/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_label49.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 03:37:58,876 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 03:37:58,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 03:37:58,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 03:37:58,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 03:37:58,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 03:37:58,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 03:37:58,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 03:37:58,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 03:37:58,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 03:37:58,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 03:37:58,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 03:37:58,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 03:37:58,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 03:37:58,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 03:37:58,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 03:37:58,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 03:37:58,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 03:37:59,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 03:37:59,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 03:37:59,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 03:37:59,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 03:37:59,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 03:37:59,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 03:37:59,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 03:37:59,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 03:37:59,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 03:37:59,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 03:37:59,057 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 03:37:59,101 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 03:37:59,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 03:37:59,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 03:37:59,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 03:37:59,103 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 03:37:59,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 03:37:59,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 03:37:59,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 03:37:59,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 03:37:59,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 03:37:59,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 03:37:59,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 03:37:59,105 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 03:37:59,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 03:37:59,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 03:37:59,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 03:37:59,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 03:37:59,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 03:37:59,106 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 03:37:59,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 03:37:59,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 03:37:59,107 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 03:37:59,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 03:37:59,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 03:37:59,107 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 03:37:59,108 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 03:37:59,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 03:37:59,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 03:37:59,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 03:37:59,518 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 03:37:59,519 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 03:37:59,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label49.c [2020-12-23 03:37:59,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/515a08492/aee0043614ad4a779914c9a7598dd3ea/FLAGa34f502dd [2020-12-23 03:38:00,427 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 03:38:00,428 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label49.c [2020-12-23 03:38:00,446 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/515a08492/aee0043614ad4a779914c9a7598dd3ea/FLAGa34f502dd [2020-12-23 03:38:00,710 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/515a08492/aee0043614ad4a779914c9a7598dd3ea [2020-12-23 03:38:00,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 03:38:00,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 03:38:00,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 03:38:00,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 03:38:00,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 03:38:00,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 03:38:00" (1/1) ... [2020-12-23 03:38:00,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8540251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:38:00, skipping insertion in model container [2020-12-23 03:38:00,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 03:38:00" (1/1) ... [2020-12-23 03:38:00,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 03:38:00,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 03:38:01,026 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_label49.c[2714,2727] 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 03:38:01,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 03:38:01,363 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 03:38:01,385 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_label49.c[2714,2727] 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 03:38:01,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 03:38:01,587 INFO L208 MainTranslator]: Completed translation [2020-12-23 03:38:01,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:38:01 WrapperNode [2020-12-23 03:38:01,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 03:38:01,589 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 03:38:01,590 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 03:38:01,590 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 03:38:01,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:38:01" (1/1) ... [2020-12-23 03:38:01,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:38:01" (1/1) ... [2020-12-23 03:38:01,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 03:38:01,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 03:38:01,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 03:38:01,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 03:38:01,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:38:01" (1/1) ... [2020-12-23 03:38:01,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:38:01" (1/1) ... [2020-12-23 03:38:01,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:38:01" (1/1) ... [2020-12-23 03:38:01,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:38:01" (1/1) ... [2020-12-23 03:38:01,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:38:01" (1/1) ... [2020-12-23 03:38:01,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:38:01" (1/1) ... [2020-12-23 03:38:01,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:38:01" (1/1) ... [2020-12-23 03:38:01,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 03:38:01,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 03:38:01,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 03:38:01,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 03:38:01,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:38:01" (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 03:38:01,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 03:38:01,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 03:38:01,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 03:38:01,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 03:38:03,532 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 03:38:03,533 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-23 03:38:03,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:38:03 BoogieIcfgContainer [2020-12-23 03:38:03,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 03:38:03,537 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 03:38:03,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 03:38:03,542 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 03:38:03,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 03:38:00" (1/3) ... [2020-12-23 03:38:03,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24946402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 03:38:03, skipping insertion in model container [2020-12-23 03:38:03,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:38:01" (2/3) ... [2020-12-23 03:38:03,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24946402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 03:38:03, skipping insertion in model container [2020-12-23 03:38:03,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:38:03" (3/3) ... [2020-12-23 03:38:03,546 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label49.c [2020-12-23 03:38:03,554 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 03:38:03,560 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 03:38:03,581 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 03:38:03,612 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 03:38:03,613 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 03:38:03,613 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 03:38:03,613 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 03:38:03,613 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 03:38:03,613 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 03:38:03,614 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 03:38:03,614 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 03:38:03,638 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-12-23 