/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_label02.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 01:53:16,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 01:53:16,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 01:53:16,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 01:53:16,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 01:53:16,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 01:53:16,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 01:53:16,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 01:53:16,693 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 01:53:16,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 01:53:16,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 01:53:16,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 01:53:16,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 01:53:16,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 01:53:16,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 01:53:16,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 01:53:16,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 01:53:16,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 01:53:16,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 01:53:16,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 01:53:16,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 01:53:16,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 01:53:16,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 01:53:16,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 01:53:16,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 01:53:16,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 01:53:16,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 01:53:16,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 01:53:16,787 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 01:53:16,839 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 01:53:16,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 01:53:16,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 01:53:16,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 01:53:16,845 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 01:53:16,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 01:53:16,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 01:53:16,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 01:53:16,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 01:53:16,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 01:53:16,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 01:53:16,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 01:53:16,848 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 01:53:16,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 01:53:16,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 01:53:16,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 01:53:16,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 01:53:16,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 01:53:16,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 01:53:16,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 01:53:16,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 01:53:16,850 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 01:53:16,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 01:53:16,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 01:53:16,850 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 01:53:16,850 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 01:53:17,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 01:53:17,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 01:53:17,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 01:53:17,320 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 01:53:17,321 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 01:53:17,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label02.c [2020-12-23 01:53:17,414 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f2a4d3e66/0ffef36d7d8745fb8245fc9077b4682c/FLAGac40b9a1d [2020-12-23 01:53:18,151 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 01:53:18,152 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label02.c [2020-12-23 01:53:18,169 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f2a4d3e66/0ffef36d7d8745fb8245fc9077b4682c/FLAGac40b9a1d [2020-12-23 01:53:18,406 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f2a4d3e66/0ffef36d7d8745fb8245fc9077b4682c [2020-12-23 01:53:18,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 01:53:18,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 01:53:18,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 01:53:18,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 01:53:18,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 01:53:18,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:53:18" (1/1) ... [2020-12-23 01:53:18,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4463f592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:53:18, skipping insertion in model container [2020-12-23 01:53:18,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:53:18" (1/1) ... [2020-12-23 01:53:18,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 01:53:18,478 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 01:53:18,874 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_label02.c[15989,16002] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2020-12-23 01:53:18,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:53:18,965 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 01:53:19,083 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_label02.c[15989,16002] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2020-12-23 01:53:19,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:53:19,141 INFO L208 MainTranslator]: Completed translation [2020-12-23 01:53:19,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:53:19 WrapperNode [2020-12-23 01:53:19,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 01:53:19,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 01:53:19,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 01:53:19,147 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 01:53:19,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:53:19" (1/1) ... [2020-12-23 01:53:19,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:53:19" (1/1) ... [2020-12-23 01:53:19,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 01:53:19,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 01:53:19,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 01:53:19,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 01:53:19,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:53:19" (1/1) ... [2020-12-23 01:53:19,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:53:19" (1/1) ... [2020-12-23 01:53:19,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:53:19" (1/1) ... [2020-12-23 01:53:19,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:53:19" (1/1) ... [2020-12-23 01:53:19,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:53:19" (1/1) ... [2020-12-23 01:53:19,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:53:19" (1/1) ... [2020-12-23 01:53:19,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:53:19" (1/1) ... [2020-12-23 01:53:19,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 01:53:19,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 01:53:19,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 01:53:19,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 01:53:19,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:53:19" (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 