/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/eca-rers2012/Problem14_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 04:19:13,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 04:19:13,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 04:19:14,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 04:19:14,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 04:19:14,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 04:19:14,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 04:19:14,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 04:19:14,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 04:19:14,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 04:19:14,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 04:19:14,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 04:19:14,058 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 04:19:14,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 04:19:14,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 04:19:14,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 04:19:14,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 04:19:14,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 04:19:14,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 04:19:14,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 04:19:14,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 04:19:14,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 04:19:14,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 04:19:14,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 04:19:14,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 04:19:14,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 04:19:14,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 04:19:14,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 04:19:14,134 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 04:19:14,180 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 04:19:14,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 04:19:14,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 04:19:14,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 04:19:14,186 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 04:19:14,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 04:19:14,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 04:19:14,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 04:19:14,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 04:19:14,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 04:19:14,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 04:19:14,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 04:19:14,189 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 04:19:14,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 04:19:14,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 04:19:14,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 04:19:14,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 04:19:14,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 04:19:14,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 04:19:14,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 04:19:14,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 04:19:14,191 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 04:19:14,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 04:19:14,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 04:19:14,192 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 04:19:14,192 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 04:19:14,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 04:19:14,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 04:19:14,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 04:19:14,679 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 04:19:14,680 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 04:19:14,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label23.c [2020-12-23 04:19:14,764 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9b20343e4/927726ac6f1e4008a9ad081065dc11e6/FLAG0ec0ee983 [2020-12-23 04:19:15,490 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 04:19:15,491 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label23.c [2020-12-23 04:19:15,514 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9b20343e4/927726ac6f1e4008a9ad081065dc11e6/FLAG0ec0ee983 [2020-12-23 04:19:15,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9b20343e4/927726ac6f1e4008a9ad081065dc11e6 [2020-12-23 04:19:15,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 04:19:15,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 04:19:15,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 04:19:15,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 04:19:15,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 04:19:15,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:19:15" (1/1) ... [2020-12-23 04:19:15,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d6da0f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:19:15, skipping insertion in model container [2020-12-23 04:19:15,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:19:15" (1/1) ... [2020-12-23 04:19:15,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 04:19:15,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 04:19:15,969 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label23.c[3423,3436] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2020-12-23 04:19:16,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 04:19:16,305 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 04:19:16,331 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label23.c[3423,3436] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2020-12-23 04:19:16,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 04:19:16,580 INFO L208 MainTranslator]: Completed translation [2020-12-23 04:19:16,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:19:16 WrapperNode [2020-12-23 04:19:16,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 04:19:16,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 04:19:16,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 04:19:16,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 04:19:16,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:19:16" (1/1) ... [2020-12-23 04:19:16,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:19:16" (1/1) ... [2020-12-23 04:19:16,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 04:19:16,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 04:19:16,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 04:19:16,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 04:19:16,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:19:16" (1/1) ... [2020-12-23 04:19:16,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:19:16" (1/1) ... [2020-12-23 04:19:16,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:19:16" (1/1) ... [2020-12-23 04:19:16,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:19:16" (1/1) ... [2020-12-23 04:19:16,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:19:16" (1/1) ... [2020-12-23 04:19:16,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:19:16" (1/1) ... [2020-12-23 04:19:16,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:19:16" (1/1) ... [2020-12-23 04:19:16,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 04:19:16,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 04:19:16,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 04:19:16,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 04:19:16,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:19:16" (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 04:19:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 04:19:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 04:19:17,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 04:19:17,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 04:19:18,582 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 04:19:18,582 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-23 04:19:18,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:19:18 BoogieIcfgContainer [2020-12-23 04:19:18,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 04:19:18,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 04:19:18,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 04:19:18,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 04:19:18,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 04:19:15" (1/3) ... [2020-12-23 04:19:18,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791b8490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:19:18, skipping insertion in model container [2020-12-23 04:19:18,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:19:16" (2/3) ... [2020-12-23 04:19:18,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791b8490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:19:18, skipping insertion in model container [2020-12-23 04:19:18,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:19:18" (3/3) ... [2020-12-23 04:19:18,596 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label23.c [2020-12-23 04:19:18,604 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 04:19:18,610 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 04:19:18,631 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 04:19:18,664 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 04:19:18,664 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 04:19:18,664 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 04:19:18,664 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 04:19:18,664 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 04:19:18,665 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 04:19:18,665 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 04:19:18,665 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 04:19:18,688 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2020-12-23 04:19:18,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-23 04:19:18,696 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:18,697 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:19:18,698 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:18,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:18,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1317301102, now seen corresponding path program 1 times [2020-12-23 04:19:18,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:18,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289388478] [2020-12-23 04:19:18,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:19,048 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 04:19:19,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289388478] [2020-12-23 04:19:19,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:19:19,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 04:19:19,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984470407] [2020-12-23 04:19:19,057 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:19:19,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:19,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:19:19,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:19:19,075 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 3 states. [2020-12-23 04:19:20,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:20,188 INFO L93 Difference]: Finished difference Result 669 states and 1200 transitions. [2020-12-23 04:19:20,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:19:20,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-12-23 04:19:20,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:20,208 INFO L225 Difference]: With dead ends: 669 [2020-12-23 04:19:20,208 INFO L226 Difference]: Without dead ends: 360 [2020-12-23 04:19:20,213 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 04:19:20,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-12-23 