/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/Problem02_label01.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 01:53:15,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 01:53:15,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 01:53:15,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 01:53:15,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 01:53:15,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 01:53:15,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 01:53:15,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 01:53:15,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 01:53:15,772 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 01:53:15,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 01:53:15,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 01:53:15,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 01:53:15,778 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 01:53:15,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 01:53:15,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 01:53:15,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 01:53:15,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 01:53:15,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 01:53:15,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 01:53:15,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 01:53:15,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 01:53:15,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 01:53:15,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 01:53:15,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 01:53:15,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 01:53:15,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 01:53:15,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 01:53:15,839 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 01:53:15,896 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 01:53:15,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 01:53:15,898 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 01:53:15,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 01:53:15,899 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 01:53:15,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 01:53:15,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 01:53:15,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 01:53:15,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 01:53:15,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 01:53:15,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 01:53:15,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 01:53:15,903 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 01:53:15,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 01:53:15,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 01:53:15,904 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 01:53:15,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 01:53:15,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 01:53:15,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 01:53:15,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 01:53:15,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 01:53:15,905 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 01:53:15,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 01:53:15,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 01:53:15,906 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 01:53:15,907 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 01:53:16,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 01:53:16,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 01:53:16,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 01:53:16,314 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 01:53:16,315 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 01:53:16,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label01.c [2020-12-23 01:53:16,406 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ddc032a77/f5f45b4847dc4baa83fc3ce12e9c45f1/FLAGe410b74ef [2020-12-23 01:53:17,168 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 01:53:17,168 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label01.c [2020-12-23 01:53:17,193 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ddc032a77/f5f45b4847dc4baa83fc3ce12e9c45f1/FLAGe410b74ef [2020-12-23 01:53:17,436 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ddc032a77/f5f45b4847dc4baa83fc3ce12e9c45f1 [2020-12-23 01:53:17,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 01:53:17,448 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 01:53:17,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 01:53:17,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 01:53:17,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 01:53:17,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:53:17" (1/1) ... [2020-12-23 01:53:17,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5249315a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:53:17, skipping insertion in model container [2020-12-23 01:53:17,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:53:17" (1/1) ... [2020-12-23 01:53:17,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 01:53:17,522 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] [2020-12-23 01:53:17,970 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/Problem02_label01.c[18261,18274] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2020-12-23 01:53:18,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:53:18,019 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a11~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a17~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a25~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a28~0,GLOBAL] [2020-12-23 01:53:18,129 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/Problem02_label01.c[18261,18274] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2020-12-23 01:53:18,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:53:18,168 INFO L208 MainTranslator]: Completed translation [2020-12-23 01:53:18,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:53:18 WrapperNode [2020-12-23 01:53:18,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 01:53:18,172 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 01:53:18,173 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 01:53:18,173 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 01:53:18,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:53:18" (1/1) ... [2020-12-23 01:53:18,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:53:18" (1/1) ... [2020-12-23 01:53:18,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 01:53:18,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 01:53:18,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 01:53:18,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 01:53:18,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:53:18" (1/1) ... [2020-12-23 01:53:18,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:53:18" (1/1) ... [2020-12-23 01:53:18,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:53:18" (1/1) ... [2020-12-23 01:53:18,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:53:18" (1/1) ... [2020-12-23 01:53:18,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:53:18" (1/1) ... [2020-12-23 01:53:18,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:53:18" (1/1) ... [2020-12-23 01:53:18,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:53:18" (1/1) ... [2020-12-23 01:53:18,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 01:53:18,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 01:53:18,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 01:53:18,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 01:53:18,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:53:18" (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 01:53:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 01:53:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 01:53:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 01:53:18,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 01:53:19,816 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 01:53:19,817 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-23 01:53:19,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:53:19 BoogieIcfgContainer [2020-12-23 01:53:19,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 01:53:19,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 01:53:19,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 01:53:19,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 01:53:19,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:53:17" (1/3) ... [2020-12-23 01:53:19,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57a4e7d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:53:19, skipping insertion in model container [2020-12-23 01:53:19,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:53:18" (2/3) ... [2020-12-23 01:53:19,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57a4e7d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:53:19, skipping