03:38:03,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-23 03:38:03,645 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:38:03,646 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] [2020-12-23 03:38:03,647 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:38:03,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:38:03,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1644072970, now seen corresponding path program 1 times [2020-12-23 03:38:03,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:38:03,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891852687] [2020-12-23 03:38:03,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:38:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:38:03,974 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 03:38:03,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891852687] [2020-12-23 03:38:03,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:38:03,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 03:38:03,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153403321] [2020-12-23 03:38:03,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:38:03,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:38:04,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:38:04,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:38:04,013 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2020-12-23 03:38:05,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:38:05,191 INFO L93 Difference]: Finished difference Result 567 states and 981 transitions. [2020-12-23 03:38:05,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:38:05,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-12-23 03:38:05,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:38:05,217 INFO L225 Difference]: With dead ends: 567 [2020-12-23 03:38:05,217 INFO L226 Difference]: Without dead ends: 282 [2020-12-23 03:38:05,223 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 03:38:05,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-12-23 03:38:05,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2020-12-23 03:38:05,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-12-23 03:38:05,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 412 transitions. [2020-12-23 03:38:05,300 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 412 transitions. Word has length 22 [2020-12-23 03:38:05,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:38:05,301 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 412 transitions. [2020-12-23 03:38:05,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:38:05,301 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 412 transitions. [2020-12-23 03:38:05,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-23 03:38:05,308 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:38:05,308 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-23 03:38:05,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 03:38:05,309 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:38:05,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:38:05,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1186072980, now seen corresponding path program 1 times [2020-12-23 03:38:05,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:38:05,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336935488] [2020-12-23 03:38:05,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:38:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:38:05,511 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:38:05,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336935488] [2020-12-23 03:38:05,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:38:05,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 03:38:05,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668868615] [2020-12-23 03:38:05,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:38:05,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:38:05,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:38:05,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:38:05,516 INFO L87 Difference]: Start difference. First operand 282 states and 412 transitions. Second operand 3 states. [2020-12-23 03:38:06,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:38:06,104 INFO L93 Difference]: Finished difference Result 840 states and 1231 transitions. [2020-12-23 03:38:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:38:06,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2020-12-23 03:38:06,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:38:06,112 INFO L225 Difference]: With dead ends: 840 [2020-12-23 03:38:06,113 INFO L226 Difference]: Without dead ends: 560 [2020-12-23 03:38:06,118 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 03:38:06,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-12-23 03:38:06,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2020-12-23 03:38:06,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-12-23 03:38:06,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 730 transitions. [2020-12-23 03:38:06,184 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 730 transitions. Word has length 92 [2020-12-23 03:38:06,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:38:06,186 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 730 transitions. [2020-12-23 03:38:06,186 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:38:06,186 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 730 transitions. [2020-12-23 03:38:06,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 03:38:06,190 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:38:06,191 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-23 03:38:06,193 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 03:38:06,194 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:38:06,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:38:06,195 INFO L82 PathProgramCache]: Analyzing trace with hash -751446652, now seen corresponding path program 1 times [2020-12-23 03:38:06,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:38:06,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068217993] [2020-12-23 03:38:06,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:38:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:38:06,359 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:38:06,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068217993] [2020-12-23 03:38:06,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:38:06,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:38:06,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884538031] [2020-12-23 03:38:06,361 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:38:06,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:38:06,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:38:06,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:38:06,366 INFO L87 Difference]: Start difference. First operand 560 states and 730 transitions. Second operand 3 states. [2020-12-23 03:38:06,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:38:06,989 INFO L93 Difference]: Finished difference Result 1396 states and 1867 transitions. [2020-12-23 03:38:06,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:38:06,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-12-23 03:38:06,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:38:06,998 INFO L225 Difference]: With dead ends: 1396 [2020-12-23 03:38:06,998 INFO L226 Difference]: Without dead ends: 838 [2020-12-23 03:38:07,000 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 03:38:07,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-12-23 03:38:07,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2020-12-23 03:38:07,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2020-12-23 03:38:07,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1063 transitions. [2020-12-23 03:38:07,044 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1063 transitions. Word has length 97 [2020-12-23 03:38:07,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:38:07,045 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1063 transitions. [2020-12-23 03:38:07,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:38:07,046 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1063 transitions. [2020-12-23 03:38:07,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-12-23 03:38:07,052 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:38:07,053 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-23 03:38:07,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 03:38:07,053 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:38:07,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:38:07,057 INFO L82 PathProgramCache]: Analyzing trace with hash -549197988, now seen corresponding path program 1 times [2020-12-23 03:38:07,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:38:07,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213481448] [2020-12-23 03:38:07,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:38:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:38:07,263 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:38:07,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213481448] [2020-12-23 03:38:07,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:38:07,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 03:38:07,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865434330] [2020-12-23 03:38:07,265 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:38:07,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:38:07,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:38:07,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:38:07,266 INFO L87 Difference]: Start difference. First operand 838 states and 1063 transitions. Second operand 3 states. [2020-12-23 03:38:07,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:38:07,895 INFO L93 Difference]: Finished difference Result 2230 states and 2775 