04:19:20,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-12-23 04:19:20,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-12-23 04:19:20,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 588 transitions. [2020-12-23 04:19:20,311 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 588 transitions. Word has length 32 [2020-12-23 04:19:20,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:20,311 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 588 transitions. [2020-12-23 04:19:20,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:19:20,311 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 588 transitions. [2020-12-23 04:19:20,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 04:19:20,315 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:20,316 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:19:20,316 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 04:19:20,316 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:20,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:20,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1953262776, now seen corresponding path program 1 times [2020-12-23 04:19:20,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:20,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137081130] [2020-12-23 04:19:20,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:20,535 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 04:19:20,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137081130] [2020-12-23 04:19:20,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:19:20,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 04:19:20,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372245009] [2020-12-23 04:19:20,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:19:20,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:20,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:19:20,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:19:20,545 INFO L87 Difference]: Start difference. First operand 360 states and 588 transitions. Second operand 3 states. [2020-12-23 04:19:21,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:21,402 INFO L93 Difference]: Finished difference Result 1074 states and 1759 transitions. [2020-12-23 04:19:21,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:19:21,402 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-12-23 04:19:21,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:21,408 INFO L225 Difference]: With dead ends: 1074 [2020-12-23 04:19:21,409 INFO L226 Difference]: Without dead ends: 716 [2020-12-23 04:19:21,411 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 04:19:21,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-12-23 04:19:21,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 538. [2020-12-23 04:19:21,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-12-23 04:19:21,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 838 transitions. [2020-12-23 04:19:21,445 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 838 transitions. Word has length 97 [2020-12-23 04:19:21,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:21,446 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 838 transitions. [2020-12-23 04:19:21,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:19:21,446 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 838 transitions. [2020-12-23 04:19:21,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-23 04:19:21,456 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:21,457 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:19:21,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 04:19:21,460 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:21,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:21,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1430044837, now seen corresponding path program 1 times [2020-12-23 04:19:21,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:21,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467312613] [2020-12-23 04:19:21,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:21,781 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 04:19:21,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467312613] [2020-12-23 04:19:21,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:19:21,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:19:21,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831692036] [2020-12-23 04:19:21,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 04:19:21,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:21,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 04:19:21,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 04:19:21,789 INFO L87 Difference]: Start difference. First operand 538 states and 838 transitions. Second operand 4 states. [2020-12-23 04:19:23,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:23,437 INFO L93 Difference]: Finished difference Result 1788 states and 2802 transitions. [2020-12-23 04:19:23,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 04:19:23,438 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 111 [2020-12-23 04:19:23,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:23,446 INFO L225 Difference]: With dead ends: 1788 [2020-12-23 04:19:23,447 INFO L226 Difference]: Without dead ends: 1252 [2020-12-23 04:19:23,459 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 04:19:23,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2020-12-23 04:19:23,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1250. [2020-12-23 04:19:23,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2020-12-23 04:19:23,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1617 transitions. [2020-12-23 04:19:23,497 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1617 transitions. Word has length 111 [2020-12-23 04:19:23,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:23,498 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 1617 transitions. [2020-12-23 04:19:23,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 04:19:23,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1617 transitions. [2020-12-23 04:19:23,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-12-23 04:19:23,510 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:23,510 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-23 04:19:23,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 04:19:23,511 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:23,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:23,512 INFO L82 PathProgramCache]: Analyzing trace with hash 872689753, now seen corresponding path program 1 times [2020-12-23 04:19:23,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:23,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096660487] [2020-12-23 04:19:23,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:23,867 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-23 04:19:23,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096660487] [2020-12-23 04:19:23,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:19:23,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:19:23,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678802133] [2020-12-23 04:19:23,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 04:19:23,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:23,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 04:19:23,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 04:19:23,871 INFO L87 Difference]: Start difference. First operand 1250 states and 1617 transitions. Second operand 4 states. [2020-12-23 04:19:24,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:24,995 INFO L93 Difference]: Finished difference Result 2707 states and 3620 transitions. [2020-12-23 04:19:24,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 04:19:24,996 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 191 [2020-12-23 04:19:24,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:25,006 INFO L225 Difference]: With dead ends: 2707 [2020-12-23 04:19:25,007 INFO L226 Difference]: Without dead ends: 1608 [2020-12-23 04:19:25,009 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 04:19:25,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2020-12-23 04:19:25,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1606. [2020-12-23 04:19:25,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-12-23 04:19:25,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1825 transitions. [2020-12-23 04:19:25,050 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1825 transitions. Word has length 191 [2020-12-23 04:19:25,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:25,052 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1825 transitions. [2020-12-23 04:19:25,052 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 04:19:25,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1825 transitions. [2020-12-23 04:19:25,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2020-12-23 04:19:25,064 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:25,064 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:19:25,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 04:19:25,065 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:25,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:25,065 INFO L82 PathProgramCache]: Analyzing trace with hash 831866558, now seen corresponding path program 1 times [2020-12-23 04:19:25,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:25,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295488348] [2020-12-23 04:19:25,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:25,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:25,573 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-23 04:19:25,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295488348] [2020-12-23 04:19:25,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:19:25,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:19:25,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749569285] [2020-12-23 04:19:25,575 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:19:25,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:25,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:19:25,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:19:25,578 INFO L87 Difference]: Start difference. First operand 1606 states and 1825 transitions. Second operand 3 states. [2020-12-23 04:19:26,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:26,251 INFO L93 Difference]: Finished difference Result 3210 states and 3695 transitions. [2020-12-23 04:19:26,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:19:26,251 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 322 [2020-12-23 04:19:26,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:26,262 INFO L225 Difference]: With dead ends: 3210 [2020-12-23 04:19:26,262 INFO L226 Difference]: Without dead ends: 1784 [2020-12-23 04:19:26,265 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 04:19:26,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2020-12-23 04:19:26,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1784. [2020-12-23 04:19:26,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1784 states. [2020-12-23 04:19:26,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2032 transitions. [2020-12-23 04:19:26,316 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2032 transitions. Word has length 322 [2020-12-23 04:19:26,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:26,319 INFO L481 AbstractCegarLoop]: Abstraction has 1784 states and 2032 transitions. [2020-12-23 04:19:26,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:19:26,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2032 transitions. [2020-12-23 04:19:26,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-12-23 04:19:26,325 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:26,326 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:19:26,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 04:19:26,327 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:26,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:26,328 INFO L82 PathProgramCache]: Analyzing trace with hash -242982336, now seen corresponding path program 1 times [2020-12-23 04:19:26,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:26,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868598124] [2020-12-23 04:19:26,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:26,973 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 144 proven. 