insertion in model container [2020-12-23 01:53:19,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:53:19" (3/3) ... [2020-12-23 01:53:19,830 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label01.c [2020-12-23 01:53:19,837 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 01:53:19,843 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 01:53:19,865 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 01:53:19,896 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 01:53:19,897 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 01:53:19,897 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 01:53:19,897 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 01:53:19,897 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 01:53:19,897 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 01:53:19,897 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 01:53:19,898 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 01:53:19,920 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2020-12-23 01:53:19,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-12-23 01:53:19,933 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:53:19,934 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:53:19,935 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:53:19,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:53:19,942 INFO L82 PathProgramCache]: Analyzing trace with hash 394505643, now seen corresponding path program 1 times [2020-12-23 01:53:19,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:53:19,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104842698] [2020-12-23 01:53:19,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:53:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:53:20,537 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 01:53:20,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104842698] [2020-12-23 01:53:20,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:53:20,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:53:20,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722391219] [2020-12-23 01:53:20,546 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:53:20,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:53:20,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:53:20,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:53:20,566 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 3 states. [2020-12-23 01:53:21,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:53:21,664 INFO L93 Difference]: Finished difference Result 630 states and 1070 transitions. [2020-12-23 01:53:21,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:53:21,666 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-12-23 01:53:21,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:53:21,685 INFO L225 Difference]: With dead ends: 630 [2020-12-23 01:53:21,685 INFO L226 Difference]: Without dead ends: 318 [2020-12-23 01:53:21,691 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 01:53:21,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-12-23 01:53:21,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2020-12-23 01:53:21,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-12-23 01:53:21,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 467 transitions. [2020-12-23 01:53:21,766 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 467 transitions. Word has length 113 [2020-12-23 01:53:21,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:53:21,767 INFO L481 AbstractCegarLoop]: Abstraction has 318 states and 467 transitions. [2020-12-23 01:53:21,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:53:21,767 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 467 transitions. [2020-12-23 01:53:21,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-23 01:53:21,771 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:53:21,772 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:53:21,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 01:53:21,772 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:53:21,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:53:21,773 INFO L82 PathProgramCache]: Analyzing trace with hash -986251872, now seen corresponding path program 1 times [2020-12-23 01:53:21,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:53:21,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157175743] [2020-12-23 01:53:21,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:53:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:53:21,892 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:53:21,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157175743] [2020-12-23 01:53:21,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:53:21,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:53:21,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559005300] [2020-12-23 01:53:21,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:53:21,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:53:21,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:53:21,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:53:21,896 INFO L87 Difference]: Start difference. First operand 318 states and 467 transitions. Second operand 3 states. [2020-12-23 01:53:22,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:53:22,872 INFO L93 Difference]: Finished difference Result 919 states and 1357 transitions. [2020-12-23 01:53:22,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:53:22,873 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-12-23 01:53:22,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:53:22,878 INFO L225 Difference]: With dead ends: 919 [2020-12-23 01:53:22,878 INFO L226 Difference]: Without dead ends: 603 [2020-12-23 01:53:22,881 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 01:53:22,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2020-12-23 01:53:22,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 601. [2020-12-23 01:53:22,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2020-12-23 01:53:22,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 775 transitions. [2020-12-23 01:53:22,914 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 775 transitions. Word has length 117 [2020-12-23 01:53:22,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:53:22,915 INFO L481 AbstractCegarLoop]: Abstraction has 601 states and 775 transitions. [2020-12-23 01:53:22,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:53:22,915 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 775 transitions. [2020-12-23 01:53:22,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-12-23 01:53:22,920 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:53:22,921 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:53:22,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 01:53:22,921 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:53:22,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:53:22,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1153603445, now seen corresponding path program 1 times [2020-12-23 01:53:22,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:53:22,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865235743] [2020-12-23 01:53:22,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:53:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:53:23,054 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:53:23,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865235743] [2020-12-23 01:53:23,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219112589] [2020-12-23 01:53:23,056 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 01:53:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:53:23,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:53:23,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:53:23,447 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-23 01:53:23,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:53:23,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-12-23 01:53:23,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778115142] [2020-12-23 01:53:23,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:53:23,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:53:23,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:53:23,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:53:23,450 INFO L87 Difference]: Start difference. First operand 601 states and 775 transitions. Second operand 3 states. [2020-12-23 01:53:24,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:53:24,367 INFO L93 Difference]: Finished difference Result 1619 states and 2118 transitions. [2020-12-23 01:53:24,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:53:24,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-12-23 01:53:24,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:53:24,378 INFO L225 Difference]: With dead ends: 1619 [2020-12-23 01:53:24,379 INFO L226 Difference]: Without dead ends: 1020 [2020-12-23 01:53:24,381 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:53:24,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2020-12-23 