transitions. [2020-12-23 03:38:07,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:38:07,896 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-12-23 03:38:07,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:38:07,904 INFO L225 Difference]: With dead ends: 2230 [2020-12-23 03:38:07,905 INFO L226 Difference]: Without dead ends: 1394 [2020-12-23 03:38:07,907 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 03:38:07,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-12-23 03:38:07,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1255. [2020-12-23 03:38:07,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-12-23 03:38:07,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1475 transitions. [2020-12-23 03:38:07,942 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1475 transitions. Word has length 113 [2020-12-23 03:38:07,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:38:07,943 INFO L481 AbstractCegarLoop]: Abstraction has 1255 states and 1475 transitions. [2020-12-23 03:38:07,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:38:07,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1475 transitions. [2020-12-23 03:38:07,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-12-23 03:38:07,946 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:38:07,946 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-23 03:38:07,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 03:38:07,947 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:38:07,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:38:07,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1751813803, now seen corresponding path program 1 times [2020-12-23 03:38:07,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:38:07,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861067517] [2020-12-23 03:38:07,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:38:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:38:08,108 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:38:08,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861067517] [2020-12-23 03:38:08,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:38:08,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 03:38:08,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130237133] [2020-12-23 03:38:08,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:38:08,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:38:08,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:38:08,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:38:08,112 INFO L87 Difference]: Start difference. First operand 1255 states and 1475 transitions. Second operand 3 states. [2020-12-23 03:38:08,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:38:08,725 INFO L93 Difference]: Finished difference Result 2647 states and 3097 transitions. [2020-12-23 03:38:08,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:38:08,726 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2020-12-23 03:38:08,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:38:08,741 INFO L225 Difference]: With dead ends: 2647 [2020-12-23 03:38:08,741 INFO L226 Difference]: Without dead ends: 1394 [2020-12-23 03:38:08,743 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 03:38:08,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2020-12-23 03:38:08,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1394. [2020-12-23 03:38:08,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1394 states. [2020-12-23 03:38:08,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1619 transitions. [2020-12-23 03:38:08,779 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1619 transitions. Word has length 114 [2020-12-23 03:38:08,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:38:08,780 INFO L481 AbstractCegarLoop]: Abstraction has 1394 states and 1619 transitions. [2020-12-23 03:38:08,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:38:08,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1619 transitions. [2020-12-23 03:38:08,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-12-23 03:38:08,797 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:38:08,797 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:38:08,798 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 03:38:08,798 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:38:08,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:38:08,799 INFO L82 PathProgramCache]: Analyzing trace with hash 49389313, now seen corresponding path program 1 times [2020-12-23 03:38:08,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:38:08,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485192575] [2020-12-23 03:38:08,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:38:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:38:09,032 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-12-23 03:38:09,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485192575] [2020-12-23 03:38:09,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:38:09,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:38:09,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604937767] [2020-12-23 03:38:09,034 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:38:09,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:38:09,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:38:09,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:38:09,036 INFO L87 Difference]: Start difference. First operand 1394 states and 1619 transitions. Second operand 3 states. [2020-12-23 03:38:09,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:38:09,615 INFO L93 Difference]: Finished difference Result 2925 states and 3461 transitions. [2020-12-23 03:38:09,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:38:09,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2020-12-23 03:38:09,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:38:09,625 INFO L225 Difference]: With dead ends: 2925 [2020-12-23 03:38:09,626 INFO L226 Difference]: Without dead ends: 1672 [2020-12-23 03:38:09,628 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 03:38:09,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2020-12-23 03:38:09,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672. [2020-12-23 03:38:09,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2020-12-23 03:38:09,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 1922 transitions. [2020-12-23 03:38:09,665 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 1922 transitions. Word has length 180 [2020-12-23 03:38:09,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:38:09,666 INFO L481 AbstractCegarLoop]: Abstraction has 1672 states and 1922 transitions. [2020-12-23 03:38:09,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:38:09,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1922 transitions. [2020-12-23 03:38:09,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-12-23 03:38:09,669 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:38:09,669 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:38:09,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 03:38:09,670 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:38:09,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:38:09,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1975823509, now seen corresponding path program 1 times [2020-12-23 03:38:09,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:38:09,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136655916] [2020-12-23 03:38:09,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:38:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:38:10,026 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-12-23 03:38:10,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136655916] [2020-12-23 03:38:10,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20029170] [2020-12-23 03:38:10,027 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 03:38:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:38:10,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 03:38:10,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 03:38:10,594 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-23 03:38:10,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 03:38:10,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-12-23 03:38:10,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143901171] [2020-12-23 03:38:10,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:38:10,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:38:10,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:38:10,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 03:38:10,600 INFO L87 Difference]: Start difference. First operand 1672 states and 1922 transitions. Second operand 3 states. [2020-12-23 03:38:11,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:38:11,289 INFO L93 Difference]: Finished difference Result 2508 states and 2898 transitions. [2020-12-23 03:38:11,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:38:11,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2020-12-23 03:38:11,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:38:11,303 INFO L225 Difference]: With dead ends: 2508 [2020-12-23 03:38:11,303 INFO L226 Difference]: Without dead ends: 2506 [2020-12-23 03:38:11,305 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 180 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 03:38:11,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2020-12-23 03:38:11,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 1811. [2020-12-23 03:38:11,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1811 states. [2020-12-23 03:38:11,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2111 transitions. [2020-12-23 03:38:11,355 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 2111 transitions. Word has length 181 [2020-12-23 03:38:11,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:38:11,356 INFO L481 AbstractCegarLoop]: Abstraction has 1811 states and 2111 transitions. [2020-12-23 03:38:11,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:38:11,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2111 transitions. [2020-12-23 03:38:11,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-12-23 03:38:11,359 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:38:11,360 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:38:11,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-12-23 03:38:11,574 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:38:11,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:38:11,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1933258404, now seen corresponding path program 1 times [2020-12-23 03:38:11,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:38:11,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761803791] [2020-12-23 03:38:11,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:38:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:38:11,774 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:38:11,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761803791] [2020-12-23 03:38:11,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:38:11,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:38:11,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946120555] [2020-12-23 03:38:11,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:38:11,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:38:11,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:38:11,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:38:11,778 INFO L87 Difference]: Start difference. First operand 1811 states and 2111 transitions. Second operand 3 states. [2020-12-23 03:38:12,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:38:12,352 INFO L93 Difference]: Finished difference Result 3898 states and 4634 transitions. [2020-12-23 03:38:12,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:38:12,353 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 182 [2020-12-23 03:38:12,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:38:12,369 INFO L225 Difference]: With dead ends: 3898 [2020-12-23 03:38:12,369 INFO L226 Difference]: Without dead ends: 2228 [2020-12-23 03:38:12,372 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 03:38:12,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2020-12-23 03:38:12,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 2089. [2020-12-23 03:38:12,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2020-12-23 03:38:12,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2410 transitions. [2020-12-23 03:38:12,432 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2410 transitions. Word has length 182 [2020-12-23 03:38:12,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:38:12,433 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 2410 transitions. [2020-12-23 03:38:12,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:38:12,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2410 transitions. [2020-12-23 03:38:12,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-12-23 03:38:12,439 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:38:12,440 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:38:12,440 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 03:38:12,440 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:38:12,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:38:12,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1043775474, now seen corresponding path program 1 times [2020-12-23 03:38:12,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:38:12,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617360039] [2020-12-23 03:38:12,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:38:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:38:12,898 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-23 03:38:12,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617360039] [2020-12-23 03:38:12,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:38:12,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 03:38:12,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109172311] [2020-12-23 03:38:12,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 03:38:12,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:38:12,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 03:38:12,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-12-23 03:38:12,902 INFO L87 Difference]: Start difference. First operand 2089 states and 2410 transitions. Second operand 7 states. [2020-12-23 03:38:13,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:38:13,693 INFO L93 Difference]: Finished difference Result 4092 states and 4729 transitions. [2020-12-23 03:38:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 03:38:13,694 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 234 [2020-12-23 03:38:13,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:38:13,704 INFO L225 Difference]: With dead ends: 4092 [2020-12-23 03:38:13,704 INFO L226 Difference]: Without dead ends: 2089 [2020-12-23 03:38:13,707 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 03:38:13,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2020-12-23 03:38:13,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2020-12-23 03:38:13,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2020-12-23 03:38:13,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2403 transitions. [2020-12-23 03:38:13,759 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2403 transitions. Word has length 234 [2020-12-23 03:38:13,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:38:13,759 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 2403 transitions. [2020-12-23 03:38:13,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 03:38:13,760 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2403 transitions. [2020-12-23 03:38:13,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-12-23 03:38:13,765 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:38:13,765 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-23 03:38:13,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 03:38:13,766 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:38:13,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:38:13,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1440717452, now seen corresponding path program 1 times [2020-12-23 03:38:13,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:38:13,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340101019] [2020-12-23 03:38:13,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:38:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:38:14,076 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 03:38:14,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340101019] [2020-12-23 03:38:14,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:38:14,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 03:38:14,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100488887] [2020-12-23 03:38:14,083 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 03:38:14,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:38:14,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 03:38:14,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 03:38:14,087 INFO L87 Difference]: Start difference. First operand 2089 states and 2403 transitions. Second operand 4 states. [2020-12-23 03:38:15,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:38:15,021 INFO L93 Difference]: Finished difference Result 4315 states and 4989 transitions. [2020-12-23 03:38:15,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 03:38:15,022 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 270 [2020-12-23 03:38:15,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:38:15,033 INFO L225 Difference]: With dead ends: 4315 [2020-12-23 03:38:15,033 INFO L226 Difference]: Without dead ends: 2367 [2020-12-23 03:38:15,037 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 03:38:15,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2367 states. [2020-12-23 03:38:15,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2367 to 2367. [2020-12-23 03:38:15,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2367 states. [2020-12-23 03:38:15,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 2696 transitions. [2020-12-23 03:38:15,095 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 2696 transitions. Word has length 270 [2020-12-23 03:38:15,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:38:15,096 INFO L481 AbstractCegarLoop]: Abstraction has 2367 states and 2696 transitions. [2020-12-23 03:38:15,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 03:38:15,096 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2696 transitions. [2020-12-23 03:38:15,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2020-12-23 03:38:15,103 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:38:15,103 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-23 03:38:15,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 03:38:15,104 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:38:15,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:38:15,105 INFO L82 PathProgramCache]: Analyzing trace with hash -876938456, now seen corresponding path program 1 times [2020-12-23 03:38:15,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:38:15,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818239844] [2020-12-23 03:38:15,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:38:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:38:15,338 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2020-12-23 03:38:15,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818239844] [2020-12-23 03:38:15,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:38:15,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:38:15,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119837621] [2020-12-23 