01:53:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 01:53:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 01:53:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 01:53:19,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 01:53:20,724 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 01:53:20,725 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-23 01:53:20,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:53:20 BoogieIcfgContainer [2020-12-23 01:53:20,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 01:53:20,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 01:53:20,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 01:53:20,734 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 01:53:20,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:53:18" (1/3) ... [2020-12-23 01:53:20,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac0ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:53:20, skipping insertion in model container [2020-12-23 01:53:20,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:53:19" (2/3) ... [2020-12-23 01:53:20,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac0ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:53:20, skipping insertion in model container [2020-12-23 01:53:20,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:53:20" (3/3) ... [2020-12-23 01:53:20,738 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label02.c [2020-12-23 01:53:20,745 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 01:53:20,752 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 01:53:20,774 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 01:53:20,807 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 01:53:20,807 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 01:53:20,807 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 01:53:20,807 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 01:53:20,808 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 01:53:20,808 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 01:53:20,808 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 01:53:20,808 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 01:53:20,831 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2020-12-23 01:53:20,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-23 01:53:20,846 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:53:20,848 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] [2020-12-23 01:53:20,848 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:53:20,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:53:20,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1717349669, now seen corresponding path program 1 times [2020-12-23 01:53:20,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:53:20,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144461667] [2020-12-23 01:53:20,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:53:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:53:21,379 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 01:53:21,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144461667] [2020-12-23 01:53:21,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:53:21,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:53:21,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381724494] [2020-12-23 01:53:21,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:53:21,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:53:21,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:53:21,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:53:21,415 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 3 states. [2020-12-23 01:53:22,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:53:22,253 INFO L93 Difference]: Finished difference Result 596 states and 1030 transitions. [2020-12-23 01:53:22,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:53:22,255 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-12-23 01:53:22,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:53:22,274 INFO L225 Difference]: With dead ends: 596 [2020-12-23 01:53:22,274 INFO L226 Difference]: Without dead ends: 305 [2020-12-23 01:53:22,280 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 01:53:22,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-12-23 01:53:22,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2020-12-23 01:53:22,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-12-23 01:53:22,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 464 transitions. [2020-12-23 01:53:22,373 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 464 transitions. Word has length 93 [2020-12-23 01:53:22,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:53:22,374 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 464 transitions. [2020-12-23 01:53:22,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:53:22,375 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 464 transitions. [2020-12-23 01:53:22,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-23 01:53:22,380 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:53:22,380 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-23 01:53:22,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 01:53:22,381 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:53:22,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:53:22,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1996609823, now seen corresponding path program 1 times [2020-12-23 01:53:22,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:53:22,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818004782] [2020-12-23 01:53:22,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:53:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:53:22,517 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:53:22,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818004782] [2020-12-23 01:53:22,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:53:22,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:53:22,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190154463] [2020-12-23 01:53:22,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:53:22,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:53:22,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:53:22,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:53:22,521 INFO L87 Difference]: Start difference. First operand 305 states and 464 transitions. Second operand 3 states. [2020-12-23 01:53:22,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:53:22,857 INFO L93 Difference]: Finished difference Result 599 states and 913 transitions. [2020-12-23 01:53:22,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:53:22,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2020-12-23 01:53:22,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:53:22,864 INFO L225 Difference]: With dead ends: 599 [2020-12-23 01:53:22,864 INFO L226 Difference]: Without dead ends: 296 [2020-12-23 01:53:22,870 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 01:53:22,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-12-23 01:53:22,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2020-12-23 01:53:22,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-12-23 01:53:22,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 421 transitions. [2020-12-23 01:53:22,909 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 421 transitions. Word has length 104 [2020-12-23 01:53:22,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:53:22,909 INFO L481 AbstractCegarLoop]: Abstraction has 296 states and 421 transitions. [2020-12-23 01:53:22,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:53:22,909 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 421 transitions. [2020-12-23 01:53:22,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-23 01:53:22,912 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:53:22,913 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-23 01:53:22,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 01:53:22,913 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:53:22,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:53:22,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1573604474, now seen corresponding path program 1 times [2020-12-23 01:53:22,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:53:22,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625100311] [2020-12-23 01:53:22,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:53:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:53:23,001 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:53:23,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625100311] [2020-12-23 01:53:23,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:53:23,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:53:23,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70675425] [2020-12-23 01:53:23,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:53:23,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:53:23,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:53:23,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:53:23,004 INFO L87 Difference]: Start difference. First operand 296 states and 421 transitions. Second operand 3 states. [2020-12-23 01:53:23,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:53:23,615 INFO L93 Difference]: Finished difference Result 872 states and 1244 transitions. [2020-12-23 01:53:23,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:53:23,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-12-23 01:53:23,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:53:23,621 INFO L225 Difference]: With dead ends: 872 [2020-12-23 01:53:23,622 INFO L226 Difference]: Without dead ends: 578 [2020-12-23 01:53:23,623 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 01:53:23,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2020-12-23 01:53:23,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 438. [2020-12-23 01:53:23,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 438 states. [2020-12-23 01:53:23,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 573 transitions. [2020-12-23 01:53:23,645 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 573 transitions. Word has length 111 [2020-12-23 01:53:23,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:53:23,645 INFO L481 AbstractCegarLoop]: Abstraction has 438 states and 573 transitions. [2020-12-23 01:53:23,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:53:23,646 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 573 transitions. [2020-12-23 01:53:23,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-23 01:53:23,649 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:53:23,649 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] [2020-12-23 01:53:23,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 01:53:23,649 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:53:23,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:53:23,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1831873039, now seen corresponding path program 1 times [2020-12-23 01:53:23,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:53:23,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298065637] [2020-12-23 01:53:23,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:53:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:53:23,755 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 01:53:23,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298065637] [2020-12-23 01:53:23,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:53:23,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:53:23,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773006484] [2020-12-23 01:53:23,758 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:53:23,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:53:23,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:53:23,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:53:23,759 INFO L87 Difference]: Start difference. First operand 438 states and 573 transitions. Second operand 3 states. [2020-12-23 01:53:24,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:53:24,410 INFO L93 Difference]: Finished difference Result 1017 states and 1348 transitions. [2020-12-23 01:53:24,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:53:24,412 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-12-23 01:53:24,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:53:24,416 INFO L225 Difference]: With dead ends: 1017 [2020-12-23 01:53:24,416 INFO L226 Difference]: Without dead ends: 581 [2020-12-23 01:53:24,417 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 01:53:24,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2020-12-23 01:53:24,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 579. [2020-12-23 01:53:24,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2020-12-23 01:53:24,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 754 transitions. [2020-12-23 01:53:24,449 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 754 transitions. Word has length 116 [2020-12-23 01:53:24,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:53:24,450 INFO L481 AbstractCegarLoop]: Abstraction has 579 states and 754 transitions. [2020-12-23 01:53:24,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:53:24,450 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 754 transitions. [2020-12-23 01:53:24,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-23 01:53:24,456 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:53:24,456 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] [2020-12-23 01:53:24,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 01:53:24,457 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:53:24,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:53:24,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1454931417, now seen corresponding path program 1 times [2020-12-23 01:53:24,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:53:24,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112583915] [2020-12-23 01:53:24,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:53:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:53:24,768 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 01:53:24,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112583915] [2020-12-23 01:53:24,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100640356] [2020-12-23 01:53:24,769 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 01:53:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:53:24,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:53:24,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:53:25,189 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 01:53:25,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:53:25,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-23 01:53:25,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898973318] [2020-12-23 01:53:25,194 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:53:25,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:53:25,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:53:25,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-23 