/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_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 03:37:45,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 03:37:45,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 03:37:45,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 03:37:45,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 03:37:45,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 03:37:45,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 03:37:45,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 03:37:45,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 03:37:45,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 03:37:45,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 03:37:45,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 03:37:45,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 03:37:45,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 03:37:45,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 03:37:45,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 03:37:45,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 03:37:45,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 03:37:45,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 03:37:45,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 03:37:45,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 03:37:45,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 03:37:45,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 03:37:45,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 03:37:45,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 03:37:45,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 03:37:45,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 03:37:45,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 03:37:45,955 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 03:37:46,002 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 03:37:46,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 03:37:46,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 03:37:46,007 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 03:37:46,007 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 03:37:46,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 03:37:46,008 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 03:37:46,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 03:37:46,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 03:37:46,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 03:37:46,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 03:37:46,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 03:37:46,010 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 03:37:46,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 03:37:46,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 03:37:46,011 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 03:37:46,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 03:37:46,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 03:37:46,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 03:37:46,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 03:37:46,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 03:37:46,012 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 03:37:46,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 03:37:46,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 03:37:46,013 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 03:37:46,013 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 03:37:46,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 03:37:46,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 03:37:46,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 03:37:46,427 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 03:37:46,428 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 03:37:46,429 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label43.c [2020-12-23 03:37:46,512 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4ec551fb3/ecf5c98eff0a458395801297f19c133f/FLAG7a447aaf1 [2020-12-23 03:37:47,349 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 03:37:47,350 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label43.c [2020-12-23 03:37:47,377 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4ec551fb3/ecf5c98eff0a458395801297f19c133f/FLAG7a447aaf1 [2020-12-23 03:37:47,577 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4ec551fb3/ecf5c98eff0a458395801297f19c133f [2020-12-23 03:37:47,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 03:37:47,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 03:37:47,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 03:37:47,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 03:37:47,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 03:37:47,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 03:37:47" (1/1) ... [2020-12-23 03:37:47,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a3827c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:37:47, skipping insertion in model container [2020-12-23 03:37:47,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 03:37:47" (1/1) ... [2020-12-23 03:37:47,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 03:37:47,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 03:37:47,828 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_label43.c[4120,4133] 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,] [2020-12-23 03:37:48,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 03:37:48,062 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 03:37:48,084 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_label43.c[4120,4133] 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,] [2020-12-23 03:37:48,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 03:37:48,189 INFO L208 MainTranslator]: Completed translation [2020-12-23 03:37:48,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:37:48 WrapperNode [2020-12-23 03:37:48,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 03:37:48,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 03:37:48,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 03:37:48,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 03:37:48,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:37:48" (1/1) ... [2020-12-23 03:37:48,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:37:48" (1/1) ... [2020-12-23 03:37:48,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 03:37:48,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 03:37:48,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 03:37:48,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 03:37:48,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:37:48" (1/1) ... [2020-12-23 03:37:48,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:37:48" (1/1) ... [2020-12-23 03:37:48,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:37:48" (1/1) ... [2020-12-23 03:37:48,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:37:48" (1/1) ... [2020-12-23 03:37:48,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:37:48" (1/1) ... [2020-12-23 03:37:48,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:37:48" (1/1) ... [2020-12-23 03:37:48,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:37:48" (1/1) ... [2020-12-23 03:37:48,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 03:37:48,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 03:37:48,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 03:37:48,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 03:37:48,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:37:48" (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 [2020-12-23 03:37:48,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 03:37:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 03:37:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 03:37:48,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 03:37:50,057 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 03:37:50,058 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-23 03:37:50,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:37:50 BoogieIcfgContainer [2020-12-23 03:37:50,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 03:37:50,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 03:37:50,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 03:37:50,065 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 