01:53:24,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 739. [2020-12-23 01:53:24,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2020-12-23 01:53:24,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 986 transitions. [2020-12-23 01:53:24,429 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 986 transitions. Word has length 122 [2020-12-23 01:53:24,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:53:24,433 INFO L481 AbstractCegarLoop]: Abstraction has 739 states and 986 transitions. [2020-12-23 01:53:24,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:53:24,433 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 986 transitions. [2020-12-23 01:53:24,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-12-23 01:53:24,442 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:53:24,443 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:53:24,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-12-23 01:53:24,644 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:53:24,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:53:24,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1303321889, now seen corresponding path program 1 times [2020-12-23 01:53:24,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:53:24,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197363680] [2020-12-23 01:53:24,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:53:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:53:24,795 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:53:24,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197363680] [2020-12-23 01:53:24,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:53:24,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:53:24,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701441085] [2020-12-23 01:53:24,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:53:24,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:53:24,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:53:24,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:53:24,805 INFO L87 Difference]: Start difference. First operand 739 states and 986 transitions. Second operand 3 states. [2020-12-23 01:53:25,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:53:25,874 INFO L93 Difference]: Finished difference Result 1900 states and 2607 transitions. [2020-12-23 01:53:25,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:53:25,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2020-12-23 01:53:25,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:53:25,882 INFO L225 Difference]: With dead ends: 1900 [2020-12-23 01:53:25,882 INFO L226 Difference]: Without dead ends: 1163 [2020-12-23 01:53:25,884 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 01:53:25,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2020-12-23 01:53:25,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 1160. [2020-12-23 01:53:25,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1160 states. [2020-12-23 01:53:25,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1588 transitions. [2020-12-23 01:53:25,918 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1588 transitions. Word has length 136 [2020-12-23 01:53:25,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:53:25,919 INFO L481 AbstractCegarLoop]: Abstraction has 1160 states and 1588 transitions. [2020-12-23 01:53:25,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:53:25,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1588 transitions. [2020-12-23 01:53:25,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-12-23 01:53:25,923 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:53:25,923 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:53:25,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 01:53:25,923 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:53:25,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:53:25,924 INFO L82 PathProgramCache]: Analyzing trace with hash 270757289, now seen corresponding path program 1 times [2020-12-23 01:53:25,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:53:25,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581484000] [2020-12-23 01:53:25,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:53:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:53:26,288 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:53:26,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581484000] [2020-12-23 01:53:26,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328426979] [2020-12-23 01:53:26,289 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 01:53:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:53:26,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:53:26,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:53:26,735 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 01:53:26,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:53:26,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-23 01:53:26,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850266818] [2020-12-23 01:53:26,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:53:26,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:53:26,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:53:26,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 01:53:26,738 INFO L87 Difference]: Start difference. First operand 1160 states and 1588 transitions. Second operand 3 states. [2020-12-23 01:53:27,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:53:27,615 INFO L93 Difference]: Finished difference Result 3179 states and 4437 transitions. [2020-12-23 01:53:27,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:53:27,615 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2020-12-23 01:53:27,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:53:27,627 INFO L225 Difference]: With dead ends: 3179 [2020-12-23 01:53:27,627 INFO L226 Difference]: Without dead ends: 2021 [2020-12-23 01:53:27,630 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-12-23 01:53:27,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2021 states. [2020-12-23 01:53:27,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2021 to 1734. [2020-12-23 01:53:27,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1734 states. [2020-12-23 01:53:27,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2363 transitions. [2020-12-23 01:53:27,678 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2363 transitions. Word has length 140 [2020-12-23 01:53:27,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:53:27,679 INFO L481 AbstractCegarLoop]: Abstraction has 1734 states and 2363 transitions. [2020-12-23 01:53:27,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:53:27,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2363 transitions. [2020-12-23 01:53:27,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-12-23 01:53:27,683 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:53:27,683 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:53:27,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:53:27,897 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:53:27,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:53:27,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1574022643, now seen corresponding path program 1 times [2020-12-23 01:53:27,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:53:27,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178446718] [2020-12-23 01:53:27,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:53:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:53:27,976 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-23 01:53:27,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178446718] [2020-12-23 01:53:27,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:53:27,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:53:27,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118552052] [2020-12-23 01:53:27,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:53:27,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:53:27,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:53:27,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:53:27,979 INFO L87 Difference]: Start difference. First operand 1734 states and 2363 transitions. Second operand 3 states. [2020-12-23 01:53:28,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:53:28,953 INFO L93 Difference]: Finished difference Result 4445 states and 6034 transitions. [2020-12-23 01:53:28,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:53:28,954 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2020-12-23 01:53:28,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:53:28,971 INFO L225 Difference]: With dead ends: 4445 [2020-12-23 01:53:28,971 INFO L226 Difference]: Without dead ends: 2713 [2020-12-23 01:53:28,975 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 01:53:28,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2713 states. [2020-12-23 01:53:29,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2713 to 2713. [2020-12-23 