130 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-12-23 04:19:26,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868598124] [2020-12-23 04:19:26,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533966825] [2020-12-23 04:19:26,974 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 04:19:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:27,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 04:19:27,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:19:27,770 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2020-12-23 04:19:27,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:19:27,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-12-23 04:19:27,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666536046] [2020-12-23 04:19:27,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:19:27,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:27,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:19:27,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:19:27,776 INFO L87 Difference]: Start difference. First operand 1784 states and 2032 transitions. Second operand 3 states. [2020-12-23 04:19:28,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:28,508 INFO L93 Difference]: Finished difference Result 3744 states and 4387 transitions. [2020-12-23 04:19:28,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:19:28,509 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 325 [2020-12-23 04:19:28,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:28,520 INFO L225 Difference]: With dead ends: 3744 [2020-12-23 04:19:28,521 INFO L226 Difference]: Without dead ends: 2140 [2020-12-23 04:19:28,524 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:19:28,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2020-12-23 04:19:28,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2140. [2020-12-23 04:19:28,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-12-23 04:19:28,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2410 transitions. [2020-12-23 04:19:28,576 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2410 transitions. Word has length 325 [2020-12-23 04:19:28,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:28,577 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2410 transitions. [2020-12-23 04:19:28,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:19:28,580 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2410 transitions. [2020-12-23 04:19:28,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2020-12-23 04:19:28,591 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:28,591 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:19:28,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-12-23 04:19:28,807 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:28,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:28,812 INFO L82 PathProgramCache]: Analyzing trace with hash 255466610, now seen corresponding path program 1 times [2020-12-23 04:19:28,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:28,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240144667] [2020-12-23 04:19:28,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:29,388 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 354 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-12-23 04:19:29,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240144667] [2020-12-23 04:19:29,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:19:29,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:19:29,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959148683] [2020-12-23 04:19:29,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 04:19:29,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:29,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 04:19:29,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 04:19:29,393 INFO L87 Difference]: Start difference. First operand 2140 states and 2410 transitions. Second operand 4 states. [2020-12-23 04:19:30,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:30,243 INFO L93 Difference]: Finished difference Result 4307 states and 4869 transitions. [2020-12-23 04:19:30,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 04:19:30,244 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 402 [2020-12-23 04:19:30,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:30,257 INFO L225 Difference]: With dead ends: 4307 [2020-12-23 04:19:30,257 INFO L226 Difference]: Without dead ends: 2318 [2020-12-23 04:19:30,261 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 04:19:30,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2020-12-23 04:19:30,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2140. [2020-12-23 04:19:30,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-12-23 04:19:30,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2328 transitions. [2020-12-23 04:19:30,323 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2328 transitions. Word has length 402 [2020-12-23 04:19:30,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:30,324 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2328 transitions. [2020-12-23 04:19:30,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 04:19:30,324 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2328 transitions. [2020-12-23 04:19:30,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2020-12-23 04:19:30,335 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:30,336 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2020-12-23 04:19:30,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 04:19:30,336 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:30,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:30,337 INFO L82 PathProgramCache]: Analyzing trace with hash 371450483, now seen corresponding path program 2 times [2020-12-23 04:19:30,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:30,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372310181] [2020-12-23 04:19:30,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:30,793 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-12-23 04:19:30,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372310181] [2020-12-23 04:19:30,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:19:30,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:19:30,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122764419] [2020-12-23 04:19:30,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:19:30,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:30,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:19:30,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:19:30,796 INFO L87 Difference]: Start difference. First operand 2140 states and 2328 transitions. Second operand 3 states. [2020-12-23 04:19:31,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:31,523 INFO L93 Difference]: Finished difference Result 4456 states and 4912 transitions. [2020-12-23 04:19:31,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:19:31,523 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 428 [2020-12-23 04:19:31,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:31,535 INFO L225 Difference]: With dead ends: 4456 [2020-12-23 04:19:31,535 INFO L226 Difference]: Without dead ends: 2496 [2020-12-23 04:19:31,539 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 04:19:31,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2020-12-23 04:19:31,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2140. [2020-12-23 04:19:31,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-12-23 04:19:31,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2326 transitions. [2020-12-23 04:19:31,607 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2326 transitions. Word has length 428 [2020-12-23 04:19:31,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:31,608 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2326 transitions. [2020-12-23 04:19:31,608 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:19:31,609 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2326 transitions. [2020-12-23 04:19:31,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2020-12-23 04:19:31,617 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:31,617 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:19:31,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 04:19:31,618 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:31,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:31,619 INFO L82 PathProgramCache]: Analyzing trace with hash -628974162, now seen corresponding path program 1 times [2020-12-23 04:19:31,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:31,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517885681] [2020-12-23 04:19:31,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:31,978 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-12-23 04:19:31,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517885681] [2020-12-23 04:19:31,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:19:31,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:19:31,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400371870] [2020-12-23 04:19:31,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:19:31,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:31,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:19:31,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:19:31,982 INFO L87 Difference]: Start difference. First operand 2140 states and 2326 transitions. Second operand 3 states. [2020-12-23 04:19:32,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:32,695 INFO L93 Difference]: Finished difference Result 4990 states and 5486 transitions. [2020-12-23 04:19:32,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:19:32,696 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 435 [2020-12-23 04:19:32,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:32,711 INFO L225 Difference]: With dead ends: 4990 [2020-12-23 04:19:32,711 INFO L226 Difference]: Without dead ends: 3030 [2020-12-23 04:19:32,715 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 04:19:32,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2020-12-23 04:19:32,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2852. [2020-12-23 04:19:32,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2020-12-23 04:19:32,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3087 transitions. [2020-12-23 04:19:32,813 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3087 transitions. Word has length 435 [2020-12-23 04:19:32,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:32,814 INFO L481 AbstractCegarLoop]: Abstraction has 2852 states and 3087 transitions. [2020-12-23 04:19:32,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:19:32,814 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3087 transitions. [2020-12-23 04:19:32,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2020-12-23 04:19:32,820 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:32,820 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:19:32,821 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 04:19:32,821 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:32,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:32,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1105193589, now seen corresponding path program 1 times [2020-12-23 04:19:32,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:32,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867000263] [2020-12-23 04:19:32,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:33,692 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 369 proven. 