03:37:50,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 03:37:47" (1/3) ... [2020-12-23 03:37:50,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@761c8a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 03:37:50, skipping insertion in model container [2020-12-23 03:37:50,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:37:48" (2/3) ... [2020-12-23 03:37:50,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@761c8a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 03:37:50, skipping insertion in model container [2020-12-23 03:37:50,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:37:50" (3/3) ... [2020-12-23 03:37:50,069 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label43.c [2020-12-23 03:37:50,075 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 03:37:50,081 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 03:37:50,099 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 03:37:50,128 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 03:37:50,128 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 03:37:50,128 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 03:37:50,128 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 03:37:50,128 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 03:37:50,128 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 03:37:50,129 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 03:37:50,129 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 03:37:50,148 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-12-23 03:37:50,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-23 03:37:50,156 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:37:50,157 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] [2020-12-23 03:37:50,157 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:37:50,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:37:50,163 INFO L82 PathProgramCache]: Analyzing trace with hash -596708735, now seen corresponding path program 1 times [2020-12-23 03:37:50,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:37:50,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841877489] [2020-12-23 03:37:50,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:37:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:37:50,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:37:50,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841877489] [2020-12-23 03:37:50,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:37:50,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 03:37:50,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093052507] [2020-12-23 03:37:50,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:37:50,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:37:50,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:37:50,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:37:50,512 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2020-12-23 03:37:51,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:37:51,606 INFO L93 Difference]: Finished difference Result 567 states and 981 transitions. [2020-12-23 03:37:51,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:37:51,608 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-12-23 03:37:51,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:37:51,624 INFO L225 Difference]: With dead ends: 567 [2020-12-23 03:37:51,624 INFO L226 Difference]: Without dead ends: 282 [2020-12-23 03:37:51,629 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 [2020-12-23 03:37:51,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-12-23 03:37:51,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-12-23 03:37:51,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-12-23 03:37:51,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2020-12-23 03:37:51,690 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 35 [2020-12-23 03:37:51,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:37:51,690 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2020-12-23 03:37:51,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:37:51,691 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2020-12-23 03:37:51,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-23 03:37:51,695 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:37:51,695 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:37:51,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 03:37:51,696 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:37:51,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:37:51,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1471986796, now seen corresponding path program 1 times [2020-12-23 03:37:51,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:37:51,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54681180] [2020-12-23 03:37:51,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:37:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:37:52,015 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:37:52,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54681180] [2020-12-23 03:37:52,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587936467] [2020-12-23 03:37:52,016 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 [2020-12-23 03:37:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:37:52,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 03:37:52,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 03:37:52,281 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-12-23 03:37:52,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 03:37:52,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-12-23 03:37:52,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008822897] [2020-12-23 03:37:52,284 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:37:52,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:37:52,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:37:52,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 03:37:52,285 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 3 states. [2020-12-23 03:37:52,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:37:52,898 INFO L93 Difference]: Finished difference Result 562 states and 862 transitions. [2020-12-23 03:37:52,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:37:52,899 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2020-12-23 03:37:52,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:37:52,904 INFO L225 Difference]: With dead ends: 562 [2020-12-23 03:37:52,904 INFO L226 Difference]: Without dead ends: 560 [2020-12-23 03:37:52,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 03:37:52,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-12-23 03:37:52,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 282. [2020-12-23 03:37:52,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-12-23 03:37:52,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2020-12-23 03:37:52,927 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 101 [2020-12-23 03:37:52,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:37:52,927 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2020-12-23 03:37:52,927 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:37:52,928 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2020-12-23 03:37:52,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-23 03:37:52,931 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:37:52,932 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:37:53,147 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-23 03:37:53,148 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:37:53,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:37:53,150 INFO L82 PathProgramCache]: Analyzing trace with hash -901811527, now seen corresponding path program 1 times [2020-12-23 03:37:53,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:37:53,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091849431] [2020-12-23 03:37:53,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:37:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:37:53,274 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:37:53,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091849431] [2020-12-23 03:37:53,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:37:53,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 03:37:53,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159013124] [2020-12-23 