01:53:29,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2713 states. [2020-12-23 01:53:29,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2713 states to 2713 states and 3432 transitions. [2020-12-23 01:53:29,045 INFO L78 Accepts]: Start accepts. Automaton has 2713 states and 3432 transitions. Word has length 144 [2020-12-23 01:53:29,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:53:29,046 INFO L481 AbstractCegarLoop]: Abstraction has 2713 states and 3432 transitions. [2020-12-23 01:53:29,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:53:29,046 INFO L276 IsEmpty]: Start isEmpty. Operand 2713 states and 3432 transitions. [2020-12-23 01:53:29,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-12-23 01:53:29,052 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:53:29,053 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:53:29,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 01:53:29,053 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:53:29,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:53:29,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1115156572, now seen corresponding path program 1 times [2020-12-23 01:53:29,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:53:29,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273713275] [2020-12-23 01:53:29,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:53:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:53:29,157 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 01:53:29,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273713275] [2020-12-23 01:53:29,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:53:29,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:53:29,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911696630] [2020-12-23 01:53:29,160 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:53:29,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:53:29,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:53:29,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:53:29,161 INFO L87 Difference]: Start difference. First operand 2713 states and 3432 transitions. Second operand 3 states. [2020-12-23 01:53:30,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:53:30,060 INFO L93 Difference]: Finished difference Result 6406 states and 8134 transitions. [2020-12-23 01:53:30,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:53:30,060 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2020-12-23 01:53:30,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:53:30,075 INFO L225 Difference]: With dead ends: 6406 [2020-12-23 01:53:30,076 INFO L226 Difference]: Without dead ends: 3131 [2020-12-23 01:53:30,081 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 01:53:30,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3131 states. [2020-12-23 01:53:30,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3131 to 2991. [2020-12-23 01:53:30,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2991 states. [2020-12-23 01:53:30,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2991 states to 2991 states and 3394 transitions. [2020-12-23 01:53:30,152 INFO L78 Accepts]: Start accepts. Automaton has 2991 states and 3394 transitions. Word has length 166 [2020-12-23 01:53:30,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:53:30,152 INFO L481 AbstractCegarLoop]: Abstraction has 2991 states and 3394 transitions. [2020-12-23 01:53:30,152 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:53:30,152 INFO L276 IsEmpty]: Start isEmpty. Operand 2991 states and 3394 transitions. [2020-12-23 01:53:30,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-12-23 01:53:30,162 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:53:30,162 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:53:30,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 01:53:30,163 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:53:30,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:53:30,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1436533141, now seen corresponding path program 1 times [2020-12-23 01:53:30,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:53:30,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093470815] [2020-12-23 01:53:30,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:53:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:53:30,334 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 64 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-23 01:53:30,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093470815] [2020-12-23 01:53:30,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739719476] [2020-12-23 01:53:30,335 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 01:53:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:53:30,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:53:30,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:53:30,825 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-12-23 01:53:30,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:53:30,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-23 01:53:30,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780756654] [2020-12-23 01:53:30,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:53:30,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:53:30,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:53:30,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 01:53:30,827 INFO L87 Difference]: Start difference. First operand 2991 states and 3394 transitions. Second operand 3 states. [2020-12-23 01:53:31,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:53:31,668 INFO L93 Difference]: Finished difference Result 6685 states and 7660 transitions. [2020-12-23 01:53:31,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:53:31,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2020-12-23 01:53:31,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:53:31,688 INFO L225 Difference]: With dead ends: 6685 [2020-12-23 01:53:31,688 INFO L226 Difference]: Without dead ends: 3696 [2020-12-23 01:53:31,693 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 01:53:31,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3696 states. [2020-12-23 01:53:31,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3696 to 3412. [2020-12-23 01:53:31,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3412 states. [2020-12-23 01:53:31,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3412 states to 3412 states and 3818 transitions. [2020-12-23 01:53:31,772 INFO L78 Accepts]: Start accepts. Automaton has 3412 states and 3818 transitions. Word has length 172 [2020-12-23 01:53:31,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:53:31,772 INFO L481 AbstractCegarLoop]: Abstraction has 3412 states and 3818 transitions. [2020-12-23 01:53:31,772 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:53:31,773 INFO L276 IsEmpty]: Start isEmpty. Operand 3412 states and 3818 transitions. [2020-12-23 01:53:31,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-12-23 01:53:31,780 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:53:31,781 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:53:31,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:53:31,997 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:53:31,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:53:31,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1516640545, now seen corresponding path program 1 times [2020-12-23 01:53:31,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:53:31,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430932490] [2020-12-23 01:53:31,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:53:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:53:32,156 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 87 proven. 