195 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2020-12-23 04:19:33,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867000263] [2020-12-23 04:19:33,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017263169] [2020-12-23 04:19:33,693 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 04:19:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:33,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 04:19:33,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:19:34,898 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2020-12-23 04:19:34,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:19:34,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2020-12-23 04:19:34,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380071131] [2020-12-23 04:19:34,901 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:19:34,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:34,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:19:34,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-12-23 04:19:34,902 INFO L87 Difference]: Start difference. First operand 2852 states and 3087 transitions. Second operand 3 states. [2020-12-23 04:19:35,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:35,538 INFO L93 Difference]: Finished difference Result 5702 states and 6186 transitions. [2020-12-23 04:19:35,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:19:35,538 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 480 [2020-12-23 04:19:35,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:35,553 INFO L225 Difference]: With dead ends: 5702 [2020-12-23 04:19:35,553 INFO L226 Difference]: Without dead ends: 3030 [2020-12-23 04:19:35,557 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 479 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-12-23 04:19:35,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2020-12-23 04:19:35,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 3030. [2020-12-23 04:19:35,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2020-12-23 04:19:35,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3262 transitions. [2020-12-23 04:19:35,623 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3262 transitions. Word has length 480 [2020-12-23 04:19:35,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:35,624 INFO L481 AbstractCegarLoop]: Abstraction has 3030 states and 3262 transitions. [2020-12-23 04:19:35,624 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:19:35,624 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3262 transitions. [2020-12-23 04:19:35,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2020-12-23 04:19:35,631 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:35,632 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:19:35,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-23 04:19:35,838 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:35,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:35,838 INFO L82 PathProgramCache]: Analyzing trace with hash 20778745, now seen corresponding path program 1 times [2020-12-23 04:19:35,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:35,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859894912] [2020-12-23 04:19:35,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:36,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1101 backedges. 757 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2020-12-23 04:19:36,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859894912] [2020-12-23 04:19:36,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 04:19:36,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 04:19:36,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643287683] [2020-12-23 04:19:36,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:19:36,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:36,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:19:36,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 04:19:36,440 INFO L87 Difference]: Start difference. First operand 3030 states and 3262 transitions. Second operand 3 states. [2020-12-23 04:19:37,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:37,110 INFO L93 Difference]: Finished difference Result 7304 states and 7933 transitions. [2020-12-23 04:19:37,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:19:37,110 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 610 [2020-12-23 04:19:37,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:37,137 INFO L225 Difference]: With dead ends: 7304 [2020-12-23 04:19:37,138 INFO L226 Difference]: Without dead ends: 4454 [2020-12-23 04:19:37,145 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 04:19:37,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4454 states. [2020-12-23 04:19:37,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4454 to 4454. [2020-12-23 04:19:37,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4454 states. [2020-12-23 04:19:37,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4454 states to 4454 states and 4756 transitions. [2020-12-23 04:19:37,244 INFO L78 Accepts]: Start accepts. Automaton has 4454 states and 4756 transitions. Word has length 610 [2020-12-23 04:19:37,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:37,245 INFO L481 AbstractCegarLoop]: Abstraction has 4454 states and 4756 transitions. [2020-12-23 04:19:37,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:19:37,245 INFO L276 IsEmpty]: Start isEmpty. Operand 4454 states and 4756 transitions. [2020-12-23 04:19:37,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2020-12-23 04:19:37,254 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:37,255 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 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 04:19:37,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 04:19:37,256 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:37,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:37,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1308583808, now seen corresponding path program 1 times [2020-12-23 04:19:37,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:37,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650464977] [2020-12-23 04:19:37,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:38,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1688 backedges. 1189 proven. 155 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2020-12-23 04:19:38,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650464977] [2020-12-23 04:19:38,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386438783] [2020-12-23 04:19:38,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:19:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:38,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 968 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 04:19:38,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:19:39,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1688 backedges. 573 proven. 0 refuted. 0 times theorem prover too weak. 1115 trivial. 0 not checked. [2020-12-23 04:19:39,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:19:39,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-23 04:19:39,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204547453] [2020-12-23 04:19:39,291 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 04:19:39,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:39,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 04:19:39,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:19:39,294 INFO L87 Difference]: Start difference. First operand 4454 states and 4756 transitions. Second operand 4 states. [2020-12-23 04:19:40,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:40,273 INFO L93 Difference]: Finished difference Result 9440 states and 10175 transitions. [2020-12-23 04:19:40,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 04:19:40,274 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 765 [2020-12-23 04:19:40,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:40,297 INFO L225 Difference]: With dead ends: 9440 [2020-12-23 04:19:40,298 INFO L226 Difference]: Without dead ends: 5166 [2020-12-23 04:19:40,304 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 768 GetRequests, 764 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-23 04:19:40,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5166 states. [2020-12-23 04:19:40,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5166 to 5166. [2020-12-23 04:19:40,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5166 states. [2020-12-23 04:19:40,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 5549 transitions. [2020-12-23 04:19:40,400 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 5549 transitions. Word has length 765 [2020-12-23 04:19:40,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:40,400 INFO L481 AbstractCegarLoop]: Abstraction has 5166 states and 5549 transitions. [2020-12-23 04:19:40,401 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 04:19:40,401 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 5549 transitions. [2020-12-23 04:19:40,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2020-12-23 04:19:40,411 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:40,411 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 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 04:19:40,624 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-23 04:19:40,625 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:40,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:40,626 INFO L82 PathProgramCache]: Analyzing trace with hash 979607870, now seen corresponding path program 1 times [2020-12-23 04:19:40,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:40,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147159644] [2020-12-23 04:19:40,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:41,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1703 backedges. 1204 proven. 