03:37:53,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:37:53,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:37:53,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:37:53,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:37:53,279 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 3 states. [2020-12-23 03:37:53,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:37:53,953 INFO L93 Difference]: Finished difference Result 701 states and 1076 transitions. [2020-12-23 03:37:53,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:37:53,955 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2020-12-23 03:37:53,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:37:53,958 INFO L225 Difference]: With dead ends: 701 [2020-12-23 03:37:53,958 INFO L226 Difference]: Without dead ends: 421 [2020-12-23 03:37:53,960 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 [2020-12-23 03:37:53,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-12-23 03:37:53,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2020-12-23 03:37:53,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-12-23 03:37:53,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 606 transitions. [2020-12-23 03:37:53,979 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 606 transitions. Word has length 104 [2020-12-23 03:37:53,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:37:53,979 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 606 transitions. [2020-12-23 03:37:53,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:37:53,980 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 606 transitions. [2020-12-23 03:37:53,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-12-23 03:37:53,983 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:37:53,983 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:37:53,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 03:37:53,984 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:37:53,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:37:53,984 INFO L82 PathProgramCache]: Analyzing trace with hash 523684128, now seen corresponding path program 1 times [2020-12-23 03:37:53,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:37:53,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44605556] [2020-12-23 03:37:53,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:37:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:37:54,195 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:37:54,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44605556] [2020-12-23 03:37:54,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:37:54,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 03:37:54,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806754279] [2020-12-23 03:37:54,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:37:54,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:37:54,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:37:54,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:37:54,201 INFO L87 Difference]: Start difference. First operand 421 states and 606 transitions. Second operand 3 states. [2020-12-23 03:37:54,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:37:54,932 INFO L93 Difference]: Finished difference Result 1118 states and 1639 transitions. [2020-12-23 03:37:54,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:37:54,933 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2020-12-23 03:37:54,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:37:54,944 INFO L225 Difference]: With dead ends: 1118 [2020-12-23 03:37:54,944 INFO L226 Difference]: Without dead ends: 699 [2020-12-23 03:37:54,946 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 [2020-12-23 03:37:54,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-12-23 03:37:54,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 560. [2020-12-23 03:37:54,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-12-23 03:37:54,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 740 transitions. [2020-12-23 03:37:54,990 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 740 transitions. Word has length 157 [2020-12-23 03:37:54,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:37:54,990 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 740 transitions. [2020-12-23 03:37:54,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:37:54,991 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 740 transitions. [2020-12-23 03:37:54,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-12-23 03:37:54,995 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:37:54,995 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, 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] [2020-12-23 03:37:54,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 03:37:54,995 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:37:54,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:37:54,996 INFO L82 PathProgramCache]: Analyzing trace with hash 438627718, now seen corresponding path program 1 times [2020-12-23 03:37:54,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:37:54,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722286480] [2020-12-23 03:37:54,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:37:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:37:55,122 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-12-23 03:37:55,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722286480] [2020-12-23 03:37:55,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:37:55,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 03:37:55,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317161264] [2020-12-23 03:37:55,124 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:37:55,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:37:55,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:37:55,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:37:55,125 INFO L87 Difference]: Start difference. First operand 560 states and 740 transitions. Second operand 3 states. [2020-12-23 03:37:55,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:37:55,814 INFO L93 Difference]: Finished difference Result 1257 states and 1702 transitions. [2020-12-23 03:37:55,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:37:55,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2020-12-23 03:37:55,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:37:55,821 INFO L225 Difference]: With dead ends: 1257 [2020-12-23 03:37:55,821 INFO L226 Difference]: Without dead ends: 838 [2020-12-23 03:37:55,822 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 [2020-12-23 03:37:55,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-12-23 03:37:55,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2020-12-23 03:37:55,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-12-23 03:37:55,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1048 transitions. [2020-12-23 03:37:55,844 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1048 transitions. Word has length 170 [2020-12-23 03:37:55,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:37:55,844 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1048 transitions. [2020-12-23 03:37:55,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:37:55,845 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1048 transitions. [2020-12-23 03:37:55,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-12-23 03:37:55,850 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:37:55,850 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, 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] [2020-12-23 03:37:55,850 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 03:37:55,850 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:37:55,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:37:55,851 INFO L82 PathProgramCache]: Analyzing trace with hash 232330245, now seen corresponding path program 1 times [2020-12-23 03:37:55,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:37:55,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679840871] [2020-12-23 03:37:55,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:37:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:37:56,008 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:37:56,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679840871] [2020-12-23 03:37:56,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:37:56,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:37:56,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916156132] [2020-12-23 