01:53:25,198 INFO L87 Difference]: Start difference. First operand 579 states and 754 transitions. Second operand 3 states. [2020-12-23 01:53:25,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:53:25,841 INFO L93 Difference]: Finished difference Result 1585 states and 2049 transitions. [2020-12-23 01:53:25,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:53:25,842 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-12-23 01:53:25,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:53:25,852 INFO L225 Difference]: With dead ends: 1585 [2020-12-23 01:53:25,852 INFO L226 Difference]: Without dead ends: 1008 [2020-12-23 01:53:25,854 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-23 01:53:25,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2020-12-23 01:53:25,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 867. [2020-12-23 01:53:25,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2020-12-23 01:53:25,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1074 transitions. [2020-12-23 01:53:25,904 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1074 transitions. Word has length 120 [2020-12-23 01:53:25,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:53:25,906 INFO L481 AbstractCegarLoop]: Abstraction has 867 states and 1074 transitions. [2020-12-23 01:53:25,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:53:25,906 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1074 transitions. [2020-12-23 01:53:25,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-23 01:53:25,913 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:53:25,914 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] [2020-12-23 01:53:26,127 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:53:26,128 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:53:26,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:53:26,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1813100765, now seen corresponding path program 1 times [2020-12-23 01:53:26,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:53:26,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8062154] [2020-12-23 01:53:26,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:53:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:53:26,238 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 01:53:26,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8062154] [2020-12-23 01:53:26,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:53:26,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:53:26,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320207092] [2020-12-23 01:53:26,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:53:26,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:53:26,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:53:26,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:53:26,242 INFO L87 Difference]: Start difference. First operand 867 states and 1074 transitions. Second operand 3 states. [2020-12-23 01:53:26,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:53:26,883 INFO L93 Difference]: Finished difference Result 1726 states and 2137 transitions. [2020-12-23 01:53:26,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:53:26,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-12-23 01:53:26,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:53:26,889 INFO L225 Difference]: With dead ends: 1726 [2020-12-23 01:53:26,890 INFO L226 Difference]: Without dead ends: 861 [2020-12-23 01:53:26,892 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 01:53:26,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2020-12-23 01:53:26,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 861. [2020-12-23 01:53:26,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-12-23 01:53:26,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 985 transitions. [2020-12-23 01:53:26,917 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 985 transitions. Word has length 124 [2020-12-23 01:53:26,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:53:26,917 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 985 transitions. [2020-12-23 01:53:26,918 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:53:26,918 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 985 transitions. [2020-12-23 01:53:26,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-12-23 01:53:26,922 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:53:26,922 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-23 01:53:26,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 01:53:26,923 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:53:26,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:53:26,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1248286786, now seen corresponding path program 1 times [2020-12-23 01:53:26,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:53:26,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940875531] [2020-12-23 01:53:26,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:53:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:53:27,075 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 01:53:27,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940875531] [2020-12-23 01:53:27,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:53:27,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:53:27,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699341907] [2020-12-23 01:53:27,077 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:53:27,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:53:27,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:53:27,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:53:27,079 INFO L87 Difference]: Start difference. First operand 861 states and 985 transitions. Second operand 3 states. [2020-12-23 01:53:27,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:53:27,653 INFO L93 Difference]: Finished difference Result 2280 states and 2588 transitions. [2020-12-23 01:53:27,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:53:27,653 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 186 [2020-12-23 01:53:27,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:53:27,659 INFO L225 Difference]: With dead ends: 2280 [2020-12-23 01:53:27,659 INFO L226 Difference]: Without dead ends: 858 [2020-12-23 01:53:27,661 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 01:53:27,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2020-12-23 01:53:27,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 858. [2020-12-23 01:53:27,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 858 states. [2020-12-23 01:53:27,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 933 transitions. [2020-12-23 01:53:27,683 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 933 transitions. Word has length 186 [2020-12-23 01:53:27,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:53:27,684 INFO L481 AbstractCegarLoop]: Abstraction has 858 states and 933 transitions. [2020-12-23 01:53:27,684 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:53:27,684 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 933 transitions. [2020-12-23 01:53:27,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-12-23 01:53:27,688 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:53:27,689 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-23 01:53:27,689 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 01:53:27,689 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:53:27,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:53:27,690 