155 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2020-12-23 04:19:41,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147159644] [2020-12-23 04:19:41,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078889009] [2020-12-23 04:19:41,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:19:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:41,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 04:19:41,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:19:42,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1703 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2020-12-23 04:19:42,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:19:42,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-12-23 04:19:42,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767172153] [2020-12-23 04:19:42,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:19:42,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:42,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:19:42,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 04:19:42,535 INFO L87 Difference]: Start difference. First operand 5166 states and 5549 transitions. Second operand 3 states. [2020-12-23 04:19:43,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:43,212 INFO L93 Difference]: Finished difference Result 6058 states and 6488 transitions. [2020-12-23 04:19:43,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:19:43,213 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 768 [2020-12-23 04:19:43,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:43,230 INFO L225 Difference]: With dead ends: 6058 [2020-12-23 04:19:43,231 INFO L226 Difference]: Without dead ends: 6056 [2020-12-23 04:19:43,232 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 771 GetRequests, 768 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 04:19:43,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6056 states. [2020-12-23 04:19:43,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6056 to 5166. [2020-12-23 04:19:43,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5166 states. [2020-12-23 04:19:43,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 5549 transitions. [2020-12-23 04:19:43,327 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 5549 transitions. Word has length 768 [2020-12-23 04:19:43,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:43,328 INFO L481 AbstractCegarLoop]: Abstraction has 5166 states and 5549 transitions. [2020-12-23 04:19:43,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:19:43,328 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 5549 transitions. [2020-12-23 04:19:43,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 775 [2020-12-23 04:19:43,338 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:43,339 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 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 04:19:43,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:19:43,553 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:43,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:43,554 INFO L82 PathProgramCache]: Analyzing trace with hash 2044487759, now seen corresponding path program 1 times [2020-12-23 04:19:43,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:43,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094518797] [2020-12-23 04:19:43,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:44,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1733 backedges. 1234 proven. 155 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2020-12-23 04:19:44,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094518797] [2020-12-23 04:19:44,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981952343] [2020-12-23 04:19:44,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:19:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:44,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 04:19:44,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:19:45,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1733 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 1554 trivial. 0 not checked. [2020-12-23 04:19:45,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:19:45,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-12-23 04:19:45,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491366229] [2020-12-23 04:19:45,359 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:19:45,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:45,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:19:45,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 04:19:45,360 INFO L87 Difference]: Start difference. First operand 5166 states and 5549 transitions. Second operand 3 states. [2020-12-23 04:19:46,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:46,026 INFO L93 Difference]: Finished difference Result 5346 states and 5739 transitions. [2020-12-23 04:19:46,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:19:46,026 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 774 [2020-12-23 04:19:46,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:46,053 INFO L225 Difference]: With dead ends: 5346 [2020-12-23 04:19:46,053 INFO L226 Difference]: Without dead ends: 5344 [2020-12-23 04:19:46,056 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 777 GetRequests, 774 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 04:19:46,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5344 states. [2020-12-23 04:19:46,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5344 to 5166. [2020-12-23 04:19:46,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5166 states. [2020-12-23 04:19:46,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5166 states to 5166 states and 5548 transitions. [2020-12-23 04:19:46,141 INFO L78 Accepts]: Start accepts. Automaton has 5166 states and 5548 transitions. Word has length 774 [2020-12-23 04:19:46,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:46,142 INFO L481 AbstractCegarLoop]: Abstraction has 5166 states and 5548 transitions. [2020-12-23 04:19:46,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:19:46,142 INFO L276 IsEmpty]: Start isEmpty. Operand 5166 states and 5548 transitions. [2020-12-23 04:19:46,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 787 [2020-12-23 04:19:46,152 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:46,153 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 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 04:19:46,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-23 04:19:46,367 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:46,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:46,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1254496881, now seen corresponding path program 1 times [2020-12-23 04:19:46,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:46,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906266438] [2020-12-23 04:19:46,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:47,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1793 backedges. 1294 proven. 155 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2020-12-23 04:19:47,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906266438] [2020-12-23 04:19:47,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802992348] [2020-12-23 04:19:47,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:19:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:47,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 991 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 04:19:47,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:19:48,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1793 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 1614 trivial. 0 not checked. [2020-12-23 04:19:48,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:19:48,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-12-23 04:19:48,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59340414] [2020-12-23 04:19:48,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:19:48,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:48,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:19:48,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 04:19:48,382 INFO L87 Difference]: Start difference. First operand 5166 states and 5548 transitions. Second operand 3 states. [2020-12-23 04:19:48,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:48,996 INFO L93 Difference]: Finished difference Result 10864 states and 11663 transitions. [2020-12-23 04:19:48,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:19:48,997 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 786 [2020-12-23 04:19:48,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:49,021 INFO L225 Difference]: With dead ends: 10864 [2020-12-23 04:19:49,022 INFO L226 Difference]: Without dead ends: 4276 [2020-12-23 04:19:49,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 789 GetRequests, 786 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 04:19:49,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2020-12-23 04:19:49,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 4276. [2020-12-23 04:19:49,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4276 states. [2020-12-23 04:19:49,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4276 states to 4276 states and 4524 transitions. [2020-12-23 04:19:49,105 INFO L78 Accepts]: Start accepts. Automaton has 4276 states and 4524 transitions. Word has length 786 [2020-12-23 04:19:49,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:49,106 INFO L481 AbstractCegarLoop]: Abstraction has 4276 states and 4524 transitions. [2020-12-23 04:19:49,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:19:49,106 INFO L276 IsEmpty]: Start isEmpty. Operand 4276 states and 4524 transitions. [2020-12-23 04:19:49,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 942 [2020-12-23 04:19:49,120 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:49,121 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 04:19:49,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:19:49,336 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:49,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:49,337 INFO L82 PathProgramCache]: Analyzing trace with hash -447805660, now seen corresponding path program 1 times [2020-12-23 04:19:49,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:49,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603997388] [2020-12-23 04:19:49,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:50,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 1842 proven. 155 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2020-12-23 04:19:50,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603997388] [2020-12-23 04:19:50,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420928852] [2020-12-23 04:19:50,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:19:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:50,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 1165 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 04:19:50,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:19:51,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 1842 proven. 155 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2020-12-23 04:19:51,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 04:19:51,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-12-23 04:19:51,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610365807] [2020-12-23 04:19:51,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 04:19:51,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:51,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 04:19:51,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 04:19:51,713 INFO L87 Difference]: Start difference. First operand 4276 states and 4524 transitions. Second operand 4 states. [2020-12-23 04:19:52,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:52,595 INFO L93 Difference]: Finished difference Result 9262 states and 9799 transitions. [2020-12-23 04:19:52,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 04:19:52,596 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 941 [2020-12-23 04:19:52,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:52,607 INFO L225 Difference]: With dead ends: 9262 [2020-12-23 04:19:52,607 INFO L226 Difference]: Without dead ends: 5166 [2020-12-23 04:19:52,613 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 944 GetRequests, 942 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 04:19:52,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5166 states. [2020-12-23 04:19:52,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5166 to 4810. [2020-12-23 04:19:52,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4810 states. [2020-12-23 04:19:52,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4810 states to 4810 states and 5082 transitions. [2020-12-23 04:19:52,719 INFO L78 Accepts]: Start accepts. Automaton has 4810 states and 5082 transitions. Word has length 941 [2020-12-23 04:19:52,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:52,720 INFO L481 AbstractCegarLoop]: Abstraction has 4810 states and 5082 transitions. [2020-12-23 04:19:52,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 04:19:52,720 INFO L276 IsEmpty]: Start isEmpty. Operand 4810 states and 5082 transitions. [2020-12-23 04:19:52,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 993 [2020-12-23 04:19:52,736 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 04:19:52,739 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-23 04:19:52,953 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-12-23 04:19:52,953 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 04:19:52,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 04:19:52,955 INFO L82 PathProgramCache]: Analyzing trace with hash -96827813, now seen corresponding path program 1 times [2020-12-23 04:19:52,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 04:19:52,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745005752] [2020-12-23 04:19:52,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 04:19:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:54,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2966 backedges. 