8 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-12-23 01:53:32,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430932490] [2020-12-23 01:53:32,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73455049] [2020-12-23 01:53:32,157 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 01:53:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:53:32,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:53:32,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:53:32,573 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-12-23 01:53:32,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:53:32,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-23 01:53:32,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101127548] [2020-12-23 01:53:32,575 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:53:32,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:53:32,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:53:32,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 01:53:32,577 INFO L87 Difference]: Start difference. First operand 3412 states and 3818 transitions. Second operand 3 states. [2020-12-23 01:53:33,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:53:33,121 INFO L93 Difference]: Finished difference Result 6680 states and 7488 transitions. [2020-12-23 01:53:33,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:53:33,121 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-12-23 01:53:33,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:53:33,136 INFO L225 Difference]: With dead ends: 6680 [2020-12-23 01:53:33,136 INFO L226 Difference]: Without dead ends: 3270 [2020-12-23 01:53:33,142 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 01:53:33,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3270 states. [2020-12-23 01:53:33,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3270 to 2850. [2020-12-23 01:53:33,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2850 states. [2020-12-23 01:53:33,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2850 states to 2850 states and 3093 transitions. [2020-12-23 01:53:33,204 INFO L78 Accepts]: Start accepts. Automaton has 2850 states and 3093 transitions. Word has length 189 [2020-12-23 01:53:33,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:53:33,205 INFO L481 AbstractCegarLoop]: Abstraction has 2850 states and 3093 transitions. [2020-12-23 01:53:33,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:53:33,205 INFO L276 IsEmpty]: Start isEmpty. Operand 2850 states and 3093 transitions. [2020-12-23 01:53:33,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-12-23 01:53:33,237 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:53:33,238 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:53:33,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:53:33,439 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:53:33,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:53:33,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1859499785, now seen corresponding path program 1 times [2020-12-23 01:53:33,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:53:33,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779661076] [2020-12-23 01:53:33,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:53:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:53:33,601 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 01:53:33,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779661076] [2020-12-23 01:53:33,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:53:33,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:53:33,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047593985] [2020-12-23 01:53:33,603 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:53:33,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:53:33,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:53:33,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:53:33,604 INFO L87 Difference]: Start difference. First operand 2850 states and 3093 transitions. Second operand 3 states. [2020-12-23 01:53:34,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:53:34,215 INFO L93 Difference]: Finished difference Result 6254 states and 6832 transitions. [2020-12-23 01:53:34,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:53:34,216 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 223 [2020-12-23 01:53:34,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:53:34,228 INFO L225 Difference]: With dead ends: 6254 [2020-12-23 01:53:34,229 INFO L226 Difference]: Without dead ends: 3406 [2020-12-23 01:53:34,233 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 01:53:34,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3406 states. [2020-12-23 01:53:34,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3406 to 2984. [2020-12-23 01:53:34,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2984 states. [2020-12-23 01:53:34,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2984 states to 2984 states and 3237 transitions. [2020-12-23 01:53:34,299 INFO L78 Accepts]: Start accepts. Automaton has 2984 states and 3237 transitions. Word has length 223 [2020-12-23 01:53:34,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:53:34,299 INFO L481 AbstractCegarLoop]: Abstraction has 2984 states and 3237 transitions. [2020-12-23 01:53:34,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:53:34,299 INFO L276 IsEmpty]: Start isEmpty. Operand 2984 states and 3237 transitions. [2020-12-23 01:53:34,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-12-23 01:53:34,308 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:53:34,308 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-23 01:53:34,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 01:53:34,309 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:53:34,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:53:34,309 INFO L82 PathProgramCache]: Analyzing trace with hash -2101492448, now seen corresponding path program 1 times [2020-12-23 01:53:34,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:53:34,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848648108] [2020-12-23 01:53:34,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:53:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:53:34,467 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-12-23 01:53:34,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848648108] [2020-12-23 01:53:34,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:53:34,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:53:34,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564804039] [2020-12-23 01:53:34,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:53:34,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:53:34,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:53:34,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:53:34,470 INFO L87 Difference]: Start difference. First operand 2984 states and 3237 transitions. Second operand 3 states. [2020-12-23 01:53:34,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:53:34,772 INFO L93 Difference]: Finished difference Result 5673 states and 6141 transitions. [2020-12-23 01:53:34,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:53:34,773 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 266 [2020-12-23 01:53:34,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:53:34,774 INFO L225 Difference]: With dead ends: 5673 [2020-12-23 01:53:34,774 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 01:53:34,779 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 01:53:34,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 01:53:34,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 01:53:34,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 01:53:34,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 01:53:34,780 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 266 [2020-12-23 01:53:34,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:53:34,781 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 01:53:34,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:53:34,781 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 01:53:34,781 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 01:53:34,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 01:53:34,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 01:53:34,961 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2020-12-23 01:53:35,090 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2020-12-23 01:53:35,094 INFO L189 CegarLoopUtils]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,094 INFO L189 CegarLoopUtils]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,094 INFO L189 CegarLoopUtils]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,095 INFO L189 CegarLoopUtils]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-12-23 01:53:35,095 INFO L189 CegarLoopUtils]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-12-23 01:53:35,095 INFO L189 CegarLoopUtils]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-12-23 01:53:35,095 INFO L189 CegarLoopUtils]: For program point L566(line 566) no Hoare annotation was computed. [2020-12-23 01:53:35,095 INFO L189 CegarLoopUtils]: For program point L500(line 500) no Hoare annotation was computed. [2020-12-23 01:53:35,095 INFO L189 CegarLoopUtils]: For program point L434(line 434) no Hoare annotation was computed. [2020-12-23 01:53:35,095 INFO L189 CegarLoopUtils]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-12-23 01:53:35,095 INFO L189 CegarLoopUtils]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-12-23 01:53:35,095 INFO L189 CegarLoopUtils]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,096 INFO L189 CegarLoopUtils]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,096 INFO L189 CegarLoopUtils]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,096 INFO L189 CegarLoopUtils]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-12-23 01:53:35,096 INFO L189 CegarLoopUtils]: For program point L569(line 569) no Hoare annotation was computed. [2020-12-23 01:53:35,096 INFO L189 CegarLoopUtils]: For program point L503(line 503) no Hoare annotation was computed. [2020-12-23 01:53:35,096 INFO L189 CegarLoopUtils]: For program point L437(line 437) no Hoare annotation was computed. [2020-12-23 01:53:35,096 INFO L189 CegarLoopUtils]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-12-23 01:53:35,096 