INFO L82 PathProgramCache]: Analyzing trace with hash -428038373, now seen corresponding path program 1 times [2020-12-23 01:53:27,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:53:27,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421862654] [2020-12-23 01:53:27,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:53:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:53:27,861 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-12-23 01:53:27,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421862654] [2020-12-23 01:53:27,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:53:27,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:53:27,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255897079] [2020-12-23 01:53:27,863 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:53:27,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:53:27,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:53:27,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:53:27,865 INFO L87 Difference]: Start difference. First operand 858 states and 933 transitions. Second operand 3 states. [2020-12-23 01:53:28,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:53:28,408 INFO L93 Difference]: Finished difference Result 1992 states and 2182 transitions. [2020-12-23 01:53:28,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:53:28,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2020-12-23 01:53:28,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:53:28,409 INFO L225 Difference]: With dead ends: 1992 [2020-12-23 01:53:28,409 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 01:53:28,415 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 01:53:28,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 01:53:28,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 01:53:28,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 01:53:28,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 01:53:28,419 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 196 [2020-12-23 01:53:28,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:53:28,419 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 01:53:28,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:53:28,419 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 01:53:28,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 01:53:28,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 01:53:28,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 01:53:28,620 INFO L189 CegarLoopUtils]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,620 INFO L189 CegarLoopUtils]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,621 INFO L189 CegarLoopUtils]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,622 INFO L189 CegarLoopUtils]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-12-23 01:53:28,622 INFO L189 CegarLoopUtils]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-12-23 01:53:28,622 INFO L189 CegarLoopUtils]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-12-23 01:53:28,622 INFO L189 CegarLoopUtils]: For program point L566(line 566) no Hoare annotation was computed. [2020-12-23 01:53:28,622 INFO L189 CegarLoopUtils]: For program point L500(line 500) no Hoare annotation was computed. [2020-12-23 01:53:28,622 INFO L189 CegarLoopUtils]: For program point L434(line 434) no Hoare annotation was computed. [2020-12-23 01:53:28,622 INFO L189 CegarLoopUtils]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-12-23 01:53:28,623 INFO L189 CegarLoopUtils]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-12-23 01:53:28,623 INFO L189 CegarLoopUtils]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,624 INFO L189 CegarLoopUtils]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,624 INFO L189 CegarLoopUtils]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,624 INFO L189 CegarLoopUtils]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-12-23 01:53:28,624 INFO L189 CegarLoopUtils]: For program point L569(line 569) no Hoare annotation was computed. [2020-12-23 01:53:28,624 INFO L189 CegarLoopUtils]: For program point L503(line 503) no Hoare annotation was computed. [2020-12-23 01:53:28,624 INFO L189 CegarLoopUtils]: For program point L437(line 437) no Hoare annotation was computed. [2020-12-23 01:53:28,625 INFO L189 CegarLoopUtils]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-12-23 01:53:28,625 INFO L189 CegarLoopUtils]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,625 INFO L189 CegarLoopUtils]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,625 INFO L189 CegarLoopUtils]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,625 INFO L189 CegarLoopUtils]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-12-23 01:53:28,625 INFO L189 CegarLoopUtils]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-12-23 01:53:28,625 INFO L189 CegarLoopUtils]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-12-23 01:53:28,626 INFO L189 CegarLoopUtils]: For program point L572(line 572) no Hoare annotation was computed. [2020-12-23 01:53:28,626 INFO L189 CegarLoopUtils]: For program point L506(line 506) no Hoare annotation was computed. [2020-12-23 01:53:28,626 INFO L189 CegarLoopUtils]: For program point L440(line 440) no Hoare annotation was computed. [2020-12-23 01:53:28,626 INFO L189 CegarLoopUtils]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-12-23 01:53:28,631 INFO L189 CegarLoopUtils]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-12-23 01:53:28,632 INFO L189 CegarLoopUtils]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-12-23 01:53:28,632 INFO L189 CegarLoopUtils]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-12-23 01:53:28,632 INFO L189 CegarLoopUtils]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,632 INFO L189 CegarLoopUtils]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,632 INFO L189 CegarLoopUtils]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,633 INFO L189 CegarLoopUtils]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-12-23 01:53:28,633 INFO L189 CegarLoopUtils]: For program point L575(line 575) no Hoare annotation was computed. [2020-12-23 01:53:28,633 INFO L189 CegarLoopUtils]: For program point L509(line 509) no Hoare annotation was computed. [2020-12-23 01:53:28,633 INFO L189 CegarLoopUtils]: For program point L443(line 443) no Hoare annotation was computed. [2020-12-23 01:53:28,633 INFO L189 CegarLoopUtils]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-12-23 01:53:28,633 INFO L189 CegarLoopUtils]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-12-23 01:53:28,633 INFO L189 CegarLoopUtils]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-12-23 01:53:28,634 INFO L189 CegarLoopUtils]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,634 INFO L189 CegarLoopUtils]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,634 INFO L189 CegarLoopUtils]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,634 INFO L189 CegarLoopUtils]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-12-23 01:53:28,634 INFO L189 CegarLoopUtils]: For program point L578(line 578) no Hoare annotation was computed. [2020-12-23 01:53:28,637 INFO L189 CegarLoopUtils]: For program point L512(line 512) no Hoare annotation was computed. [2020-12-23 01:53:28,637 INFO L189 CegarLoopUtils]: For program point L446(line 446) no Hoare annotation was computed. [2020-12-23 01:53:28,637 INFO L189 CegarLoopUtils]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-12-23 01:53:28,638 INFO L189 CegarLoopUtils]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-12-23 01:53:28,638 INFO L189 