2101 proven. 260 refuted. 0 times theorem prover too weak. 605 trivial. 0 not checked. [2020-12-23 04:19:54,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745005752] [2020-12-23 04:19:54,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309393922] [2020-12-23 04:19:54,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 04:19:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 04:19:54,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 1236 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 04:19:54,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 04:19:56,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2966 backedges. 2152 proven. 0 refuted. 0 times theorem prover too weak. 814 trivial. 0 not checked. [2020-12-23 04:19:56,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 04:19:56,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-12-23 04:19:56,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378792668] [2020-12-23 04:19:56,208 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 04:19:56,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 04:19:56,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 04:19:56,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-23 04:19:56,209 INFO L87 Difference]: Start difference. First operand 4810 states and 5082 transitions. Second operand 3 states. [2020-12-23 04:19:56,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 04:19:56,845 INFO L93 Difference]: Finished difference Result 9616 states and 10167 transitions. [2020-12-23 04:19:56,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 04:19:56,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 992 [2020-12-23 04:19:56,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 04:19:56,846 INFO L225 Difference]: With dead ends: 9616 [2020-12-23 04:19:56,847 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 04:19:56,855 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 996 GetRequests, 991 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-23 04:19:56,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 04:19:56,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 04:19:56,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 04:19:56,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 04:19:56,856 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 992 [2020-12-23 04:19:56,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 04:19:56,857 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 04:19:56,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 04:19:56,857 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 04:19:56,857 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 04:19:57,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-12-23 04:19:57,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 04:19:57,344 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 29 [2020-12-23 04:19:57,500 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 29 [2020-12-23 04:19:57,505 INFO L189 CegarLoopUtils]: For program point L762(lines 762 880) no Hoare annotation was computed. [2020-12-23 04:19:57,505 INFO L189 CegarLoopUtils]: For program point L895(line 895) no Hoare annotation was computed. [2020-12-23 04:19:57,505 INFO L189 CegarLoopUtils]: For program point L829(lines 829 880) no Hoare annotation was computed. [2020-12-23 04:19:57,505 INFO L189 CegarLoopUtils]: For program point L631(lines 631 880) no Hoare annotation was computed. [2020-12-23 04:19:57,505 INFO L189 CegarLoopUtils]: For program point L565(lines 565 880) no Hoare annotation was computed. [2020-12-23 04:19:57,505 INFO L189 CegarLoopUtils]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,505 INFO L189 CegarLoopUtils]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,505 INFO L189 CegarLoopUtils]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,505 INFO L189 CegarLoopUtils]: For program point L698(lines 698 880) no Hoare annotation was computed. [2020-12-23 04:19:57,506 INFO L189 CegarLoopUtils]: For program point L500(lines 500 880) no Hoare annotation was computed. [2020-12-23 04:19:57,506 INFO L189 CegarLoopUtils]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-23 04:19:57,506 INFO L189 CegarLoopUtils]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-23 04:19:57,506 INFO L189 CegarLoopUtils]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-23 04:19:57,506 INFO L189 CegarLoopUtils]: For program point L369(lines 369 880) no Hoare annotation was computed. [2020-12-23 04:19:57,506 INFO L189 CegarLoopUtils]: For program point L303(lines 303 880) no Hoare annotation was computed. [2020-12-23 04:19:57,506 INFO L189 CegarLoopUtils]: For program point L436(lines 436 880) no Hoare annotation was computed. [2020-12-23 04:19:57,506 INFO L189 CegarLoopUtils]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,506 INFO L189 CegarLoopUtils]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,506 INFO L189 CegarLoopUtils]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,506 INFO L189 CegarLoopUtils]: For program point L239(lines 239 880) no Hoare annotation was computed. [2020-12-23 04:19:57,506 INFO L189 CegarLoopUtils]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-23 04:19:57,507 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-23 04:19:57,507 INFO L189 CegarLoopUtils]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-23 04:19:57,507 INFO L189 CegarLoopUtils]: For program point L768(lines 768 880) no Hoare annotation was computed. [2020-12-23 04:19:57,507 INFO L189 CegarLoopUtils]: For program point L636(lines 636 880) no Hoare annotation was computed. [2020-12-23 04:19:57,507 INFO L189 CegarLoopUtils]: For program point L835(lines 835 880) no Hoare annotation was computed. [2020-12-23 04:19:57,507 INFO L189 CegarLoopUtils]: For program point L571(lines 571 880) no Hoare annotation was computed. [2020-12-23 04:19:57,507 INFO L189 CegarLoopUtils]: For program point L505(lines 505 880) no Hoare annotation was computed. [2020-12-23 04:19:57,507 INFO L189 CegarLoopUtils]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,507 INFO L189 CegarLoopUtils]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,507 INFO L189 CegarLoopUtils]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,507 INFO L189 CegarLoopUtils]: For program point L704(lines 704 880) no Hoare annotation was computed. [2020-12-23 04:19:57,507 INFO L189 CegarLoopUtils]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-23 04:19:57,508 INFO L189 CegarLoopUtils]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-23 04:19:57,508 INFO L189 CegarLoopUtils]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-23 04:19:57,508 INFO L189 CegarLoopUtils]: For program point L309(lines 309 880) no Hoare annotation was computed. [2020-12-23 04:19:57,508 INFO L189 CegarLoopUtils]: For program point L442(lines 442 880) no Hoare annotation was computed. [2020-12-23 04:19:57,508 INFO L189 CegarLoopUtils]: For program point L376(lines 376 880) no Hoare annotation was computed. [2020-12-23 04:19:57,509 INFO L189 CegarLoopUtils]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,509 INFO L189 CegarLoopUtils]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,510 INFO L189 CegarLoopUtils]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,510 INFO L189 CegarLoopUtils]: For program point L245(lines 245 880) no Hoare annotation was computed. [2020-12-23 04:19:57,510 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-23 04:19:57,511 INFO L189 CegarLoopUtils]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-23 04:19:57,511 INFO L189 CegarLoopUtils]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-23 04:19:57,511 INFO L189 CegarLoopUtils]: For program point L774(lines 774 880) no Hoare annotation was computed. [2020-12-23 04:19:57,511 INFO L189 CegarLoopUtils]: For program point L642(lines 642 880) no Hoare annotation was computed. [2020-12-23 04:19:57,511 INFO L189 CegarLoopUtils]: For program point L510(lines 510 880) no Hoare annotation was computed. [2020-12-23 04:19:57,511 INFO L189 CegarLoopUtils]: For program point L841(lines 841 880) no Hoare annotation was computed. [2020-12-23 04:19:57,512 INFO L189 CegarLoopUtils]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,512 INFO L189 CegarLoopUtils]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,512 INFO L189 CegarLoopUtils]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,512 INFO L189 CegarLoopUtils]: For program point L710(lines 710 880) no Hoare annotation was computed. [2020-12-23 04:19:57,512 INFO L189 CegarLoopUtils]: For program point L578(lines 578 880) no Hoare annotation was computed. [2020-12-23 04:19:57,512 INFO L189 CegarLoopUtils]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-23 04:19:57,512 INFO L189 CegarLoopUtils]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-23 04:19:57,512 INFO L189 CegarLoopUtils]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-23 04:19:57,512 INFO L189 CegarLoopUtils]: For program point L315(lines 315 880) no Hoare annotation was computed. [2020-12-23 04:19:57,512 INFO L189 CegarLoopUtils]: For program point L448(lines 448 880) no Hoare annotation was computed. [2020-12-23 04:19:57,512 INFO L189 CegarLoopUtils]: For program point L382(lines 382 880) no Hoare annotation was computed. [2020-12-23 04:19:57,512 INFO L189 CegarLoopUtils]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,513 INFO L189 CegarLoopUtils]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,513 INFO L189 CegarLoopUtils]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,513 INFO L189 CegarLoopUtils]: For program point L251(lines 251 880) no Hoare annotation was computed. [2020-12-23 04:19:57,513 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-23 04:19:57,513 INFO L189 CegarLoopUtils]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-23 04:19:57,513 INFO L189 CegarLoopUtils]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-23 04:19:57,513 INFO L189 CegarLoopUtils]: For program point L648(lines 648 880) no Hoare annotation was computed. [2020-12-23 04:19:57,513 INFO L189 CegarLoopUtils]: For program point L516(lines 516 880) no Hoare annotation was computed. [2020-12-23 04:19:57,513 INFO L189 CegarLoopUtils]: For program point L847(lines 847 880) no Hoare annotation was computed. [2020-12-23 04:19:57,513 INFO L189 CegarLoopUtils]: For program point L781(lines 781 880) no Hoare annotation was computed. [2020-12-23 04:19:57,513 INFO L189 CegarLoopUtils]: For program point L583(lines 583 880) no Hoare annotation was computed. [2020-12-23 04:19:57,514 INFO L189 CegarLoopUtils]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,514 INFO L189 CegarLoopUtils]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,514 INFO L189 CegarLoopUtils]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,514 INFO L189 CegarLoopUtils]: For program point L716(lines 716 880) no Hoare annotation was computed. [2020-12-23 