INFO L189 CegarLoopUtils]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,096 INFO L189 CegarLoopUtils]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,097 INFO L189 CegarLoopUtils]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,097 INFO L189 CegarLoopUtils]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-12-23 01:53:35,097 INFO L189 CegarLoopUtils]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-12-23 01:53:35,097 INFO L189 CegarLoopUtils]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-12-23 01:53:35,097 INFO L189 CegarLoopUtils]: For program point L572(line 572) no Hoare annotation was computed. [2020-12-23 01:53:35,097 INFO L189 CegarLoopUtils]: For program point L506(line 506) no Hoare annotation was computed. [2020-12-23 01:53:35,097 INFO L189 CegarLoopUtils]: For program point L440(line 440) no Hoare annotation was computed. [2020-12-23 01:53:35,097 INFO L189 CegarLoopUtils]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-12-23 01:53:35,097 INFO L189 CegarLoopUtils]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-12-23 01:53:35,098 INFO L189 CegarLoopUtils]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-12-23 01:53:35,098 INFO L189 CegarLoopUtils]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-12-23 01:53:35,098 INFO L189 CegarLoopUtils]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,098 INFO L189 CegarLoopUtils]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,098 INFO L189 CegarLoopUtils]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,098 INFO L189 CegarLoopUtils]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-12-23 01:53:35,098 INFO L189 CegarLoopUtils]: For program point L575(line 575) no Hoare annotation was computed. [2020-12-23 01:53:35,098 INFO L189 CegarLoopUtils]: For program point L509(line 509) no Hoare annotation was computed. [2020-12-23 01:53:35,098 INFO L189 CegarLoopUtils]: For program point L443(line 443) no Hoare annotation was computed. [2020-12-23 01:53:35,098 INFO L189 CegarLoopUtils]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-12-23 01:53:35,099 INFO L189 CegarLoopUtils]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-12-23 01:53:35,099 INFO L189 CegarLoopUtils]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-12-23 01:53:35,099 INFO L189 CegarLoopUtils]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,099 INFO L189 CegarLoopUtils]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,099 INFO L189 CegarLoopUtils]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,099 INFO L189 CegarLoopUtils]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-12-23 01:53:35,099 INFO L189 CegarLoopUtils]: For program point L578(line 578) no Hoare annotation was computed. [2020-12-23 01:53:35,099 INFO L189 CegarLoopUtils]: For program point L512(line 512) no Hoare annotation was computed. [2020-12-23 01:53:35,100 INFO L189 CegarLoopUtils]: For program point L446(line 446) no Hoare annotation was computed. [2020-12-23 01:53:35,100 INFO L189 CegarLoopUtils]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-12-23 01:53:35,100 INFO L189 CegarLoopUtils]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-12-23 01:53:35,100 INFO L189 CegarLoopUtils]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-12-23 01:53:35,100 INFO L189 CegarLoopUtils]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,100 INFO L189 CegarLoopUtils]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,100 INFO L189 CegarLoopUtils]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,100 INFO L189 CegarLoopUtils]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-12-23 01:53:35,100 INFO L189 CegarLoopUtils]: For program point L581(line 581) no Hoare annotation was computed. [2020-12-23 01:53:35,101 INFO L189 CegarLoopUtils]: For program point L515(line 515) no Hoare annotation was computed. [2020-12-23 01:53:35,101 INFO L189 CegarLoopUtils]: For program point L449(line 449) no Hoare annotation was computed. [2020-12-23 01:53:35,101 INFO L189 CegarLoopUtils]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-12-23 01:53:35,101 INFO L189 CegarLoopUtils]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,101 INFO L189 CegarLoopUtils]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,101 INFO L189 CegarLoopUtils]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,101 INFO L189 CegarLoopUtils]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-12-23 01:53:35,101 INFO L189 CegarLoopUtils]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-12-23 01:53:35,101 INFO L189 CegarLoopUtils]: For program point L584(line 584) no Hoare annotation was computed. [2020-12-23 01:53:35,102 INFO L189 CegarLoopUtils]: For program point L518(line 518) no Hoare annotation was computed. [2020-12-23 01:53:35,102 INFO L189 CegarLoopUtils]: For program point L452(line 452) no Hoare annotation was computed. [2020-12-23 01:53:35,102 INFO L189 CegarLoopUtils]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-12-23 01:53:35,102 INFO L189 CegarLoopUtils]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-12-23 01:53:35,102 INFO L189 CegarLoopUtils]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-12-23 01:53:35,102 INFO L189 CegarLoopUtils]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,102 INFO L189 CegarLoopUtils]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,102 INFO L189 CegarLoopUtils]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,102 INFO L189 CegarLoopUtils]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-12-23 01:53:35,103 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 01:53:35,103 INFO L189 CegarLoopUtils]: For program point L587(line 587) no Hoare annotation was computed. [2020-12-23 01:53:35,103 INFO L189 CegarLoopUtils]: For program point L521(line 521) no Hoare annotation was computed. [2020-12-23 01:53:35,103 INFO L189 CegarLoopUtils]: For program point L455(line 455) no Hoare annotation was computed. [2020-12-23 01:53:35,103 INFO L189 CegarLoopUtils]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-12-23 01:53:35,103 INFO L189 CegarLoopUtils]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-12-23 01:53:35,103 INFO L189 CegarLoopUtils]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-12-23 01:53:35,103 INFO L189 CegarLoopUtils]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-12-23 01:53:35,104 INFO L189 CegarLoopUtils]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,104 INFO L189 CegarLoopUtils]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,104 INFO L189 CegarLoopUtils]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,104 INFO L189 CegarLoopUtils]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-12-23 01:53:35,104 INFO L189 CegarLoopUtils]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-12-23 01:53:35,104 INFO L189 CegarLoopUtils]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-12-23 01:53:35,104 INFO L189 CegarLoopUtils]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-12-23 01:53:35,104 INFO L189 CegarLoopUtils]: For program point L590(line 590) no Hoare annotation was computed. [2020-12-23 01:53:35,105 INFO L189 CegarLoopUtils]: For program point L524(line 524) no Hoare annotation was computed. [2020-12-23 01:53:35,105 INFO L189 CegarLoopUtils]: For program point L458(line 458) no Hoare annotation was computed. [2020-12-23 01:53:35,105 INFO L189 CegarLoopUtils]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-12-23 01:53:35,105 INFO L189 CegarLoopUtils]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-12-23 01:53:35,105 INFO L189 CegarLoopUtils]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,105 INFO L189 CegarLoopUtils]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,105 INFO L189 CegarLoopUtils]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,105 INFO L189 CegarLoopUtils]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-12-23 01:53:35,105 INFO L189 CegarLoopUtils]: For program point L593(line 593) no Hoare annotation was computed. [2020-12-23 01:53:35,105 INFO L189 CegarLoopUtils]: For program point L527(line 527) no Hoare annotation was computed. [2020-12-23 01:53:35,105 INFO L189 CegarLoopUtils]: For program point L461(line 461) no Hoare annotation was computed. [2020-12-23 01:53:35,106 INFO L189 CegarLoopUtils]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-12-23 01:53:35,106 INFO L189 CegarLoopUtils]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-12-23 01:53:35,106 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 01:53:35,106 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 521) no Hoare annotation was computed. [2020-12-23 01:53:35,106 INFO L189 CegarLoopUtils]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,106 INFO L189 CegarLoopUtils]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,106 INFO L189 CegarLoopUtils]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,106 INFO L189 CegarLoopUtils]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-12-23 01:53:35,107 INFO L189 CegarLoopUtils]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-12-23 01:53:35,107 INFO L189 CegarLoopUtils]: For program point L596(line 