03:37:56,011 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:37:56,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:37:56,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:37:56,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:37:56,013 INFO L87 Difference]: Start difference. First operand 838 states and 1048 transitions. Second operand 3 states. [2020-12-23 03:37:56,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:37:56,598 INFO L93 Difference]: Finished difference Result 1813 states and 2329 transitions. [2020-12-23 03:37:56,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:37:56,598 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 179 [2020-12-23 03:37:56,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:37:56,605 INFO L225 Difference]: With dead ends: 1813 [2020-12-23 03:37:56,605 INFO L226 Difference]: Without dead ends: 1116 [2020-12-23 03:37:56,606 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 [2020-12-23 03:37:56,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2020-12-23 03:37:56,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 977. [2020-12-23 03:37:56,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-12-23 03:37:56,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1197 transitions. [2020-12-23 03:37:56,633 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1197 transitions. Word has length 179 [2020-12-23 03:37:56,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:37:56,634 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1197 transitions. [2020-12-23 03:37:56,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:37:56,638 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1197 transitions. [2020-12-23 03:37:56,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-12-23 03:37:56,642 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:37:56,642 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, 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] [2020-12-23 03:37:56,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 03:37:56,643 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:37:56,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:37:56,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1453663833, now seen corresponding path program 1 times [2020-12-23 03:37:56,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:37:56,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168007602] [2020-12-23 03:37:56,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:37:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:37:57,122 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:37:57,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168007602] [2020-12-23 03:37:57,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:37:57,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 03:37:57,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653254501] [2020-12-23 03:37:57,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 03:37:57,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:37:57,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 03:37:57,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-23 03:37:57,127 INFO L87 Difference]: Start difference. First operand 977 states and 1197 transitions. Second operand 7 states. [2020-12-23 03:37:58,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:37:58,001 INFO L93 Difference]: Finished difference Result 1868 states and 2303 transitions. [2020-12-23 03:37:58,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 03:37:58,002 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 188 [2020-12-23 03:37:58,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:37:58,007 INFO L225 Difference]: With dead ends: 1868 [2020-12-23 03:37:58,007 INFO L226 Difference]: Without dead ends: 977 [2020-12-23 03:37:58,009 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-23 03:37:58,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-12-23 03:37:58,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2020-12-23 03:37:58,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-12-23 03:37:58,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1191 transitions. [2020-12-23 03:37:58,033 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1191 transitions. Word has length 188 [2020-12-23 03:37:58,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:37:58,033 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1191 transitions. [2020-12-23 03:37:58,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 03:37:58,034 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1191 transitions. [2020-12-23 03:37:58,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-12-23 03:37:58,037 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:37:58,038 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:37:58,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 03:37:58,038 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:37:58,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:37:58,039 INFO L82 PathProgramCache]: Analyzing trace with hash -2042265101, now seen corresponding path program 1 times [2020-12-23 03:37:58,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:37:58,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026376803] [2020-12-23 03:37:58,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:37:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:37:58,224 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:37:58,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026376803] [2020-12-23 03:37:58,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:37:58,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:37:58,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513606496] [2020-12-23 03:37:58,226 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:37:58,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:37:58,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:37:58,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:37:58,227 INFO L87 Difference]: Start difference. First operand 977 states and 1191 transitions. Second operand 3 states. [2020-12-23 03:37:58,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:37:58,820 INFO L93 Difference]: Finished difference Result 2091 states and 2614 transitions. [2020-12-23 03:37:58,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:37:58,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2020-12-23 03:37:58,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:37:58,827 INFO L225 Difference]: With dead ends: 2091 [2020-12-23 03:37:58,827 INFO L226 Difference]: Without dead ends: 1255 [2020-12-23 03:37:58,829 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 [2020-12-23 03:37:58,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2020-12-23 03:37:58,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2020-12-23 03:37:58,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-12-23 03:37:58,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1461 transitions. [2020-12-23 03:37:58,857 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1461 transitions. Word has length 224 [2020-12-23 03:37:58,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:37:58,858 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1461 transitions. [2020-12-23 03:37:58,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:37:58,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1461 transitions. [2020-12-23 03:37:58,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2020-12-23 03:37:58,863 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:37:58,864 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, 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, 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] [2020-12-23 03:37:58,864 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 03:37:58,864 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:37:58,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:37:58,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1511951298, now seen corresponding path program 1 times [2020-12-23 03:37:58,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:37:58,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250044802] [2020-12-23 03:37:58,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:37:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:37:59,349 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 31 proven. 