03:38:15,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:38:15,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:38:15,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:38:15,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:38:15,342 INFO L87 Difference]: Start difference. First operand 2367 states and 2696 transitions. Second operand 3 states. [2020-12-23 03:38:16,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:38:16,000 INFO L93 Difference]: Finished difference Result 5288 states and 6002 transitions. [2020-12-23 03:38:16,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:38:16,001 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 283 [2020-12-23 03:38:16,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:38:16,020 INFO L225 Difference]: With dead ends: 5288 [2020-12-23 03:38:16,020 INFO L226 Difference]: Without dead ends: 3062 [2020-12-23 03:38:16,025 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 03:38:16,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3062 states. [2020-12-23 03:38:16,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3062 to 2089. [2020-12-23 03:38:16,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2020-12-23 03:38:16,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2349 transitions. [2020-12-23 03:38:16,087 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2349 transitions. Word has length 283 [2020-12-23 03:38:16,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:38:16,088 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 2349 transitions. [2020-12-23 03:38:16,088 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:38:16,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2349 transitions. [2020-12-23 03:38:16,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-12-23 03:38:16,095 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:38:16,096 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-23 03:38:16,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 03:38:16,096 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:38:16,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:38:16,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1778174755, now seen corresponding path program 1 times [2020-12-23 03:38:16,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:38:16,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498547782] [2020-12-23 03:38:16,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:38:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:38:16,356 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2020-12-23 03:38:16,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498547782] [2020-12-23 03:38:16,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:38:16,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:38:16,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202181238] [2020-12-23 03:38:16,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:38:16,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:38:16,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:38:16,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:38:16,359 INFO L87 Difference]: Start difference. First operand 2089 states and 2349 transitions. Second operand 3 states. [2020-12-23 03:38:16,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:38:16,983 INFO L93 Difference]: Finished difference Result 5010 states and 5620 transitions. [2020-12-23 03:38:16,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:38:16,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 319 [2020-12-23 03:38:16,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:38:16,996 INFO L225 Difference]: With dead ends: 5010 [2020-12-23 03:38:16,996 INFO L226 Difference]: Without dead ends: 2089 [2020-12-23 03:38:17,002 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 03:38:17,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2020-12-23 03:38:17,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2020-12-23 03:38:17,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2020-12-23 03:38:17,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2336 transitions. [2020-12-23 03:38:17,077 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2336 transitions. Word has length 319 [2020-12-23 03:38:17,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:38:17,078 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 2336 transitions. [2020-12-23 03:38:17,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:38:17,078 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2336 transitions. [2020-12-23 03:38:17,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2020-12-23 03:38:17,088 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:38:17,089 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:38:17,089 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 03:38:17,089 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:38:17,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:38:17,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1701479307, now seen corresponding path program 1 times [2020-12-23 03:38:17,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:38:17,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855514661] [2020-12-23 03:38:17,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:38:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:38:17,429 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-12-23 03:38:17,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855514661] [2020-12-23 03:38:17,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 03:38:17,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 03:38:17,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492893320] [2020-12-23 03:38:17,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 03:38:17,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:38:17,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 03:38:17,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 03:38:17,433 INFO L87 Difference]: Start difference. First operand 2089 states and 2336 transitions. Second operand 3 states. [2020-12-23 03:38:17,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:38:17,989 INFO L93 Difference]: Finished difference Result 4037 states and 4527 transitions. [2020-12-23 03:38:17,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 03:38:17,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 363 [2020-12-23 03:38:17,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:38:18,003 INFO L225 Difference]: With dead ends: 4037 [2020-12-23 03:38:18,004 INFO L226 Difference]: Without dead ends: 2089 [2020-12-23 03:38:18,008 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 03:38:18,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2020-12-23 03:38:18,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2020-12-23 03:38:18,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2089 states. [2020-12-23 03:38:18,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2279 transitions. [2020-12-23 03:38:18,053 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2279 transitions. Word has length 363 [2020-12-23 03:38:18,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:38:18,054 INFO L481 AbstractCegarLoop]: Abstraction has 2089 states and 2279 transitions. [2020-12-23 03:38:18,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 03:38:18,054 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2279 transitions. [2020-12-23 03:38:18,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2020-12-23 03:38:18,064 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 03:38:18,064 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 03:38:18,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 03:38:18,065 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 03:38:18,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 03:38:18,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1115836380, now seen corresponding path program 1 times [2020-12-23 03:38:18,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 03:38:18,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126471837] [2020-12-23 03:38:18,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 03:38:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:38:18,830 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 236 proven. 35 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-12-23 03:38:18,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126471837] [2020-12-23 03:38:18,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351379744] [2020-12-23 03:38:18,830 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 03:38:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 03:38:18,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-23 03:38:18,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 03:38:20,245 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 197 proven. 