04:19:57,514 INFO L189 CegarLoopUtils]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-23 04:19:57,515 INFO L189 CegarLoopUtils]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-23 04:19:57,515 INFO L189 CegarLoopUtils]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-23 04:19:57,515 INFO L189 CegarLoopUtils]: For program point L321(lines 321 880) no Hoare annotation was computed. [2020-12-23 04:19:57,515 INFO L189 CegarLoopUtils]: For program point L454(lines 454 880) no Hoare annotation was computed. [2020-12-23 04:19:57,515 INFO L189 CegarLoopUtils]: For program point L388(lines 388 880) no Hoare annotation was computed. [2020-12-23 04:19:57,515 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 04:19:57,515 INFO L189 CegarLoopUtils]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,515 INFO L189 CegarLoopUtils]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,515 INFO L189 CegarLoopUtils]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,515 INFO L189 CegarLoopUtils]: For program point L257(lines 257 880) no Hoare annotation was computed. [2020-12-23 04:19:57,515 INFO L189 CegarLoopUtils]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-23 04:19:57,516 INFO L189 CegarLoopUtils]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-23 04:19:57,516 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-23 04:19:57,516 INFO L189 CegarLoopUtils]: For program point L852(lines 852 880) no Hoare annotation was computed. [2020-12-23 04:19:57,516 INFO L189 CegarLoopUtils]: For program point L654(lines 654 880) no Hoare annotation was computed. [2020-12-23 04:19:57,516 INFO L189 CegarLoopUtils]: For program point L522(lines 522 880) no Hoare annotation was computed. [2020-12-23 04:19:57,516 INFO L189 CegarLoopUtils]: For program point L787(lines 787 880) no Hoare annotation was computed. [2020-12-23 04:19:57,518 INFO L189 CegarLoopUtils]: For program point L589(lines 589 880) no Hoare annotation was computed. [2020-12-23 04:19:57,518 INFO L189 CegarLoopUtils]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,518 INFO L189 CegarLoopUtils]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,518 INFO L189 CegarLoopUtils]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,519 INFO L189 CegarLoopUtils]: For program point L722(lines 722 880) no Hoare annotation was computed. [2020-12-23 04:19:57,519 INFO L189 CegarLoopUtils]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-23 04:19:57,519 INFO L189 CegarLoopUtils]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-23 04:19:57,519 INFO L189 CegarLoopUtils]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-23 04:19:57,519 INFO L189 CegarLoopUtils]: For program point L459(lines 459 880) no Hoare annotation was computed. [2020-12-23 04:19:57,519 INFO L189 CegarLoopUtils]: For program point L327(lines 327 880) no Hoare annotation was computed. [2020-12-23 04:19:57,519 INFO L189 CegarLoopUtils]: For program point L394(lines 394 880) no Hoare annotation was computed. [2020-12-23 04:19:57,519 INFO L189 CegarLoopUtils]: For program point L262(lines 262 880) no Hoare annotation was computed. [2020-12-23 04:19:57,519 INFO L189 CegarLoopUtils]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,520 INFO L189 CegarLoopUtils]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,520 INFO L189 CegarLoopUtils]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,520 INFO L189 CegarLoopUtils]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-23 04:19:57,520 INFO L189 CegarLoopUtils]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-23 04:19:57,520 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-23 04:19:57,521 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 04:19:57,521 INFO L189 CegarLoopUtils]: For program point L858(lines 858 880) no Hoare annotation was computed. [2020-12-23 04:19:57,521 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 110) no Hoare annotation was computed. [2020-12-23 04:19:57,521 INFO L189 CegarLoopUtils]: For program point L660(lines 660 880) no Hoare annotation was computed. [2020-12-23 04:19:57,521 INFO L189 CegarLoopUtils]: For program point L528(lines 528 880) no Hoare annotation was computed. [2020-12-23 04:19:57,521 INFO L189 CegarLoopUtils]: For program point L793(lines 793 880) no Hoare annotation was computed. [2020-12-23 04:19:57,521 INFO L189 CegarLoopUtils]: For program point L595(lines 595 880) no Hoare annotation was computed. [2020-12-23 04:19:57,521 INFO L189 CegarLoopUtils]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,521 INFO L189 CegarLoopUtils]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,521 INFO L189 CegarLoopUtils]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,522 INFO L189 CegarLoopUtils]: For program point L728(lines 728 880) no Hoare annotation was computed. [2020-12-23 04:19:57,522 INFO L189 CegarLoopUtils]: For program point L464(lines 464 880) no Hoare annotation was computed. [2020-12-23 04:19:57,522 INFO L189 CegarLoopUtils]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-23 04:19:57,522 INFO L189 CegarLoopUtils]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-23 04:19:57,522 INFO L189 CegarLoopUtils]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-23 04:19:57,522 INFO L189 CegarLoopUtils]: For program point L333(lines 333 880) no Hoare annotation was computed. [2020-12-23 04:19:57,522 INFO L189 CegarLoopUtils]: For program point L400(lines 400 880) no Hoare annotation was computed. [2020-12-23 04:19:57,522 INFO L189 CegarLoopUtils]: For program point L268(lines 268 880) no Hoare annotation was computed. [2020-12-23 04:19:57,522 INFO L189 CegarLoopUtils]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,522 INFO L189 CegarLoopUtils]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,522 INFO L189 CegarLoopUtils]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,522 INFO L189 CegarLoopUtils]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-23 04:19:57,523 INFO L189 CegarLoopUtils]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-23 04:19:57,523 INFO L189 CegarLoopUtils]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-23 04:19:57,523 INFO L189 CegarLoopUtils]: For program point L864(lines 864 880) no Hoare annotation was computed. [2020-12-23 04:19:57,523 INFO L189 CegarLoopUtils]: For program point L666(lines 666 880) no Hoare annotation was computed. [2020-12-23 04:19:57,523 INFO L189 CegarLoopUtils]: For program point L534(lines 534 880) no Hoare annotation was computed. [2020-12-23 04:19:57,523 INFO L189 CegarLoopUtils]: For program point L799(lines 799 880) no Hoare annotation was computed. [2020-12-23 04:19:57,523 INFO L189 CegarLoopUtils]: For program point L601(lines 601 880) no Hoare annotation was computed. [2020-12-23 04:19:57,523 INFO L189 CegarLoopUtils]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,523 INFO L189 CegarLoopUtils]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,523 INFO L189 CegarLoopUtils]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,523 INFO L189 CegarLoopUtils]: For program point L734(lines 734 880) no Hoare annotation was computed. [2020-12-23 04:19:57,524 INFO L189 CegarLoopUtils]: For program point L470(lines 470 880) no Hoare annotation was computed. [2020-12-23 04:19:57,524 INFO L189 CegarLoopUtils]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-23 04:19:57,524 INFO L189 CegarLoopUtils]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-23 04:19:57,524 INFO L189 CegarLoopUtils]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-23 04:19:57,524 INFO L189 CegarLoopUtils]: For program point L339(lines 339 880) no Hoare annotation was computed. [2020-12-23 04:19:57,524 INFO L189 CegarLoopUtils]: For program point L406(lines 406 880) no Hoare annotation was computed. [2020-12-23 04:19:57,524 INFO L189 CegarLoopUtils]: For program point L274(lines 274 880) no Hoare annotation was computed. [2020-12-23 04:19:57,524 INFO L189 CegarLoopUtils]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,524 INFO L189 CegarLoopUtils]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,524 INFO L189 CegarLoopUtils]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,524 INFO L189 CegarLoopUtils]: For program point L869(lines 869 880) no Hoare annotation was computed. [2020-12-23 04:19:57,524 INFO L189 CegarLoopUtils]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-23 04:19:57,525 INFO L189 CegarLoopUtils]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-23 04:19:57,525 INFO L189 CegarLoopUtils]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-23 04:19:57,525 INFO L189 CegarLoopUtils]: For program point L672(lines 672 880) no Hoare annotation was computed. [2020-12-23 04:19:57,525 INFO L189 CegarLoopUtils]: For program point L540(lines 540 880) no Hoare annotation was computed. [2020-12-23 04:19:57,525 INFO L189 CegarLoopUtils]: For program point L805(lines 805 880) no Hoare annotation was computed. [2020-12-23 04:19:57,525 INFO L189 CegarLoopUtils]: For program point L607(lines 607 880) no Hoare annotation was computed. [2020-12-23 04:19:57,525 INFO L189 CegarLoopUtils]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,525 INFO L189 CegarLoopUtils]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,525 INFO L189 CegarLoopUtils]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,525 INFO L189 CegarLoopUtils]: For program point L740(lines 740 880) no Hoare annotation was computed. [2020-12-23 04:19:57,525 INFO L189 CegarLoopUtils]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-23 04:19:57,525 INFO L189 CegarLoopUtils]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-23 04:19:57,526 INFO L189 CegarLoopUtils]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-23 04:19:57,526 INFO L189 CegarLoopUtils]: For program point L477(lines 477 880) no Hoare annotation was computed. [2020-12-23 04:19:57,526 INFO L189 CegarLoopUtils]: For program point L345(lines 345 880) no Hoare annotation was computed. [2020-12-23 04:19:57,526 INFO L189 CegarLoopUtils]: For program point L279(lines 279 880) no Hoare annotation was computed. [2020-12-23 04:19:57,526 INFO L189 CegarLoopUtils]: For program point L412(lines 412 880) no Hoare annotation was computed. [2020-12-23 04:19:57,526 INFO L189 CegarLoopUtils]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,526 INFO L189 CegarLoopUtils]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,526 INFO L189 CegarLoopUtils]: For program point L875(lines 875 880) no Hoare annotation was computed. [2020-12-23 04:19:57,526 INFO L189 CegarLoopUtils]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-23 04:19:57,526 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-23 04:19:57,526 INFO L189 CegarLoopUtils]: For program point L678(lines 678 880) no Hoare annotation was computed. [2020-12-23 04:19:57,526 INFO L189 CegarLoopUtils]: For program point L546(lines 546 880) no Hoare annotation was computed. [2020-12-23 04:19:57,527 INFO L189 CegarLoopUtils]: For program point L811(lines 811 880) no Hoare annotation was computed. [2020-12-23 04:19:57,527 INFO L189 CegarLoopUtils]: For program point L745(lines 745 880) no Hoare annotation was computed. [2020-12-23 04:19:57,527 INFO L189 CegarLoopUtils]: For program point L613(lines 613 880) no Hoare annotation was computed. [2020-12-23 04:19:57,527 INFO L189 CegarLoopUtils]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,527 INFO L189 CegarLoopUtils]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,527 INFO L189 CegarLoopUtils]: For program point L482(lines 482 880) no Hoare annotation was computed. [2020-12-23 04:19:57,527 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 04:19:57,527 INFO L189 CegarLoopUtils]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-23 04:19:57,527 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-23 04:19:57,527 INFO L189 CegarLoopUtils]: For program point L351(lines 351 880) no