34 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-12-23 03:37:59,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250044802] [2020-12-23 03:37:59,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191070113] [2020-12-23 03:37:59,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 03:37:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:37:59,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 03:37:59,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 03:37:59,869 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-12-23 03:37:59,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 03:37:59,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-23 03:37:59,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851266050] [2020-12-23 03:37:59,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:37:59,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:37:59,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:37:59,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-23 03:37:59,871 INFO L87 Difference]: Start difference. First operand 1255 states and 1461 transitions. Second operand 3 states. [2020-12-23 03:38:00,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:38:00,501 INFO L93 Difference]: Finished difference Result 2647 states and 3154 transitions. [2020-12-23 03:38:00,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:38:00,501 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 283 [2020-12-23 03:38:00,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:38:00,509 INFO L225 Difference]: With dead ends: 2647 [2020-12-23 03:38:00,509 INFO L226 Difference]: Without dead ends: 1533 [2020-12-23 03:38:00,514 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-23 03:38:00,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2020-12-23 03:38:00,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1394. [2020-12-23 03:38:00,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1394 states. [2020-12-23 03:38:00,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1615 transitions. [2020-12-23 03:38:00,552 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1615 transitions. Word has length 283 [2020-12-23 03:38:00,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:38:00,552 INFO L481 AbstractCegarLoop]: Abstraction has 1394 states and 1615 transitions. [2020-12-23 03:38:00,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:38:00,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1615 transitions. [2020-12-23 03:38:00,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-12-23 03:38:00,558 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:38:00,562 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:38:00,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 03:38:00,778 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:38:00,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:38:00,780 INFO L82 PathProgramCache]: Analyzing trace with hash -438606061, now seen corresponding path program 1 times [2020-12-23 03:38:00,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:38:00,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888116068] [2020-12-23 03:38:00,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:38:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:38:00,990 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-12-23 03:38:00,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888116068] [2020-12-23 03:38:00,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:38:00,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:38:00,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482392993] [2020-12-23 03:38:00,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:38:00,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:38:00,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:38:00,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:38:00,995 INFO L87 Difference]: Start difference. First operand 1394 states and 1615 transitions. Second operand 3 states. [2020-12-23 03:38:01,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:38:01,595 INFO L93 Difference]: Finished difference Result 2647 states and 3085 transitions. [2020-12-23 03:38:01,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:38:01,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 297 [2020-12-23 03:38:01,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:38:01,604 INFO L225 Difference]: With dead ends: 2647 [2020-12-23 03:38:01,604 INFO L226 Difference]: Without dead ends: 1394 [2020-12-23 03:38:01,606 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 [2020-12-23 03:38:01,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-12-23 03:38:01,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1255. [2020-12-23 03:38:01,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-12-23 03:38:01,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1392 transitions. [2020-12-23 03:38:01,634 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1392 transitions. Word has length 297 [2020-12-23 03:38:01,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:38:01,635 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1392 transitions. [2020-12-23 03:38:01,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:38:01,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1392 transitions. [2020-12-23 03:38:01,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-12-23 03:38:01,641 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:38:01,641 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:38:01,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 03:38:01,642 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:38:01,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:38:01,644 INFO L82 PathProgramCache]: Analyzing trace with hash -671042164, now seen corresponding path program 1 times [2020-12-23 03:38:01,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:38:01,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959614455] [2020-12-23 03:38:01,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:38:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:38:01,846 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2020-12-23 03:38:01,846 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959614455] [2020-12-23 03:38:01,846 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:38:01,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:38:01,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937706918] [2020-12-23 03:38:01,847 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:38:01,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:38:01,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:38:01,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:38:01,848 INFO L87 Difference]: Start difference. First operand 1255 states and 1392 transitions. Second operand 3 states. [2020-12-23 03:38:02,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:38:02,457 INFO L93 Difference]: Finished difference Result 3062 states and 3397 transitions. [2020-12-23 03:38:02,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:38:02,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 307 [2020-12-23 03:38:02,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:38:02,463 INFO L225 Difference]: With dead ends: 3062 [2020-12-23 03:38:02,463 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 03:38:02,467 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 [2020-12-23 03:38:02,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 03:38:02,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 03:38:02,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 03:38:02,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 03:38:02,468 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 307 [2020-12-23 03:38:02,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:38:02,469 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 03:38:02,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:38:02,469 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 03:38:02,469 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 03:38:02,471 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 03:38:02,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 03:38:02,649 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2020-12-23 03:38:02,770 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2020-12-23 03:38:02,794 INFO L189 CegarLoopUtils]: For program point L597(line 597) no Hoare annotation was computed. [2020-12-23 03:38:02,795 INFO L189 CegarLoopUtils]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-12-23 03:38:02,795 INFO L189 CegarLoopUtils]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-12-23 03:38:02,795 INFO L189 CegarLoopUtils]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-12-23 03:38:02,795 INFO L189 CegarLoopUtils]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-12-23 03:38:02,796 INFO L189 CegarLoopUtils]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-12-23 03:38:02,796 INFO L189 CegarLoopUtils]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,796 INFO L189 CegarLoopUtils]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,796 INFO L189 CegarLoopUtils]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,796 INFO L189 CegarLoopUtils]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,796 INFO L189 CegarLoopUtils]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,796 INFO L189 CegarLoopUtils]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,796 INFO L189 CegarLoopUtils]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-12-23 03:38:02,796 INFO L189 CegarLoopUtils]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-23 03:38:02,797 INFO L189 CegarLoopUtils]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-23 03:38:02,797 INFO L189 CegarLoopUtils]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-23 03:38:02,797 INFO L189 CegarLoopUtils]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-23 03:38:02,802 INFO L189 CegarLoopUtils]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-23 03:38:02,802 INFO L189 CegarLoopUtils]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-23 03:38:02,802 INFO L189 CegarLoopUtils]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-12-23 03:38:02,802 INFO L189 CegarLoopUtils]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-12-23 03:38:02,803 INFO L189 CegarLoopUtils]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-12-23 03:38:02,803 INFO L189 CegarLoopUtils]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-12-23 03:38:02,803 INFO L189 CegarLoopUtils]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-12-23 03:38:02,803 INFO L189 CegarLoopUtils]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-12-23 03:38:02,803 INFO L189 CegarLoopUtils]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,803 INFO L189 CegarLoopUtils]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,803 INFO L189 CegarLoopUtils]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,803 INFO L189 CegarLoopUtils]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,803 INFO L189 CegarLoopUtils]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,804 INFO L189 CegarLoopUtils]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,804 INFO L189 CegarLoopUtils]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-12-23 03:38:02,804 INFO L189 CegarLoopUtils]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-12-23 03:38:02,804 INFO L189 CegarLoopUtils]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-12-23 03:38:02,804 INFO L189 CegarLoopUtils]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-23 03:38:02,804 INFO L189 CegarLoopUtils]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-23 03:38:02,804 INFO L189 CegarLoopUtils]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-23 03:38:02,804 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-23 03:38:02,804 INFO L189 CegarLoopUtils]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-23 03:38:02,805 INFO L189 CegarLoopUtils]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-23 03:38:02,805 INFO L189 CegarLoopUtils]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-12-23 03:38:02,805 INFO L189 CegarLoopUtils]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-12-23 03:38:02,805 INFO L189 CegarLoopUtils]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-12-23 03:38:02,805 INFO L189 CegarLoopUtils]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,805 INFO L189 CegarLoopUtils]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,805 INFO L189 CegarLoopUtils]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,805 INFO L189 CegarLoopUtils]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,805 INFO L189 CegarLoopUtils]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,806 INFO L189 CegarLoopUtils]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,806 INFO L189 CegarLoopUtils]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-12-23 03:38:02,806 INFO L189 CegarLoopUtils]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-12-23 03:38:02,806 INFO L189 CegarLoopUtils]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-12-23 03:38:02,806 INFO L189 CegarLoopUtils]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-23 03:38:02,806 INFO L189 CegarLoopUtils]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-23 03:38:02,806 INFO L189 CegarLoopUtils]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-23 03:38:02,806 INFO L189 CegarLoopUtils]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-23 03:38:02,806 INFO L189 CegarLoopUtils]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-23 03:38:02,807 INFO L189 CegarLoopUtils]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-23 03:38:02,807 INFO L189 CegarLoopUtils]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-12-23 03:38:02,807 INFO L189 CegarLoopUtils]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-12-23 03:38:02,807 INFO L189 CegarLoopUtils]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-12-23 03:38:02,807 INFO L189 CegarLoopUtils]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-12-23 03:38:02,807 INFO L189 CegarLoopUtils]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,807 INFO L189 CegarLoopUtils]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,807 INFO L189 CegarLoopUtils]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,807 INFO L189 CegarLoopUtils]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,808 INFO L189 CegarLoopUtils]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,808 INFO L189 CegarLoopUtils]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,808 INFO L189 CegarLoopUtils]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-12-23 03:38:02,808 INFO L189 CegarLoopUtils]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-12-23 03:38:02,808 INFO L189 CegarLoopUtils]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-23 03:38:02,808 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-23 03:38:02,808 INFO L189 CegarLoopUtils]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-23 03:38:02,808 INFO L189 CegarLoopUtils]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-23 03:38:02,808 INFO L189 CegarLoopUtils]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-23 03:38:02,809 INFO L189 CegarLoopUtils]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-23 03:38:02,809 INFO L189 CegarLoopUtils]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-12-23 03:38:02,809 INFO L189 CegarLoopUtils]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-12-23 03:38:02,809 INFO L189 CegarLoopUtils]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-12-23 03:38:02,809 INFO L189 CegarLoopUtils]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,809 INFO L189 CegarLoopUtils]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,809 INFO L189 CegarLoopUtils]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,809 INFO L189 CegarLoopUtils]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,809 INFO L189 CegarLoopUtils]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,810 INFO L189 CegarLoopUtils]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-12-23 03:38:02,810 INFO L189 CegarLoopUtils]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-12-23 03:38:02,810 INFO L189 CegarLoopUtils]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-12-23 03:38:02,810 INFO L189 CegarLoopUtils]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-12-23 03:38:02,810 INFO L189 CegarLoopUtils]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-23 03:38:02,810 INFO L189 CegarLoopUtils]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-23 03:38:02,810 INFO L189 CegarLoopUtils]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-23 03:38:02,810 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-23 03:38:02,810 INFO L189 