74 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-12-23 03:38:20,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 03:38:20,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-12-23 03:38:20,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464364373] [2020-12-23 03:38:20,247 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 03:38:20,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 03:38:20,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 03:38:20,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-12-23 03:38:20,248 INFO L87 Difference]: Start difference. First operand 2089 states and 2279 transitions. Second operand 8 states. [2020-12-23 03:38:21,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 03:38:21,654 INFO L93 Difference]: Finished difference Result 4364 states and 4762 transitions. [2020-12-23 03:38:21,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 03:38:21,655 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 373 [2020-12-23 03:38:21,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 03:38:21,656 INFO L225 Difference]: With dead ends: 4364 [2020-12-23 03:38:21,656 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 03:38:21,661 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-12-23 03:38:21,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 03:38:21,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 03:38:21,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 03:38:21,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 03:38:21,662 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 373 [2020-12-23 03:38:21,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 03:38:21,663 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 03:38:21,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 03:38:21,663 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 03:38:21,663 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 03:38:21,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-23 03:38:21,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 03:38:22,013 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 83 [2020-12-23 03:38:22,591 WARN L197 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 47 [2020-12-23 03:38:23,070 WARN L197 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 47 [2020-12-23 03:38:23,074 INFO L189 CegarLoopUtils]: For program point L597(line 597) no Hoare annotation was computed. [2020-12-23 03:38:23,074 INFO L189 CegarLoopUtils]: For program point L564(lines 564 582) no Hoare annotation was computed. [2020-12-23 03:38:23,074 INFO L189 CegarLoopUtils]: For program point L333(lines 333 582) no Hoare annotation was computed. [2020-12-23 03:38:23,075 INFO L189 CegarLoopUtils]: For program point L367(lines 367 582) no Hoare annotation was computed. [2020-12-23 03:38:23,075 INFO L189 CegarLoopUtils]: For program point L301(lines 301 582) no Hoare annotation was computed. [2020-12-23 03:38:23,075 INFO L189 CegarLoopUtils]: For program point L235(lines 235 582) no Hoare annotation was computed. [2020-12-23 03:38:23,075 INFO L189 CegarLoopUtils]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,075 INFO L189 CegarLoopUtils]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,075 INFO L189 CegarLoopUtils]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,075 INFO L189 CegarLoopUtils]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,076 INFO L189 CegarLoopUtils]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,076 INFO L189 CegarLoopUtils]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,076 INFO L189 CegarLoopUtils]: For program point L533(lines 533 582) no Hoare annotation was computed. [2020-12-23 03:38:23,076 INFO L189 CegarLoopUtils]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-23 03:38:23,076 INFO L189 CegarLoopUtils]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-23 03:38:23,077 INFO L189 CegarLoopUtils]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-23 03:38:23,077 INFO L189 CegarLoopUtils]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-23 03:38:23,077 INFO L189 CegarLoopUtils]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-23 03:38:23,077 INFO L189 CegarLoopUtils]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-23 03:38:23,077 INFO L189 CegarLoopUtils]: For program point L567(lines 567 582) no Hoare annotation was computed. [2020-12-23 03:38:23,077 INFO L189 CegarLoopUtils]: For program point L435(lines 435 582) no Hoare annotation was computed. [2020-12-23 03:38:23,077 INFO L189 CegarLoopUtils]: For program point L336(lines 336 582) no Hoare annotation was computed. [2020-12-23 03:38:23,077 INFO L189 CegarLoopUtils]: For program point L270(lines 270 582) no Hoare annotation was computed. [2020-12-23 03:38:23,078 INFO L189 CegarLoopUtils]: For program point L403(lines 403 582) no Hoare annotation was computed. [2020-12-23 03:38:23,078 INFO L189 CegarLoopUtils]: For program point L370(lines 370 582) no Hoare annotation was computed. [2020-12-23 03:38:23,078 INFO L189 CegarLoopUtils]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,078 INFO L189 CegarLoopUtils]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,078 INFO L189 CegarLoopUtils]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,078 INFO L189 CegarLoopUtils]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,078 INFO L189 CegarLoopUtils]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,078 INFO L189 CegarLoopUtils]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,078 INFO L189 CegarLoopUtils]: For program point L536(lines 536 582) no Hoare annotation was computed. [2020-12-23 03:38:23,079 INFO L189 CegarLoopUtils]: For program point L503(lines 503 582) no Hoare annotation was computed. [2020-12-23 03:38:23,079 INFO L189 CegarLoopUtils]: For program point L470(lines 470 582) no Hoare annotation was computed. [2020-12-23 03:38:23,079 INFO L189 CegarLoopUtils]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-23 03:38:23,079 INFO L189 CegarLoopUtils]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-23 03:38:23,079 INFO L189 CegarLoopUtils]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-23 03:38:23,079 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-23 03:38:23,079 INFO L189 CegarLoopUtils]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-23 03:38:23,079 INFO L189 CegarLoopUtils]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-23 03:38:23,079 INFO L189 CegarLoopUtils]: For program point L339(lines 339 582) no Hoare annotation was computed. [2020-12-23 03:38:23,080 INFO L189 CegarLoopUtils]: For program point L306(lines 306 582) no Hoare annotation was computed. [2020-12-23 03:38:23,080 INFO L189 CegarLoopUtils]: For program point L241(lines 241 582) no Hoare annotation was computed. [2020-12-23 03:38:23,080 INFO L189 CegarLoopUtils]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,080 INFO L189 CegarLoopUtils]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,080 INFO L189 CegarLoopUtils]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,080 INFO L189 CegarLoopUtils]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,080 INFO L189 CegarLoopUtils]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,080 INFO L189 CegarLoopUtils]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,081 INFO L189 CegarLoopUtils]: For program point L539(lines 539 582) no Hoare annotation was computed. [2020-12-23 03:38:23,081 INFO L189 CegarLoopUtils]: For program point L440(lines 440 582) no Hoare annotation was computed. [2020-12-23 03:38:23,081 INFO L189 CegarLoopUtils]: For program point L275(lines 275 582) no Hoare annotation was computed. [2020-12-23 03:38:23,081 INFO L189 CegarLoopUtils]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-23 03:38:23,081 INFO L189 CegarLoopUtils]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-23 03:38:23,081 INFO L189 CegarLoopUtils]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-23 03:38:23,081 INFO L189 CegarLoopUtils]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-23 03:38:23,081 INFO L189 CegarLoopUtils]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-23 03:38:23,081 INFO L189 CegarLoopUtils]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-23 03:38:23,081 INFO L189 CegarLoopUtils]: For program point L573(lines 573 582) no Hoare annotation was computed. [2020-12-23 03:38:23,081 INFO L189 CegarLoopUtils]: For program point L408(lines 408 582) no Hoare annotation was computed. [2020-12-23 03:38:23,082 INFO L189 CegarLoopUtils]: For program point L375(lines 375 582) no Hoare annotation was computed. [2020-12-23 03:38:23,082 INFO L189 CegarLoopUtils]: For program point L475(lines 475 582) no Hoare annotation was computed. [2020-12-23 03:38:23,082 INFO L189 CegarLoopUtils]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,082 INFO L189 CegarLoopUtils]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,082 INFO L189 CegarLoopUtils]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,082 INFO L189 CegarLoopUtils]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,082 INFO L189 CegarLoopUtils]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,082 INFO L189 CegarLoopUtils]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,082 INFO L189 CegarLoopUtils]: For program point L509(lines 509 582) no Hoare annotation was computed. [2020-12-23 03:38:23,082 INFO L189 CegarLoopUtils]: For program point L311(lines 311 582) no Hoare annotation was computed. [2020-12-23 03:38:23,082 INFO L189 CegarLoopUtils]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-23 03:38:23,082 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-23 03:38:23,083 INFO L189 CegarLoopUtils]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-23 03:38:23,083 INFO L189 CegarLoopUtils]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-23 03:38:23,083 INFO L189 CegarLoopUtils]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-23 03:38:23,083 INFO L189 CegarLoopUtils]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-23 03:38:23,083 INFO L189 CegarLoopUtils]: For program point L345(lines 345 582) no Hoare annotation was computed. [2020-12-23 03:38:23,083 INFO L189 CegarLoopUtils]: For program point L246(lines 246 582) no Hoare annotation was computed. [2020-12-23 03:38:23,083 INFO L189 CegarLoopUtils]: For program point L544(lines 544 582) no Hoare annotation was computed. [2020-12-23 03:38:23,083 INFO L189 CegarLoopUtils]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,083 INFO L189 CegarLoopUtils]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,084 INFO L189 CegarLoopUtils]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,084 INFO L189 CegarLoopUtils]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,084 INFO L189 CegarLoopUtils]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,084 INFO L189 CegarLoopUtils]: For program point L446(lines 446 582) no Hoare annotation was computed. [2020-12-23 03:38:23,084 INFO L189 CegarLoopUtils]: For program point L413(lines 413 582) no Hoare annotation was computed. [2020-12-23 03:38:23,084 INFO L189 CegarLoopUtils]: For program point L380(lines 380 582) no Hoare annotation was computed. [2020-12-23 03:38:23,084 INFO L189 CegarLoopUtils]: For program point L281(lines 281 582) no Hoare annotation was computed. [2020-12-23 03:38:23,084 INFO L189 CegarLoopUtils]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-23 03:38:23,085 INFO L189 CegarLoopUtils]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-23 03:38:23,085 INFO L189 CegarLoopUtils]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-23 03:38:23,085 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-23 03:38:23,085 INFO L189 CegarLoopUtils]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-23 03:38:23,085 INFO L189 CegarLoopUtils]: For program point L579(lines 579 582) no Hoare annotation was computed. [2020-12-23 03:38:23,085 INFO L189 CegarLoopUtils]: For program point L249(lines 249 582) no Hoare annotation was computed. [2020-12-23 03:38:23,085 INFO L189 CegarLoopUtils]: For program point L514(lines 514 582) no Hoare annotation was computed. [2020-12-23 03:38:23,085 INFO L189 CegarLoopUtils]: For program point L481(lines 481 582) no Hoare annotation was computed. [2020-12-23 03:38:23,085 INFO L189 CegarLoopUtils]: For program point L316(lines 316 582) no Hoare annotation was computed. [2020-12-23 03:38:23,085 INFO L189 CegarLoopUtils]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,086 INFO L189 CegarLoopUtils]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,086 INFO L189 CegarLoopUtils]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,086 INFO L189 CegarLoopUtils]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,086 INFO L189 CegarLoopUtils]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,086 INFO L189 CegarLoopUtils]: For program point L350(lines 350 582) no Hoare annotation was computed. [2020-12-23 03:38:23,086 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 03:38:23,086 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-23 03:38:23,086 INFO L189 CegarLoopUtils]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-23 03:38:23,086 INFO L189 CegarLoopUtils]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-23 03:38:23,086 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-23 03:38:23,087 INFO L189 CegarLoopUtils]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-23 03:38:23,087 INFO L185 CegarLoopUtils]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse7 (<= ~a19~0 7)) (.cse4 (<= ~a1~0 36)) (.cse1 (= ~a10~0 2)) (.cse8 (<= 9 ~a19~0)) (.cse6 (= ~a10~0 1)) (.cse0 (= 14 ~a4~0)) (.cse5 (= ~a10~0 0)) (.cse2 (= ~a12~0 0)) (.cse3 (<= ~a19~0 9))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 592098 ~a1~0)) (and .cse4 .cse0 .cse5 .cse2) (and (< 218 ~a1~0) .cse6 .cse0 .cse2) (and .cse7 .cse0 .cse1 .cse2) (and .cse0 .cse2 .cse3 (= ~a10~0 4)) (and .cse0 .cse8 .cse1 .cse2 .cse3) (and .cse7 .cse4 .cse0 .cse2) (and (= ~a10~0 3) .cse0 .cse2 (= ~a19~0 9)) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse6 .cse8 .cse0 .cse2) (and (= ~a19~0 8) .cse6 .cse0 .cse2) (and .cse0 .cse5 .cse2 .cse3))) [2020-12-23 03:38:23,087 INFO L189 CegarLoopUtils]: For program point L550(lines 550 582) no Hoare annotation was computed. [2020-12-23 03:38:23,088 INFO L189 CegarLoopUtils]: For program point L418(lines 418 582) no Hoare annotation was computed. [2020-12-23 03:38:23,088 INFO L189 CegarLoopUtils]: For program point L385(lines 385 582) no Hoare annotation was computed. [2020-12-23 03:38:23,088 INFO L189 CegarLoopUtils]: For program point L220(lines 220 582) no Hoare annotation was computed. [2020-12-23 03:38:23,088 INFO L189 CegarLoopUtils]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,088 INFO L189 CegarLoopUtils]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,088 INFO L189 CegarLoopUtils]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,088 INFO L189 CegarLoopUtils]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,088 INFO L189 CegarLoopUtils]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,088 INFO L189 CegarLoopUtils]: For program point L452(lines 452 582) no Hoare annotation was computed. [2020-12-23 03:38:23,088 INFO L189 CegarLoopUtils]: For program point L287(lines 287 582) no Hoare annotation was computed. [2020-12-23 03:38:23,089 INFO L189 CegarLoopUtils]: For program point L254(lines 254 582) no Hoare annotation was computed. [2020-12-23 03:38:23,089 INFO L189 CegarLoopUtils]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-23 03:38:23,089 INFO L189 CegarLoopUtils]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-23 03:38:23,089 INFO L189 CegarLoopUtils]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-23 03:38:23,089 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-23 03:38:23,089 INFO L189 CegarLoopUtils]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-23 03:38:23,089 INFO L189 CegarLoopUtils]: For program point L519(lines 519 582) no Hoare annotation was computed. [2020-12-23 03:38:23,089 INFO L189 CegarLoopUtils]: For program point L486(lines 486 582) no Hoare annotation was computed. [2020-12-23 03:38:23,089 INFO L192 CegarLoopUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2020-12-23 03:38:23,089 INFO L189 CegarLoopUtils]: For program point L388(lines 388 582) no Hoare annotation was computed. [2020-12-23 03:38:23,090 INFO L189 CegarLoopUtils]: For program point L355(lines 355 582) no Hoare annotation was computed. [2020-12-23 03:38:23,090 INFO L189 CegarLoopUtils]: For program point L322(lines 322 582) no Hoare annotation was computed. [2020-12-23 03:38:23,090 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 03:38:23,090 INFO L189 CegarLoopUtils]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,090 INFO L189 CegarLoopUtils]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,090 INFO L189 CegarLoopUtils]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,090 INFO L189 CegarLoopUtils]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,090 INFO L189 CegarLoopUtils]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,090 INFO L189 CegarLoopUtils]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-23 03:38:23,090 INFO L189 CegarLoopUtils]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-23 03:38:23,091 INFO L189 CegarLoopUtils]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-23 03:38:23,091 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-23 03:38:23,091 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-23 03:38:23,091 INFO L189 CegarLoopUtils]: For program point L555(lines 555 582) no Hoare annotation was computed. [2020-12-23 03:38:23,091 INFO L189 CegarLoopUtils]: For program point L225(lines 225 582) no Hoare annotation was computed. [2020-12-23 03:38:23,091 INFO L189 CegarLoopUtils]: For program point L424(lines 424 582) no Hoare annotation was computed. [2020-12-23 03:38:23,091 INFO L189 CegarLoopUtils]: For program point L259(lines 259 582) no Hoare annotation was computed. [2020-12-23 03:38:23,091 INFO L189 CegarLoopUtils]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,091 INFO L189 CegarLoopUtils]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,092 INFO L189 CegarLoopUtils]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,092 INFO L189 CegarLoopUtils]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,092 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 03:38:23,092 INFO L189 CegarLoopUtils]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,092 INFO L189 CegarLoopUtils]: For program point L524(lines 524 582) no Hoare annotation was computed. [2020-12-23 03:38:23,092 INFO L189 CegarLoopUtils]: For program point L491(lines 491 582) no Hoare annotation was computed. [2020-12-23 03:38:23,092 INFO L189 CegarLoopUtils]: For program point L458(lines 458 582) no Hoare annotation was computed. [2020-12-23 03:38:23,092 INFO L189 CegarLoopUtils]: For program point L293(lines 293 582) no Hoare annotation was computed. [2020-12-23 03:38:23,092 INFO L189 CegarLoopUtils]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-23 03:38:23,093 INFO L189 CegarLoopUtils]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-23 03:38:23,093 INFO L189 CegarLoopUtils]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-23 03:38:23,093 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-23 03:38:23,093 INFO L189 CegarLoopUtils]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-23 03:38:23,093 INFO L189 CegarLoopUtils]: For program point L558(lines 558 582) no Hoare annotation was computed. [2020-12-23 03:38:23,093 INFO L189 CegarLoopUtils]: For program point L393(lines 393 582) no Hoare annotation was computed. [2020-12-23 03:38:23,093 INFO L189 CegarLoopUtils]: For program point L327(lines 327 582) no Hoare annotation was computed. [2020-12-23 03:38:23,093 INFO L185 CegarLoopUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse7 (<= ~a19~0 7)) (.cse4 (<= ~a1~0 36)) (.cse1 (= ~a10~0 2)) (.cse8 (<= 9 ~a19~0)) (.cse6 (= ~a10~0 1)) (.cse0 (= 14 ~a4~0)) (.cse5 (= ~a10~0 0)) (.cse2 (= ~a12~0 0)) (.cse3 (<= ~a19~0 9))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 592098 ~a1~0)) (and .cse4 .cse0 .cse5 .cse2) (and (< 218 ~a1~0) .cse6 .cse0 .cse2) (and .cse7 .cse0 .cse1 .cse2) (and .cse0 .cse2 .cse3 (= ~a10~0 4)) (and .cse0 .cse8 .cse1 .cse2 .cse3) (and .cse7 .cse4 .cse0 .cse2) (and (= ~a10~0 3) .cse0 .cse2 (= ~a19~0 9)) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse6 .cse8 .cse0 .cse2) (and (= ~a19~0 8) .cse6 .cse0 .cse2) (and .cse0 .cse5 .cse2 .cse3))) [2020-12-23 03:38:23,094 INFO L189 CegarLoopUtils]: For program point L361(lines 361 582) no Hoare annotation was computed. [2020-12-23 03:38:23,094 INFO L189 CegarLoopUtils]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,094 INFO L189 CegarLoopUtils]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,094 INFO L189 CegarLoopUtils]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,094 INFO L189 CegarLoopUtils]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,094 INFO L189 CegarLoopUtils]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-23 