CegarLoopUtils]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-12-23 01:53:28,638 INFO L189 CegarLoopUtils]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,638 INFO L189 CegarLoopUtils]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,641 INFO L189 CegarLoopUtils]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,641 INFO L189 CegarLoopUtils]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-12-23 01:53:28,642 INFO L189 CegarLoopUtils]: For program point L581(line 581) no Hoare annotation was computed. [2020-12-23 01:53:28,642 INFO L189 CegarLoopUtils]: For program point L515(line 515) no Hoare annotation was computed. [2020-12-23 01:53:28,642 INFO L189 CegarLoopUtils]: For program point L449(line 449) no Hoare annotation was computed. [2020-12-23 01:53:28,643 INFO L189 CegarLoopUtils]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-12-23 01:53:28,643 INFO L189 CegarLoopUtils]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,643 INFO L189 CegarLoopUtils]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,643 INFO L189 CegarLoopUtils]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,643 INFO L189 CegarLoopUtils]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-12-23 01:53:28,644 INFO L189 CegarLoopUtils]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-12-23 01:53:28,644 INFO L189 CegarLoopUtils]: For program point L584(line 584) no Hoare annotation was computed. [2020-12-23 01:53:28,644 INFO L189 CegarLoopUtils]: For program point L518(line 518) no Hoare annotation was computed. [2020-12-23 01:53:28,644 INFO L189 CegarLoopUtils]: For program point L452(line 452) no Hoare annotation was computed. [2020-12-23 01:53:28,644 INFO L189 CegarLoopUtils]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-12-23 01:53:28,644 INFO L189 CegarLoopUtils]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-12-23 01:53:28,644 INFO L189 CegarLoopUtils]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-12-23 01:53:28,644 INFO L189 CegarLoopUtils]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,645 INFO L189 CegarLoopUtils]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,645 INFO L189 CegarLoopUtils]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,645 INFO L189 CegarLoopUtils]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-12-23 01:53:28,645 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 01:53:28,645 INFO L189 CegarLoopUtils]: For program point L587(line 587) no Hoare annotation was computed. [2020-12-23 01:53:28,645 INFO L189 CegarLoopUtils]: For program point L521(line 521) no Hoare annotation was computed. [2020-12-23 01:53:28,645 INFO L189 CegarLoopUtils]: For program point L455(line 455) no Hoare annotation was computed. [2020-12-23 01:53:28,645 INFO L189 CegarLoopUtils]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-12-23 01:53:28,645 INFO L189 CegarLoopUtils]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-12-23 01:53:28,646 INFO L189 CegarLoopUtils]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-12-23 01:53:28,646 INFO L189 CegarLoopUtils]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-12-23 01:53:28,646 INFO L189 CegarLoopUtils]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,646 INFO L189 CegarLoopUtils]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,646 INFO L189 CegarLoopUtils]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,646 INFO L189 CegarLoopUtils]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-12-23 01:53:28,646 INFO L189 CegarLoopUtils]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-12-23 01:53:28,646 INFO L189 CegarLoopUtils]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-12-23 01:53:28,646 INFO L189 CegarLoopUtils]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-12-23 01:53:28,646 INFO L189 CegarLoopUtils]: For program point L590(line 590) no Hoare annotation was computed. [2020-12-23 01:53:28,647 INFO L189 CegarLoopUtils]: For program point L524(line 524) no Hoare annotation was computed. [2020-12-23 01:53:28,647 INFO L189 CegarLoopUtils]: For program point L458(line 458) no Hoare annotation was computed. [2020-12-23 01:53:28,647 INFO L189 CegarLoopUtils]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-12-23 01:53:28,647 INFO L189 CegarLoopUtils]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-12-23 01:53:28,647 INFO L189 CegarLoopUtils]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,647 INFO L189 CegarLoopUtils]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,647 INFO L189 CegarLoopUtils]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,647 INFO L189 CegarLoopUtils]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-12-23 01:53:28,647 INFO L189 CegarLoopUtils]: For program point L593(line 593) no Hoare annotation was computed. [2020-12-23 01:53:28,648 INFO L189 CegarLoopUtils]: For program point L527(line 527) no Hoare annotation was computed. [2020-12-23 01:53:28,648 INFO L189 CegarLoopUtils]: For program point L461(line 461) no Hoare annotation was computed. [2020-12-23 01:53:28,648 INFO L189 CegarLoopUtils]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-12-23 01:53:28,648 INFO L189 CegarLoopUtils]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-12-23 01:53:28,648 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 01:53:28,648 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2020-12-23 01:53:28,648 INFO L189 CegarLoopUtils]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,648 INFO L189 CegarLoopUtils]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,648 INFO L189 CegarLoopUtils]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,649 INFO L189 CegarLoopUtils]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-12-23 01:53:28,649 INFO L189 CegarLoopUtils]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-12-23 01:53:28,649 INFO L189 CegarLoopUtils]: For program point L596(line 596) no Hoare annotation was computed. [2020-12-23 01:53:28,649 INFO L189 CegarLoopUtils]: For program point L530(line 530) no Hoare annotation was computed. [2020-12-23 01:53:28,649 INFO L189 CegarLoopUtils]: For program point L464(line 464) no Hoare annotation was computed. [2020-12-23 01:53:28,649 INFO L189 CegarLoopUtils]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-12-23 01:53:28,649 INFO L189 CegarLoopUtils]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-12-23 01:53:28,649 INFO L189 CegarLoopUtils]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-12-23 01:53:28,650 INFO L189 CegarLoopUtils]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,650 INFO L189 CegarLoopUtils]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,650 INFO L189 CegarLoopUtils]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,650 INFO L189 CegarLoopUtils]: For program point L599(line 599) no Hoare annotation was computed. [2020-12-23 01:53:28,650 INFO L189 CegarLoopUtils]: For program point L533(line 533) no Hoare annotation was computed. [2020-12-23 01:53:28,650 INFO L189 CegarLoopUtils]: For program point L467(line 467) no Hoare annotation was computed. [2020-12-23 01:53:28,651 INFO L189 CegarLoopUtils]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-12-23 01:53:28,651 INFO L189 CegarLoopUtils]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-12-23 01:53:28,651 INFO L189 CegarLoopUtils]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,651 INFO L189 CegarLoopUtils]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,651 INFO L189 CegarLoopUtils]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,651 INFO L189 CegarLoopUtils]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-12-23 01:53:28,651 INFO L189 CegarLoopUtils]: For