CegarLoopUtils]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-23 03:38:02,810 INFO L189 CegarLoopUtils]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-12-23 03:38:02,811 INFO L189 CegarLoopUtils]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-12-23 03:38:02,811 INFO L189 CegarLoopUtils]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-12-23 03:38:02,811 INFO L189 CegarLoopUtils]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-12-23 03:38:02,811 INFO L189 CegarLoopUtils]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-12-23 03:38:02,811 INFO L189 CegarLoopUtils]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,811 INFO L189 CegarLoopUtils]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,811 INFO L189 CegarLoopUtils]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,811 INFO L189 CegarLoopUtils]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,811 INFO L189 CegarLoopUtils]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,811 INFO L189 CegarLoopUtils]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-12-23 03:38:02,812 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 03:38:02,812 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-23 03:38:02,812 INFO L189 CegarLoopUtils]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-23 03:38:02,812 INFO L189 CegarLoopUtils]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-23 03:38:02,812 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-23 03:38:02,812 INFO L189 CegarLoopUtils]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-23 03:38:02,813 INFO L185 CegarLoopUtils]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse3 (<= ~a19~0 9)) (.cse0 (= ~a10~0 1)) (.cse1 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0))) (or (and .cse0 (<= ~a19~0 7) .cse1 .cse2) (and .cse1 (<= 4 ~a10~0) .cse2 .cse3) (and .cse1 (= ~a10~0 2) .cse2 .cse3) (and (= ~a10~0 3) .cse1 .cse2 .cse3) (and .cse1 (= ~a10~0 0) .cse2) (and .cse0 .cse1 (or (<= 23 ~a1~0) (<= 9 ~a19~0)) .cse2))) [2020-12-23 03:38:02,813 INFO L189 CegarLoopUtils]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-12-23 03:38:02,813 INFO L189 CegarLoopUtils]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-12-23 03:38:02,813 INFO L189 CegarLoopUtils]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-12-23 03:38:02,813 INFO L189 CegarLoopUtils]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-12-23 03:38:02,813 INFO L189 CegarLoopUtils]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,813 INFO L189 CegarLoopUtils]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,814 INFO L189 CegarLoopUtils]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,814 INFO L189 CegarLoopUtils]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,814 INFO L189 CegarLoopUtils]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,814 INFO L189 CegarLoopUtils]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-12-23 03:38:02,814 INFO L189 CegarLoopUtils]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-12-23 03:38:02,814 INFO L189 CegarLoopUtils]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-12-23 03:38:02,814 INFO L189 CegarLoopUtils]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-23 03:38:02,814 INFO L189 CegarLoopUtils]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-23 03:38:02,814 INFO L189 CegarLoopUtils]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-23 03:38:02,815 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-23 03:38:02,815 INFO L189 CegarLoopUtils]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-23 03:38:02,815 INFO L189 CegarLoopUtils]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-12-23 03:38:02,815 INFO L189 CegarLoopUtils]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-12-23 03:38:02,815 INFO L192 CegarLoopUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-12-23 03:38:02,815 INFO L189 CegarLoopUtils]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-12-23 03:38:02,815 INFO L189 CegarLoopUtils]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-12-23 03:38:02,815 INFO L189 CegarLoopUtils]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-12-23 03:38:02,815 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 03:38:02,815 INFO L189 CegarLoopUtils]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,816 INFO L189 CegarLoopUtils]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,816 INFO L189 CegarLoopUtils]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,816 INFO L189 CegarLoopUtils]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,816 INFO L189 CegarLoopUtils]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,816 INFO L189 CegarLoopUtils]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-23 03:38:02,816 INFO L189 CegarLoopUtils]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-23 03:38:02,816 INFO L189 CegarLoopUtils]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-23 03:38:02,816 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-23 03:38:02,816 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-23 03:38:02,816 INFO L189 CegarLoopUtils]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-12-23 03:38:02,817 INFO L189 CegarLoopUtils]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-12-23 03:38:02,817 INFO L189 CegarLoopUtils]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-12-23 03:38:02,817 INFO L189 CegarLoopUtils]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-12-23 03:38:02,817 INFO L189 CegarLoopUtils]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,817 INFO L189 CegarLoopUtils]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,817 INFO L189 CegarLoopUtils]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,817 INFO L189 CegarLoopUtils]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,817 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 03:38:02,817 INFO L189 CegarLoopUtils]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,817 INFO L189 CegarLoopUtils]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-12-23 03:38:02,818 INFO L189 CegarLoopUtils]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-12-23 03:38:02,818 INFO L189 CegarLoopUtils]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-12-23 03:38:02,818 INFO L189 CegarLoopUtils]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-12-23 03:38:02,818 INFO L189 CegarLoopUtils]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-23 03:38:02,818 INFO L189 CegarLoopUtils]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-23 03:38:02,818 INFO L189 CegarLoopUtils]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-23 03:38:02,818 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-23 03:38:02,818 INFO L189 CegarLoopUtils]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-23 03:38:02,818 INFO L189 CegarLoopUtils]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-12-23 03:38:02,818 INFO L189 CegarLoopUtils]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-12-23 03:38:02,819 INFO L189 CegarLoopUtils]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-12-23 03:38:02,819 INFO L185 CegarLoopUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse3 (<= ~a19~0 9)) (.cse0 (= ~a10~0 1)) (.cse1 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0))) (or (and .cse0 (<= ~a19~0 7) .cse1 .cse2) (and .cse1 (<= 4 ~a10~0) .cse2 .cse3) (and .cse1 (= ~a10~0 2) .cse2 .cse3) (and (= ~a10~0 3) .cse1 .cse2 .cse3) (and .cse1 (= ~a10~0 0) .cse2) (and .cse0 .cse1 (or (<= 23 ~a1~0) (<= 9 ~a19~0)) .cse2))) [2020-12-23 03:38:02,819 INFO L189 CegarLoopUtils]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-12-23 03:38:02,819 INFO L189 CegarLoopUtils]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,819 INFO L189 CegarLoopUtils]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,819 INFO L189 CegarLoopUtils]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,819 INFO L189 CegarLoopUtils]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,820 INFO L189 CegarLoopUtils]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-23 03:38:02,820 INFO L189 CegarLoopUtils]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,820 INFO L189 CegarLoopUtils]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,820 INFO L189 CegarLoopUtils]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-12-23 03:38:02,820 INFO L189 CegarLoopUtils]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-12-23 03:38:02,820 INFO L189 CegarLoopUtils]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-12-23 