596) no Hoare annotation was computed. [2020-12-23 01:53:35,107 INFO L189 CegarLoopUtils]: For program point L530(line 530) no Hoare annotation was computed. [2020-12-23 01:53:35,107 INFO L189 CegarLoopUtils]: For program point L464(line 464) no Hoare annotation was computed. [2020-12-23 01:53:35,107 INFO L189 CegarLoopUtils]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-12-23 01:53:35,107 INFO L189 CegarLoopUtils]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-12-23 01:53:35,107 INFO L189 CegarLoopUtils]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-12-23 01:53:35,107 INFO L189 CegarLoopUtils]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,107 INFO L189 CegarLoopUtils]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,108 INFO L189 CegarLoopUtils]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,108 INFO L189 CegarLoopUtils]: For program point L599(line 599) no Hoare annotation was computed. [2020-12-23 01:53:35,108 INFO L189 CegarLoopUtils]: For program point L533(line 533) no Hoare annotation was computed. [2020-12-23 01:53:35,108 INFO L189 CegarLoopUtils]: For program point L467(line 467) no Hoare annotation was computed. [2020-12-23 01:53:35,108 INFO L189 CegarLoopUtils]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-12-23 01:53:35,108 INFO L189 CegarLoopUtils]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-12-23 01:53:35,108 INFO L189 CegarLoopUtils]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,108 INFO L189 CegarLoopUtils]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,108 INFO L189 CegarLoopUtils]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,109 INFO L189 CegarLoopUtils]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-12-23 01:53:35,109 INFO L189 CegarLoopUtils]: For program point L602(line 602) no Hoare annotation was computed. [2020-12-23 01:53:35,109 INFO L189 CegarLoopUtils]: For program point L536(line 536) no Hoare annotation was computed. [2020-12-23 01:53:35,109 INFO L189 CegarLoopUtils]: For program point L470(line 470) no Hoare annotation was computed. [2020-12-23 01:53:35,109 INFO L189 CegarLoopUtils]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-12-23 01:53:35,109 INFO L189 CegarLoopUtils]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-12-23 01:53:35,109 INFO L189 CegarLoopUtils]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-12-23 01:53:35,109 INFO L189 CegarLoopUtils]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-12-23 01:53:35,109 INFO L189 CegarLoopUtils]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-12-23 01:53:35,109 INFO L189 CegarLoopUtils]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-12-23 01:53:35,110 INFO L189 CegarLoopUtils]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-12-23 01:53:35,110 INFO L189 CegarLoopUtils]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,110 INFO L189 CegarLoopUtils]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,110 INFO L189 CegarLoopUtils]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-12-23 01:53:35,110 INFO L189 CegarLoopUtils]: For program point L605(line 605) no Hoare annotation was computed. [2020-12-23 01:53:35,110 INFO L189 CegarLoopUtils]: For program point L539(line 539) no Hoare annotation was computed. [2020-12-23 01:53:35,110 INFO L189 CegarLoopUtils]: For program point L473(line 473) no Hoare annotation was computed. [2020-12-23 01:53:35,110 INFO L189 CegarLoopUtils]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-12-23 01:53:35,110 INFO L189 CegarLoopUtils]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-12-23 01:53:35,110 INFO L189 CegarLoopUtils]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-12-23 01:53:35,111 INFO L189 CegarLoopUtils]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-12-23 01:53:35,111 INFO L189 CegarLoopUtils]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-12-23 01:53:35,111 INFO L185 CegarLoopUtils]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse2 (<= ~a28~0 10)) (.cse3 (<= 10 ~a28~0)) (.cse0 (= ~a19~0 1)) (.cse1 (<= ~a17~0 8))) (or (and (= ~a25~0 ~a11~0) .cse0 (<= ~a28~0 7) .cse1) (and (<= ~a19~0 0) .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse0 (= ~a11~0 0) .cse1) (and (<= 9 ~a28~0) .cse0 .cse1 (<= ~a25~0 0)) (and .cse0 .cse3 .cse1) (and .cse0 (<= 8 ~a17~0) .cse1))) [2020-12-23 01:53:35,111 INFO L189 CegarLoopUtils]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,111 INFO L189 CegarLoopUtils]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,112 INFO L189 CegarLoopUtils]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-12-23 01:53:35,112 INFO L189 CegarLoopUtils]: For program point L542(line 542) no Hoare annotation was computed. [2020-12-23 01:53:35,112 INFO L189 CegarLoopUtils]: For program point L476(line 476) no Hoare annotation was computed. [2020-12-23 01:53:35,112 INFO L189 CegarLoopUtils]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-12-23 01:53:35,112 INFO L189 CegarLoopUtils]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-12-23 01:53:35,112 INFO L189 CegarLoopUtils]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-12-23 01:53:35,112 INFO L192 CegarLoopUtils]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-12-23 01:53:35,112 INFO L189 CegarLoopUtils]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,112 INFO L189 CegarLoopUtils]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,112 INFO L189 CegarLoopUtils]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-12-23 01:53:35,113 INFO L189 CegarLoopUtils]: For program point L545(line 545) no Hoare annotation was computed. [2020-12-23 01:53:35,113 INFO L189 CegarLoopUtils]: For program point L479(line 479) no Hoare annotation was computed. [2020-12-23 01:53:35,113 INFO L189 CegarLoopUtils]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-12-23 01:53:35,113 INFO L189 CegarLoopUtils]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-12-23 01:53:35,113 INFO L189 CegarLoopUtils]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-12-23 01:53:35,113 INFO L189 CegarLoopUtils]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-12-23 01:53:35,113 INFO L189 CegarLoopUtils]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-12-23 01:53:35,113 INFO L189 CegarLoopUtils]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-12-23 01:53:35,113 INFO L189 CegarLoopUtils]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,113 INFO L189 CegarLoopUtils]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,113 INFO L189 CegarLoopUtils]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-12-23 01:53:35,114 INFO L189 CegarLoopUtils]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-12-23 01:53:35,114 INFO L189 CegarLoopUtils]: For program point L548(line 548) no Hoare annotation was computed. [2020-12-23 01:53:35,114 INFO L189 CegarLoopUtils]: For program point L482(line 482) no Hoare annotation was computed. [2020-12-23 01:53:35,114 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 01:53:35,114 INFO L189 CegarLoopUtils]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-12-23 01:53:35,114 INFO L189 CegarLoopUtils]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-12-23 01:53:35,114 INFO L185 CegarLoopUtils]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse2 (<= ~a28~0 10)) (.cse3 (<= 10 ~a28~0)) (.cse0 (= ~a19~0 1)) (.cse1 (<= ~a17~0 8))) (or (and (= ~a25~0 ~a11~0) .cse0 (<= ~a28~0 7) .cse1) (and (<= ~a19~0 0) .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse0 (= ~a11~0 0) .cse1) (and (<= 9 ~a28~0) .cse0 .cse1 (<= ~a25~0 0)) (and .cse0 .cse3 .cse1) (and .cse0 (<= 8 ~a17~0) .cse1))) [2020-12-23 01:53:35,114 INFO L189 CegarLoopUtils]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,114 INFO L189 CegarLoopUtils]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,115 INFO L189 CegarLoopUtils]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-12-23 01:53:35,115 INFO L189 CegarLoopUtils]: For program point L551(line 551) no Hoare annotation was computed. [2020-12-23 01:53:35,115 INFO L189 CegarLoopUtils]: For program point L485(line 485) no Hoare annotation was computed. [2020-12-23 01:53:35,115 INFO L189 CegarLoopUtils]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-12-23 01:53:35,115 INFO L189 CegarLoopUtils]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-12-23 01:53:35,115 INFO L189 CegarLoopUtils]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,115 INFO L189 CegarLoopUtils]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,115 INFO L189 CegarLoopUtils]: For program point L554(line 554) no Hoare annotation was computed. [2020-12-23 01:53:35,115 INFO L189 CegarLoopUtils]: For program point L488(line 488) no Hoare annotation was computed. [2020-12-23 01:53:35,115 INFO L189 CegarLoopUtils]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-12-23 01:53:35,115 INFO L189 CegarLoopUtils]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-12-23 01:53:35,116 INFO L189 CegarLoopUtils]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-12-23 01:53:35,116 INFO L189 CegarLoopUtils]: For program point L621(line 621) no Hoare annotation was computed. [2020-12-23 