program point L602(line 602) no Hoare annotation was computed. [2020-12-23 01:53:28,651 INFO L189 CegarLoopUtils]: For program point L536(line 536) no Hoare annotation was computed. [2020-12-23 01:53:28,651 INFO L189 CegarLoopUtils]: For program point L470(line 470) no Hoare annotation was computed. [2020-12-23 01:53:28,652 INFO L189 CegarLoopUtils]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-12-23 01:53:28,652 INFO L189 CegarLoopUtils]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-12-23 01:53:28,652 INFO L189 CegarLoopUtils]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-12-23 01:53:28,652 INFO L189 CegarLoopUtils]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-12-23 01:53:28,652 INFO L189 CegarLoopUtils]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-12-23 01:53:28,652 INFO L189 CegarLoopUtils]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-12-23 01:53:28,652 INFO L189 CegarLoopUtils]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-12-23 01:53:28,652 INFO L189 CegarLoopUtils]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,652 INFO L189 CegarLoopUtils]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,653 INFO L189 CegarLoopUtils]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-12-23 01:53:28,653 INFO L189 CegarLoopUtils]: For program point L605(line 605) no Hoare annotation was computed. [2020-12-23 01:53:28,653 INFO L189 CegarLoopUtils]: For program point L539(line 539) no Hoare annotation was computed. [2020-12-23 01:53:28,653 INFO L189 CegarLoopUtils]: For program point L473(line 473) no Hoare annotation was computed. [2020-12-23 01:53:28,653 INFO L189 CegarLoopUtils]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-12-23 01:53:28,653 INFO L189 CegarLoopUtils]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-12-23 01:53:28,653 INFO L189 CegarLoopUtils]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-12-23 01:53:28,653 INFO L189 CegarLoopUtils]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-12-23 01:53:28,653 INFO L189 CegarLoopUtils]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-12-23 01:53:28,655 INFO L185 CegarLoopUtils]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a17~0 8)) (.cse2 (<= ~a28~0 10))) (or (and .cse0 (<= ~a28~0 7) .cse1) (and (<= ~a19~0 0) .cse1 .cse2) (and .cse0 (<= 8 ~a17~0) .cse1) (and .cse0 (<= 10 ~a28~0) (= ~a11~0 1) .cse1 .cse2))) [2020-12-23 01:53:28,656 INFO L189 CegarLoopUtils]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,656 INFO L189 CegarLoopUtils]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,656 INFO L189 CegarLoopUtils]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-12-23 01:53:28,656 INFO L189 CegarLoopUtils]: For program point L542(line 542) no Hoare annotation was computed. [2020-12-23 01:53:28,656 INFO L189 CegarLoopUtils]: For program point L476(line 476) no Hoare annotation was computed. [2020-12-23 01:53:28,656 INFO L189 CegarLoopUtils]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-12-23 01:53:28,656 INFO L189 CegarLoopUtils]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-12-23 01:53:28,656 INFO L189 CegarLoopUtils]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-12-23 01:53:28,657 INFO L192 CegarLoopUtils]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-12-23 01:53:28,657 INFO L189 CegarLoopUtils]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,657 INFO L189 CegarLoopUtils]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,657 INFO L189 CegarLoopUtils]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-12-23 01:53:28,657 INFO L189 CegarLoopUtils]: For program point L545(line 545) no Hoare annotation was computed. [2020-12-23 01:53:28,657 INFO L189 CegarLoopUtils]: For program point L479(line 479) no Hoare annotation was computed. [2020-12-23 01:53:28,657 INFO L189 CegarLoopUtils]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-12-23 01:53:28,657 INFO L189 CegarLoopUtils]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-12-23 01:53:28,658 INFO L189 CegarLoopUtils]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-12-23 01:53:28,658 INFO L189 CegarLoopUtils]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-12-23 01:53:28,658 INFO L189 CegarLoopUtils]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-12-23 01:53:28,658 INFO L189 CegarLoopUtils]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-12-23 01:53:28,658 INFO L189 CegarLoopUtils]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,658 INFO L189 CegarLoopUtils]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,658 INFO L189 CegarLoopUtils]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-12-23 01:53:28,661 INFO L189 CegarLoopUtils]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-12-23 01:53:28,661 INFO L189 CegarLoopUtils]: For program point L548(line 548) no Hoare annotation was computed. [2020-12-23 01:53:28,661 INFO L189 CegarLoopUtils]: For program point L482(line 482) no Hoare annotation was computed. [2020-12-23 01:53:28,661 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 01:53:28,661 INFO L189 CegarLoopUtils]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-12-23 01:53:28,661 INFO L189 CegarLoopUtils]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-12-23 01:53:28,662 INFO L185 CegarLoopUtils]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a17~0 8)) (.cse2 (<= ~a28~0 10))) (or (and .cse0 (<= ~a28~0 7) .cse1) (and (<= ~a19~0 0) .cse1 .cse2) (and .cse0 (<= 8 ~a17~0) .cse1) (and .cse0 (<= 10 ~a28~0) (= ~a11~0 1) .cse1 .cse2))) [2020-12-23 01:53:28,663 INFO L189 CegarLoopUtils]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,663 INFO L189 CegarLoopUtils]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,663 INFO L189 CegarLoopUtils]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-12-23 01:53:28,663 INFO L189 CegarLoopUtils]: For program point L551(line 551) no Hoare annotation was computed. [2020-12-23 01:53:28,663 INFO L189 CegarLoopUtils]: For program point L485(line 485) no Hoare annotation was computed. [2020-12-23 01:53:28,663 INFO L189 CegarLoopUtils]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-12-23 01:53:28,664 INFO L189 CegarLoopUtils]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-12-23 01:53:28,664 INFO L189 CegarLoopUtils]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,664 INFO L189 CegarLoopUtils]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,664 INFO L189 CegarLoopUtils]: For program point L554(line 554) no Hoare annotation was computed. [2020-12-23 01:53:28,664 INFO L189 CegarLoopUtils]: For program point L488(line 488) no Hoare annotation was computed. [2020-12-23 01:53:28,664 INFO L189 CegarLoopUtils]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-12-23 01:53:28,664 INFO L189 CegarLoopUtils]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-12-23 01:53:28,664 INFO L189 CegarLoopUtils]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-12-23 01:53:28,664 INFO L189 CegarLoopUtils]: For program point L621(line 621) no Hoare annotation was computed. [2020-12-23 01:53:28,664 INFO L189 CegarLoopUtils]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-12-23 01:53:28,665 INFO L189 CegarLoopUtils]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-12-23 01:53:28,665 INFO L189 CegarLoopUtils]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-12-23 01:53:28,665 INFO L189 CegarLoopUtils]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,665 INFO L189 CegarLoopUtils]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,665 INFO L189 CegarLoopUtils]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-12-23 01:53:28,665 