03:38:02,820 INFO L189 CegarLoopUtils]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-23 03:38:02,820 INFO L189 CegarLoopUtils]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-23 03:38:02,820 INFO L189 CegarLoopUtils]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-23 03:38:02,820 INFO L189 CegarLoopUtils]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-23 03:38:02,821 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-23 03:38:02,821 INFO L189 CegarLoopUtils]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-23 03:38:02,821 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 03:38:02,821 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 119) no Hoare annotation was computed. [2020-12-23 03:38:02,821 INFO L189 CegarLoopUtils]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-12-23 03:38:02,821 INFO L189 CegarLoopUtils]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-12-23 03:38:02,821 INFO L189 CegarLoopUtils]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-12-23 03:38:02,821 INFO L189 CegarLoopUtils]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-12-23 03:38:02,822 INFO L189 CegarLoopUtils]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,822 INFO L189 CegarLoopUtils]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,822 INFO L189 CegarLoopUtils]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,822 INFO L189 CegarLoopUtils]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,822 INFO L189 CegarLoopUtils]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,822 INFO L189 CegarLoopUtils]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:02,822 INFO L189 CegarLoopUtils]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-12-23 03:38:02,822 INFO L189 CegarLoopUtils]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-12-23 03:38:02,822 INFO L189 CegarLoopUtils]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-12-23 03:38:02,822 INFO L189 CegarLoopUtils]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-23 03:38:02,823 INFO L189 CegarLoopUtils]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-23 03:38:02,823 INFO L189 CegarLoopUtils]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-23 03:38:02,823 INFO L189 CegarLoopUtils]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-23 03:38:02,823 INFO L189 CegarLoopUtils]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-23 03:38:02,823 INFO L189 CegarLoopUtils]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-23 03:38:02,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 03:38:02 BoogieIcfgContainer [2020-12-23 03:38:02,846 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 03:38:02,847 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 03:38:02,847 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 03:38:02,847 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 03:38:02,848 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:37:50" (3/4) ... [2020-12-23 03:38:02,851 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 03:38:02,872 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-23 03:38:02,873 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-23 03:38:02,874 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 03:38:02,875 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 03:38:03,008 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem10_label43.c-witness.graphml [2020-12-23 03:38:03,008 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 03:38:03,009 INFO L168 Benchmark]: Toolchain (without parser) took 15427.14 ms. Allocated memory was 152.0 MB in the beginning and 343.9 MB in the end (delta: 191.9 MB). Free memory was 126.2 MB in the beginning and 214.6 MB in the end (delta: -88.5 MB). Peak memory consumption was 104.2 MB. Max. memory is 8.0 GB. [2020-12-23 03:38:03,009 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 152.0 MB. Free memory is still 129.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 03:38:03,010 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.38 ms. Allocated memory is still 152.0 MB. Free memory was 126.0 MB in the beginning and 99.1 MB in the end (delta: 26.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2020-12-23 03:38:03,010 INFO L168 Benchmark]: Boogie Procedure Inliner took 187.57 ms. Allocated memory is still 152.0 MB. Free memory was 98.9 MB in the beginning and 126.8 MB in the end (delta: -27.9 MB). Peak memory consumption was 4.5 MB. Max. memory is 8.0 GB. [2020-12-23 03:38:03,010 INFO L168 Benchmark]: Boogie Preprocessor took 145.53 ms. Allocated memory is still 152.0 MB. Free memory was 126.8 MB in the beginning and 121.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-23 03:38:03,011 INFO L168 Benchmark]: RCFGBuilder took 1529.59 ms. Allocated memory is still 152.0 MB. Free memory was 121.5 MB in the beginning and 85.5 MB in the end (delta: 36.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 8.0 GB. [2020-12-23 03:38:03,011 INFO L168 Benchmark]: TraceAbstraction took 12784.57 ms. Allocated memory was 152.0 MB in the beginning and 343.9 MB in the end (delta: 191.9 MB). Free memory was 85.0 MB in the beginning and 230.0 MB in the end (delta: -145.0 MB). Peak memory consumption was 46.3 MB. Max. memory is 8.0 GB. [2020-12-23 03:38:03,012 INFO L168 Benchmark]: Witness Printer took 161.26 ms. Allocated memory is still 343.9 MB. Free memory was 230.0 MB in the beginning and 214.6 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2020-12-23 03:38:03,014 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 152.0 MB. Free memory is still 129.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 609.38 ms. Allocated memory is still 152.0 MB. Free memory was 126.0 MB in the beginning and 99.1 MB in the end (delta: 26.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 187.57 ms. Allocated memory is still 152.0 MB. Free memory was 98.9 MB in the beginning and 126.8 MB in the end (delta: -27.9 MB). Peak memory consumption was 4.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 145.53 ms. Allocated memory is still 152.0 MB. Free memory was 126.8 MB in the beginning and 121.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1529.59 ms. Allocated memory is still 152.0 MB. Free memory was 121.5 MB in the beginning and 85.5 MB in the end (delta: 36.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 12784.57 ms. Allocated memory was 152.0 MB in the beginning and 343.9 MB in the end (delta: 191.9 MB). Free memory was 85.0 MB in the beginning and 230.0 MB in the end (delta: -145.0 MB). Peak memory consumption was 46.3 MB. Max. memory is 8.0 GB. * Witness Printer took 161.26 ms. Allocated memory is still 343.9 MB. Free memory was 230.0 MB in the beginning and 214.6 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 119]: 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: (((((((a10 == 1 && a19 <= 7) && 14 == a4) && a12 == 0) || (((14 == a4 && 4 <= a10) && a12 == 0) && a19 <= 9)) || (((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9)) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || ((14 == a4 && a10 == 0) && a12 == 0)) || (((a10 == 1 && 14 == a4) && (23 <= a1 || 9 <= a19)) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((a10 == 1 && a19 <= 7) && 14 == a4) && a12 == 0) || (((14 == a4 && 4 <= a10) && a12 == 0) && a19 <= 9)) || (((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9)) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 <= 9)) || ((14 == a4 && a10 == 0) && a12 == 0)) || (((a10 == 1 && 14 == a4) && (23 <= a1 || 9 <= a19)) && 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: 12.3s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 7.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1236 SDtfs, 1123 SDslu, 61 SDs, 0 SdLazy, 4417 SolverSat, 653 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 415 GetRequests, 395 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1394occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 834 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 35 NumberOfFragments, 161 HoareAnnotationTreeSize, 3 FomulaSimplifications, 838 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2429 NumberOfCodeBlocks, 2429 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2416 ConstructedInterpolants, 0 QuantifiedInterpolants, 1664636 SizeOfPredicates, 0 NumberOfNonLiveVariables, 596 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 1608/1674 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...