01:53:35,116 INFO L189 CegarLoopUtils]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-12-23 01:53:35,116 INFO L189 CegarLoopUtils]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-12-23 01:53:35,116 INFO L189 CegarLoopUtils]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-12-23 01:53:35,116 INFO L189 CegarLoopUtils]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,116 INFO L189 CegarLoopUtils]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,116 INFO L189 CegarLoopUtils]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-12-23 01:53:35,116 INFO L189 CegarLoopUtils]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,116 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 01:53:35,117 INFO L189 CegarLoopUtils]: For program point L557(line 557) no Hoare annotation was computed. [2020-12-23 01:53:35,117 INFO L189 CegarLoopUtils]: For program point L491(line 491) no Hoare annotation was computed. [2020-12-23 01:53:35,117 INFO L189 CegarLoopUtils]: For program point L425(line 425) no Hoare annotation was computed. [2020-12-23 01:53:35,117 INFO L189 CegarLoopUtils]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-12-23 01:53:35,117 INFO L189 CegarLoopUtils]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-12-23 01:53:35,117 INFO L189 CegarLoopUtils]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-12-23 01:53:35,117 INFO L189 CegarLoopUtils]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,117 INFO L189 CegarLoopUtils]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,117 INFO L189 CegarLoopUtils]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,117 INFO L189 CegarLoopUtils]: For program point L560(line 560) no Hoare annotation was computed. [2020-12-23 01:53:35,118 INFO L189 CegarLoopUtils]: For program point L494(line 494) no Hoare annotation was computed. [2020-12-23 01:53:35,118 INFO L189 CegarLoopUtils]: For program point L428(line 428) no Hoare annotation was computed. [2020-12-23 01:53:35,118 INFO L189 CegarLoopUtils]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-12-23 01:53:35,118 INFO L189 CegarLoopUtils]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-12-23 01:53:35,118 INFO L189 CegarLoopUtils]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,118 INFO L189 CegarLoopUtils]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,118 INFO L189 CegarLoopUtils]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:35,118 INFO L189 CegarLoopUtils]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-12-23 01:53:35,118 INFO L189 CegarLoopUtils]: For program point L563(line 563) no Hoare annotation was computed. [2020-12-23 01:53:35,118 INFO L189 CegarLoopUtils]: For program point L497(line 497) no Hoare annotation was computed. [2020-12-23 01:53:35,118 INFO L189 CegarLoopUtils]: For program point L431(line 431) no Hoare annotation was computed. [2020-12-23 01:53:35,119 INFO L189 CegarLoopUtils]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-12-23 01:53:35,119 INFO L189 CegarLoopUtils]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-12-23 01:53:35,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 01:53:35 BoogieIcfgContainer [2020-12-23 01:53:35,143 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 01:53:35,144 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 01:53:35,144 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 01:53:35,144 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 01:53:35,144 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:53:19" (3/4) ... [2020-12-23 01:53:35,148 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 01:53:35,173 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-23 01:53:35,175 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-23 01:53:35,176 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 01:53:35,178 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 01:53:35,391 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem02_label01.c-witness.graphml [2020-12-23 01:53:35,391 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 01:53:35,393 INFO L168 Benchmark]: Toolchain (without parser) took 17944.63 ms. Allocated memory was 154.1 MB in the beginning and 360.7 MB in the end (delta: 206.6 MB). Free memory was 127.7 MB in the beginning and 319.4 MB in the end (delta: -191.7 MB). Peak memory consumption was 215.7 MB. Max. memory is 8.0 GB. [2020-12-23 01:53:35,393 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 154.1 MB. Free memory is still 126.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 01:53:35,394 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.79 ms. Allocated memory is still 154.1 MB. Free memory was 127.5 MB in the beginning and 133.0 MB in the end (delta: -5.5 MB). Peak memory consumption was 28.8 MB. Max. memory is 8.0 GB. [2020-12-23 01:53:35,395 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.98 ms. Allocated memory is still 154.1 MB. Free memory was 132.5 MB in the beginning and 127.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-23 01:53:35,395 INFO L168 Benchmark]: Boogie Preprocessor took 74.60 ms. Allocated memory is still 154.1 MB. Free memory was 127.3 MB in the beginning and 123.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-23 01:53:35,395 INFO L168 Benchmark]: RCFGBuilder took 1466.96 ms. Allocated memory is still 154.1 MB. Free memory was 123.1 MB in the beginning and 101.7 MB in the end (delta: 21.4 MB). Peak memory consumption was 80.7 MB. Max. memory is 8.0 GB. [2020-12-23 01:53:35,396 INFO L168 Benchmark]: TraceAbstraction took 15321.64 ms. Allocated memory was 154.1 MB in the beginning and 360.7 MB in the end (delta: 206.6 MB). Free memory was 101.2 MB in the beginning and 124.4 MB in the end (delta: -23.2 MB). Peak memory consumption was 182.8 MB. Max. memory is 8.0 GB. [2020-12-23 01:53:35,396 INFO L168 Benchmark]: Witness Printer took 247.64 ms. Allocated memory is still 360.7 MB. Free memory was 124.4 MB in the beginning and 319.4 MB in the end (delta: -195.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-23 01:53:35,398 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 154.1 MB. Free memory is still 126.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 717.79 ms. Allocated memory is still 154.1 MB. Free memory was 127.5 MB in the beginning and 133.0 MB in the end (delta: -5.5 MB). Peak memory consumption was 28.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 103.98 ms. Allocated memory is still 154.1 MB. Free memory was 132.5 MB in the beginning and 127.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 74.60 ms. Allocated memory is still 154.1 MB. Free memory was 127.3 MB in the beginning and 123.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1466.96 ms. Allocated memory is still 154.1 MB. Free memory was 123.1 MB in the beginning and 101.7 MB in the end (delta: 21.4 MB). Peak memory consumption was 80.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 15321.64 ms. Allocated memory was 154.1 MB in the beginning and 360.7 MB in the end (delta: 206.6 MB). Free memory was 101.2 MB in the beginning and 124.4 MB in the end (delta: -23.2 MB). Peak memory consumption was 182.8 MB. Max. memory is 8.0 GB. * Witness Printer took 247.64 ms. Allocated memory is still 360.7 MB. Free memory was 124.4 MB in the beginning and 319.4 MB in the end (delta: -195.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 521]: 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: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((((((a25 == a11 && a19 == 1) && a28 <= 7) && a17 <= 8) || ((a19 <= 0 && a17 <= 8) && a28 <= 10)) || ((a19 == 1 && 10 <= a28) && a28 <= 10)) || ((a19 == 1 && a11 == 0) && a17 <= 8)) || (((9 <= a28 && a19 == 1) && a17 <= 8) && a25 <= 0)) || ((a19 == 1 && 10 <= a28) && a17 <= 8)) || ((a19 == 1 && 8 <= a17) && a17 <= 8) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((((((a25 == a11 && a19 == 1) && a28 <= 7) && a17 <= 8) || ((a19 <= 0 && a17 <= 8) && a28 <= 10)) || ((a19 == 1 && 10 <= a28) && a28 <= 10)) || ((a19 == 1 && a11 == 0) && a17 <= 8)) || (((9 <= a28 && a19 == 1) && a17 <= 8) && a25 <= 0)) || ((a19 == 1 && 10 <= a28) && a17 <= 8)) || ((a19 == 1 && 8 <= a17) && a17 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.8s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1191 SDtfs, 1211 SDslu, 162 SDs, 0 SdLazy, 3875 SolverSat, 739 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 651 GetRequests, 629 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3412occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 1839 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 51 NumberOfFragments, 155 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1150 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 88 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 2411 NumberOfCodeBlocks, 2411 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2396 ConstructedInterpolants, 0 QuantifiedInterpolants, 1119086 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1259 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 1111/1146 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...