Hoare annotation was computed. [2020-12-23 04:19:57,527 INFO L189 CegarLoopUtils]: For program point L285(lines 285 880) no Hoare annotation was computed. [2020-12-23 04:19:57,527 INFO L189 CegarLoopUtils]: For program point L418(lines 418 880) no Hoare annotation was computed. [2020-12-23 04:19:57,528 INFO L189 CegarLoopUtils]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,528 INFO L189 CegarLoopUtils]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,528 INFO L185 CegarLoopUtils]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse2 (< 0 (+ ~a12~0 43))) (.cse1 (= ~a24~0 1)) (.cse4 (<= ~a21~0 7)) (.cse0 (<= ~a15~0 5)) (.cse3 (<= ~a12~0 11))) (or (and .cse0 .cse1) (and (<= 7 ~a15~0) .cse1) (and .cse2 .cse3 .cse1) (and .cse4 .cse2 (<= ~a24~0 1) (<= ~a15~0 8)) (and .cse1 (<= ~a21~0 9)) (and .cse4 .cse0 .cse3))) [2020-12-23 04:19:57,528 INFO L189 CegarLoopUtils]: For program point L551(lines 551 880) no Hoare annotation was computed. [2020-12-23 04:19:57,528 INFO L189 CegarLoopUtils]: For program point L221(lines 221 880) no Hoare annotation was computed. [2020-12-23 04:19:57,528 INFO L189 CegarLoopUtils]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-23 04:19:57,528 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-23 04:19:57,529 INFO L189 CegarLoopUtils]: For program point L684(lines 684 880) no Hoare annotation was computed. [2020-12-23 04:19:57,529 INFO L189 CegarLoopUtils]: For program point L817(lines 817 880) no Hoare annotation was computed. [2020-12-23 04:19:57,529 INFO L189 CegarLoopUtils]: For program point L751(lines 751 880) no Hoare annotation was computed. [2020-12-23 04:19:57,529 INFO L189 CegarLoopUtils]: For program point L619(lines 619 880) no Hoare annotation was computed. [2020-12-23 04:19:57,529 INFO L189 CegarLoopUtils]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,529 INFO L189 CegarLoopUtils]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,529 INFO L192 CegarLoopUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2020-12-23 04:19:57,529 INFO L189 CegarLoopUtils]: For program point L488(lines 488 880) no Hoare annotation was computed. [2020-12-23 04:19:57,529 INFO L189 CegarLoopUtils]: For program point L290(lines 290 880) no Hoare annotation was computed. [2020-12-23 04:19:57,529 INFO L189 CegarLoopUtils]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-23 04:19:57,529 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-23 04:19:57,529 INFO L189 CegarLoopUtils]: For program point L687(lines 687 880) no Hoare annotation was computed. [2020-12-23 04:19:57,530 INFO L189 CegarLoopUtils]: For program point L357(lines 357 880) no Hoare annotation was computed. [2020-12-23 04:19:57,530 INFO L189 CegarLoopUtils]: For program point L424(lines 424 880) no Hoare annotation was computed. [2020-12-23 04:19:57,530 INFO L189 CegarLoopUtils]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,530 INFO L189 CegarLoopUtils]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,530 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 04:19:57,530 INFO L189 CegarLoopUtils]: For program point L557(lines 557 880) no Hoare annotation was computed. [2020-12-23 04:19:57,530 INFO L189 CegarLoopUtils]: For program point L227(lines 227 880) no Hoare annotation was computed. [2020-12-23 04:19:57,530 INFO L189 CegarLoopUtils]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-23 04:19:57,530 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-23 04:19:57,530 INFO L189 CegarLoopUtils]: For program point L757(lines 757 880) no Hoare annotation was computed. [2020-12-23 04:19:57,530 INFO L189 CegarLoopUtils]: For program point L625(lines 625 880) no Hoare annotation was computed. [2020-12-23 04:19:57,530 INFO L189 CegarLoopUtils]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,531 INFO L189 CegarLoopUtils]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,531 INFO L189 CegarLoopUtils]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-23 04:19:57,531 INFO L189 CegarLoopUtils]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,531 INFO L189 CegarLoopUtils]: For program point L824(lines 824 880) no Hoare annotation was computed. [2020-12-23 04:19:57,533 INFO L185 CegarLoopUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse2 (< 0 (+ ~a12~0 43))) (.cse1 (= ~a24~0 1)) (.cse4 (<= ~a21~0 7)) (.cse0 (<= ~a15~0 5)) (.cse3 (<= ~a12~0 11))) (or (and .cse0 .cse1) (and (<= 7 ~a15~0) .cse1) (and .cse2 .cse3 .cse1) (and .cse4 .cse2 (<= ~a24~0 1) (<= ~a15~0 8)) (and .cse1 (<= ~a21~0 9)) (and .cse4 .cse0 .cse3))) [2020-12-23 04:19:57,533 INFO L189 CegarLoopUtils]: For program point L494(lines 494 880) no Hoare annotation was computed. [2020-12-23 04:19:57,534 INFO L189 CegarLoopUtils]: For program point L296(lines 296 880) no Hoare annotation was computed. [2020-12-23 04:19:57,534 INFO L189 CegarLoopUtils]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-23 04:19:57,534 INFO L189 CegarLoopUtils]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-23 04:19:57,534 INFO L189 CegarLoopUtils]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-23 04:19:57,534 INFO L189 CegarLoopUtils]: For program point L693(lines 693 880) no Hoare annotation was computed. [2020-12-23 04:19:57,534 INFO L189 CegarLoopUtils]: For program point L363(lines 363 880) no Hoare annotation was computed. [2020-12-23 04:19:57,534 INFO L189 CegarLoopUtils]: For program point L562(lines 562 880) no Hoare annotation was computed. [2020-12-23 04:19:57,534 INFO L189 CegarLoopUtils]: For program point L430(lines 430 880) no Hoare annotation was computed. [2020-12-23 04:19:57,534 INFO L189 CegarLoopUtils]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,534 INFO L189 CegarLoopUtils]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,535 INFO L189 CegarLoopUtils]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2020-12-23 04:19:57,535 INFO L189 CegarLoopUtils]: For program point L233(lines 233 880) no Hoare annotation was computed. [2020-12-23 04:19:57,535 INFO L189 CegarLoopUtils]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-23 04:19:57,535 INFO L189 CegarLoopUtils]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-23 04:19:57,535 INFO L189 CegarLoopUtils]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-23 04:19:57,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 04:19:57 BoogieIcfgContainer [2020-12-23 04:19:57,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 04:19:57,574 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 04:19:57,574 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 04:19:57,574 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 04:19:57,575 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:19:18" (3/4) ... [2020-12-23 04:19:57,579 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 04:19:57,621 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-23 04:19:57,622 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-23 04:19:57,624 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 04:19:57,626 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 04:19:57,832 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem14_label23.c-witness.graphml [2020-12-23 04:19:57,832 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 04:19:57,833 INFO L168 Benchmark]: Toolchain (without parser) took 42149.86 ms. Allocated memory was 156.2 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 135.5 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 351.4 MB. Max. memory is 8.0 GB. [2020-12-23 04:19:57,834 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 156.2 MB. Free memory is still 127.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 04:19:57,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 895.26 ms. Allocated memory is still 156.2 MB. Free memory was 135.2 MB in the beginning and 103.0 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. [2020-12-23 04:19:57,834 INFO L168 Benchmark]: Boogie Procedure Inliner took 210.56 ms. Allocated memory is still 156.2 MB. Free memory was 103.0 MB in the beginning and 128.6 MB in the end (delta: -25.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-23 04:19:57,835 INFO L168 Benchmark]: Boogie Preprocessor took 86.97 ms. Allocated memory is still 156.2 MB. Free memory was 128.6 MB in the beginning and 122.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-23 04:19:57,835 INFO L168 Benchmark]: RCFGBuilder took 1702.19 ms. Allocated memory was 156.2 MB in the beginning and 190.8 MB in the end (delta: 34.6 MB). Free memory was 121.8 MB in the beginning and 112.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 79.7 MB. Max. memory is 8.0 GB. [2020-12-23 04:19:57,836 INFO L168 Benchmark]: TraceAbstraction took 38985.65 ms. Allocated memory was 190.8 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 111.8 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 274.6 MB. Max. memory is 8.0 GB. [2020-12-23 04:19:57,836 INFO L168 Benchmark]: Witness Printer took 258.31 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2020-12-23 04:19:57,838 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 156.2 MB. Free memory is still 127.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 895.26 ms. Allocated memory is still 156.2 MB. Free memory was 135.2 MB in the beginning and 103.0 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 210.56 ms. Allocated memory is still 156.2 MB. Free memory was 103.0 MB in the beginning and 128.6 MB in the end (delta: -25.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 86.97 ms. Allocated memory is still 156.2 MB. Free memory was 128.6 MB in the beginning and 122.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1702.19 ms. Allocated memory was 156.2 MB in the beginning and 190.8 MB in the end (delta: 34.6 MB). Free memory was 121.8 MB in the beginning and 112.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 79.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 38985.65 ms. Allocated memory was 190.8 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 111.8 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 274.6 MB. Max. memory is 8.0 GB. * Witness Printer took 258.31 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 110]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((a15 <= 5 && a24 == 1) || (7 <= a15 && a24 == 1)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (((a21 <= 7 && 0 < a12 + 43) && a24 <= 1) && a15 <= 8)) || (a24 == 1 && a21 <= 9)) || ((a21 <= 7 && a15 <= 5) && a12 <= 11) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((a15 <= 5 && a24 == 1) || (7 <= a15 && a24 == 1)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (((a21 <= 7 && 0 < a12 + 43) && a24 <= 1) && a15 <= 8)) || (a24 == 1 && a21 <= 9)) || ((a21 <= 7 && a15 <= 5) && a12 <= 11) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 38.4s, OverallIterations: 17, TraceHistogramMax: 9, AutomataDifference: 14.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1519 SDtfs, 2093 SDslu, 92 SDs, 0 SdLazy, 8766 SolverSat, 1359 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5883 GetRequests, 5841 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5166occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 17 MinimizatonAttempts, 2318 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 83 NumberOfFragments, 119 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3278 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 734 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 11.3s InterpolantComputationTime, 14290 NumberOfCodeBlocks, 14290 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 14265 ConstructedInterpolants, 0 QuantifiedInterpolants, 24510067 SizeOfPredicates, 0 NumberOfNonLiveVariables, 7406 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 25 InterpolantComputations, 16 PerfectInterpolantSequences, 28803/30318 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...