03:38:23,094 INFO L189 CegarLoopUtils]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,094 INFO L189 CegarLoopUtils]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,094 INFO L189 CegarLoopUtils]: For program point L527(lines 527 582) no Hoare annotation was computed. [2020-12-23 03:38:23,094 INFO L189 CegarLoopUtils]: For program point L296(lines 296 582) no Hoare annotation was computed. [2020-12-23 03:38:23,095 INFO L189 CegarLoopUtils]: For program point L230(lines 230 582) no Hoare annotation was computed. [2020-12-23 03:38:23,095 INFO L189 CegarLoopUtils]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-23 03:38:23,095 INFO L189 CegarLoopUtils]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-23 03:38:23,095 INFO L189 CegarLoopUtils]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-23 03:38:23,095 INFO L189 CegarLoopUtils]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-23 03:38:23,095 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-23 03:38:23,095 INFO L189 CegarLoopUtils]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-23 03:38:23,095 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 03:38:23,095 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 80) no Hoare annotation was computed. [2020-12-23 03:38:23,096 INFO L189 CegarLoopUtils]: For program point L429(lines 429 582) no Hoare annotation was computed. [2020-12-23 03:38:23,096 INFO L189 CegarLoopUtils]: For program point L330(lines 330 582) no Hoare annotation was computed. [2020-12-23 03:38:23,096 INFO L189 CegarLoopUtils]: For program point L264(lines 264 582) no Hoare annotation was computed. [2020-12-23 03:38:23,096 INFO L189 CegarLoopUtils]: For program point L364(lines 364 582) no Hoare annotation was computed. [2020-12-23 03:38:23,096 INFO L189 CegarLoopUtils]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,096 INFO L189 CegarLoopUtils]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,096 INFO L189 CegarLoopUtils]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,096 INFO L189 CegarLoopUtils]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,096 INFO L189 CegarLoopUtils]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,096 INFO L189 CegarLoopUtils]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2020-12-23 03:38:23,096 INFO L189 CegarLoopUtils]: For program point L497(lines 497 582) no Hoare annotation was computed. [2020-12-23 03:38:23,097 INFO L189 CegarLoopUtils]: For program point L464(lines 464 582) no Hoare annotation was computed. [2020-12-23 03:38:23,097 INFO L189 CegarLoopUtils]: For program point L398(lines 398 582) no Hoare annotation was computed. [2020-12-23 03:38:23,097 INFO L189 CegarLoopUtils]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-23 03:38:23,097 INFO L189 CegarLoopUtils]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-23 03:38:23,097 INFO L189 CegarLoopUtils]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-23 03:38:23,097 INFO L189 CegarLoopUtils]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-23 03:38:23,097 INFO L189 CegarLoopUtils]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-23 03:38:23,097 INFO L189 CegarLoopUtils]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-23 03:38:23,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 03:38:23 BoogieIcfgContainer [2020-12-23 03:38:23,128 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 03:38:23,129 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 03:38:23,129 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 03:38:23,129 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 03:38:23,130 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:38:03" (3/4) ... [2020-12-23 03:38:23,140 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 03:38:23,194 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-23 03:38:23,196 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-23 03:38:23,197 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 03:38:23,198 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 03:38:23,358 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem10_label49.c-witness.graphml [2020-12-23 03:38:23,359 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 03:38:23,361 INFO L168 Benchmark]: Toolchain (without parser) took 22639.41 ms. Allocated memory was 151.0 MB in the beginning and 468.7 MB in the end (delta: 317.7 MB). Free memory was 124.9 MB in the beginning and 341.5 MB in the end (delta: -216.6 MB). Peak memory consumption was 101.8 MB. Max. memory is 8.0 GB. [2020-12-23 03:38:23,361 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 03:38:23,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 863.54 ms. Allocated memory is still 151.0 MB. Free memory was 124.7 MB in the beginning and 128.9 MB in the end (delta: -4.2 MB). Peak memory consumption was 27.6 MB. Max. memory is 8.0 GB. [2020-12-23 03:38:23,362 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.33 ms. Allocated memory is still 151.0 MB. Free memory was 128.9 MB in the beginning and 121.1 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-12-23 03:38:23,363 INFO L168 Benchmark]: Boogie Preprocessor took 148.12 ms. Allocated memory is still 151.0 MB. Free memory was 121.1 MB in the beginning and 115.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-23 03:38:23,363 INFO L168 Benchmark]: RCFGBuilder took 1679.06 ms. Allocated memory is still 151.0 MB. Free memory was 115.8 MB in the beginning and 91.8 MB in the end (delta: 24.0 MB). Peak memory consumption was 75.4 MB. Max. memory is 8.0 GB. [2020-12-23 03:38:23,364 INFO L168 Benchmark]: TraceAbstraction took 19590.75 ms. Allocated memory was 151.0 MB in the beginning and 468.7 MB in the end (delta: 317.7 MB). Free memory was 91.8 MB in the beginning and 356.7 MB in the end (delta: -264.9 MB). Peak memory consumption was 247.9 MB. Max. memory is 8.0 GB. [2020-12-23 03:38:23,364 INFO L168 Benchmark]: Witness Printer took 229.97 ms. Allocated memory is still 468.7 MB. Free memory was 356.7 MB in the beginning and 341.5 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2020-12-23 03:38:23,366 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 863.54 ms. Allocated memory is still 151.0 MB. Free memory was 124.7 MB in the beginning and 128.9 MB in the end (delta: -4.2 MB). Peak memory consumption was 27.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 115.33 ms. Allocated memory is still 151.0 MB. Free memory was 128.9 MB in the beginning and 121.1 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 148.12 ms. Allocated memory is still 151.0 MB. Free memory was 121.1 MB in the beginning and 115.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1679.06 ms. Allocated memory is still 151.0 MB. Free memory was 115.8 MB in the beginning and 91.8 MB in the end (delta: 24.0 MB). Peak memory consumption was 75.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 19590.75 ms. Allocated memory was 151.0 MB in the beginning and 468.7 MB in the end (delta: 317.7 MB). Free memory was 91.8 MB in the beginning and 356.7 MB in the end (delta: -264.9 MB). Peak memory consumption was 247.9 MB. Max. memory is 8.0 GB. * Witness Printer took 229.97 ms. Allocated memory is still 468.7 MB. Free memory was 356.7 MB in the beginning and 341.5 MB in the end (delta: 15.2 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: 80]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((((((((((((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9) && 592098 <= a1) || (((a1 <= 36 && 14 == a4) && a10 == 0) && a12 == 0)) || (((218 < a1 && a10 == 1) && 14 == a4) && a12 == 0)) || (((a19 <= 7 && 14 == a4) && a10 == 2) && a12 == 0)) || (((14 == a4 && a12 == 0) && a19 <= 9) && a10 == 4)) || ((((14 == a4 && 9 <= a19) && a10 == 2) && a12 == 0) && a19 <= 9)) || (((a19 <= 7 && a1 <= 36) && 14 == a4) && a12 == 0)) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 == 9)) || ((((a1 <= 36 && 14 == a4) && a10 == 2) && a12 == 0) && a19 <= 9)) || (((a10 == 1 && 9 <= a19) && 14 == a4) && a12 == 0)) || (((a19 == 8 && a10 == 1) && 14 == a4) && a12 == 0)) || (((14 == a4 && a10 == 0) && a12 == 0) && a19 <= 9) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((((((((14 == a4 && a10 == 2) && a12 == 0) && a19 <= 9) && 592098 <= a1) || (((a1 <= 36 && 14 == a4) && a10 == 0) && a12 == 0)) || (((218 < a1 && a10 == 1) && 14 == a4) && a12 == 0)) || (((a19 <= 7 && 14 == a4) && a10 == 2) && a12 == 0)) || (((14 == a4 && a12 == 0) && a19 <= 9) && a10 == 4)) || ((((14 == a4 && 9 <= a19) && a10 == 2) && a12 == 0) && a19 <= 9)) || (((a19 <= 7 && a1 <= 36) && 14 == a4) && a12 == 0)) || (((a10 == 3 && 14 == a4) && a12 == 0) && a19 == 9)) || ((((a1 <= 36 && 14 == a4) && a10 == 2) && a12 == 0) && a19 <= 9)) || (((a10 == 1 && 9 <= a19) && 14 == a4) && a12 == 0)) || (((a19 == 8 && a10 == 1) && 14 == a4) && a12 == 0)) || (((14 == a4 && a10 == 0) && a12 == 0) && a19 <= 9) - 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: 18.2s, OverallIterations: 14, TraceHistogramMax: 4, AutomataDifference: 10.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1581 SDtfs, 1539 SDslu, 93 SDs, 0 SdLazy, 6525 SolverSat, 936 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 598 GetRequests, 570 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2367occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 1946 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 86 NumberOfFragments, 333 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2854 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1382 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 3377 NumberOfCodeBlocks, 3377 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3361 ConstructedInterpolants, 0 QuantifiedInterpolants, 4594045 SizeOfPredicates, 5 NumberOfNonLiveVariables, 814 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 16 InterpolantComputations, 13 PerfectInterpolantSequences, 2454/2628 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...