INFO L189 CegarLoopUtils]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,665 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 01:53:28,665 INFO L189 CegarLoopUtils]: For program point L557(line 557) no Hoare annotation was computed. [2020-12-23 01:53:28,665 INFO L189 CegarLoopUtils]: For program point L491(line 491) no Hoare annotation was computed. [2020-12-23 01:53:28,666 INFO L189 CegarLoopUtils]: For program point L425(line 425) no Hoare annotation was computed. [2020-12-23 01:53:28,666 INFO L189 CegarLoopUtils]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-12-23 01:53:28,666 INFO L189 CegarLoopUtils]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-12-23 01:53:28,666 INFO L189 CegarLoopUtils]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-12-23 01:53:28,666 INFO L189 CegarLoopUtils]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,666 INFO L189 CegarLoopUtils]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,666 INFO L189 CegarLoopUtils]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,666 INFO L189 CegarLoopUtils]: For program point L560(line 560) no Hoare annotation was computed. [2020-12-23 01:53:28,666 INFO L189 CegarLoopUtils]: For program point L494(line 494) no Hoare annotation was computed. [2020-12-23 01:53:28,667 INFO L189 CegarLoopUtils]: For program point L428(line 428) no Hoare annotation was computed. [2020-12-23 01:53:28,667 INFO L189 CegarLoopUtils]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-12-23 01:53:28,667 INFO L189 CegarLoopUtils]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-12-23 01:53:28,667 INFO L189 CegarLoopUtils]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,667 INFO L189 CegarLoopUtils]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,667 INFO L189 CegarLoopUtils]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:53:28,667 INFO L189 CegarLoopUtils]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-12-23 01:53:28,667 INFO L189 CegarLoopUtils]: For program point L563(line 563) no Hoare annotation was computed. [2020-12-23 01:53:28,668 INFO L189 CegarLoopUtils]: For program point L497(line 497) no Hoare annotation was computed. [2020-12-23 01:53:28,668 INFO L189 CegarLoopUtils]: For program point L431(line 431) no Hoare annotation was computed. [2020-12-23 01:53:28,668 INFO L189 CegarLoopUtils]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-12-23 01:53:28,668 INFO L189 CegarLoopUtils]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-12-23 01:53:28,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 01:53:28 BoogieIcfgContainer [2020-12-23 01:53:28,700 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 01:53:28,700 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 01:53:28,700 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 01:53:28,700 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 01:53:28,701 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:53:20" (3/4) ... [2020-12-23 01:53:28,705 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 01:53:28,738 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-23 01:53:28,739 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-23 01:53:28,741 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 01:53:28,742 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 01:53:28,949 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem02_label02.c-witness.graphml [2020-12-23 01:53:28,949 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 01:53:28,953 INFO L168 Benchmark]: Toolchain (without parser) took 10539.13 ms. Allocated memory was 159.4 MB in the beginning and 247.5 MB in the end (delta: 88.1 MB). Free memory was 131.6 MB in the beginning and 219.3 MB in the end (delta: -87.6 MB). Peak memory consumption was 142.2 MB. Max. memory is 8.0 GB. [2020-12-23 01:53:28,954 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 159.4 MB. Free memory is still 133.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 01:53:28,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.27 ms. Allocated memory is still 159.4 MB. Free memory was 131.5 MB in the beginning and 105.3 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-12-23 01:53:28,955 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.56 ms. Allocated memory is still 159.4 MB. Free memory was 105.3 MB in the beginning and 100.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-23 01:53:28,955 INFO L168 Benchmark]: Boogie Preprocessor took 71.26 ms. Allocated memory is still 159.4 MB. Free memory was 100.0 MB in the beginning and 95.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-23 01:53:28,956 INFO L168 Benchmark]: RCFGBuilder took 1400.23 ms. Allocated memory is still 159.4 MB. Free memory was 95.3 MB in the beginning and 75.2 MB in the end (delta: 20.1 MB). Peak memory consumption was 48.4 MB. Max. memory is 8.0 GB. [2020-12-23 01:53:28,956 INFO L168 Benchmark]: TraceAbstraction took 7969.56 ms. Allocated memory was 159.4 MB in the beginning and 247.5 MB in the end (delta: 88.1 MB). Free memory was 74.7 MB in the beginning and 89.9 MB in the end (delta: -15.2 MB). Peak memory consumption was 73.4 MB. Max. memory is 8.0 GB. [2020-12-23 01:53:28,957 INFO L168 Benchmark]: Witness Printer took 249.27 ms. Allocated memory is still 247.5 MB. Free memory was 89.9 MB in the beginning and 219.3 MB in the end (delta: -129.3 MB). Peak memory consumption was 11.0 MB. Max. memory is 8.0 GB. [2020-12-23 01:53:28,959 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 159.4 MB. Free memory is still 133.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 730.27 ms. Allocated memory is still 159.4 MB. Free memory was 131.5 MB in the beginning and 105.3 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 108.56 ms. Allocated memory is still 159.4 MB. Free memory was 105.3 MB in the beginning and 100.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 71.26 ms. Allocated memory is still 159.4 MB. Free memory was 100.0 MB in the beginning and 95.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1400.23 ms. Allocated memory is still 159.4 MB. Free memory was 95.3 MB in the beginning and 75.2 MB in the end (delta: 20.1 MB). Peak memory consumption was 48.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7969.56 ms. Allocated memory was 159.4 MB in the beginning and 247.5 MB in the end (delta: 88.1 MB). Free memory was 74.7 MB in the beginning and 89.9 MB in the end (delta: -15.2 MB). Peak memory consumption was 73.4 MB. Max. memory is 8.0 GB. * Witness Printer took 249.27 ms. Allocated memory is still 247.5 MB. Free memory was 89.9 MB in the beginning and 219.3 MB in the end (delta: -129.3 MB). Peak memory consumption was 11.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 461]: 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: ((((a19 == 1 && a28 <= 7) && a17 <= 8) || ((a19 <= 0 && a17 <= 8) && a28 <= 10)) || ((a19 == 1 && 8 <= a17) && a17 <= 8)) || ((((a19 == 1 && 10 <= a28) && a11 == 1) && a17 <= 8) && a28 <= 10) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((a19 == 1 && a28 <= 7) && a17 <= 8) || ((a19 <= 0 && a17 <= 8) && a28 <= 10)) || ((a19 == 1 && 8 <= a17) && a17 <= 8)) || ((((a19 == 1 && 10 <= a28) && a11 == 1) && a17 <= 8) && a28 <= 10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.6s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 899 SDtfs, 1064 SDslu, 80 SDs, 0 SdLazy, 2630 SolverSat, 516 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=867occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 283 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 29 NumberOfFragments, 95 HoareAnnotationTreeSize, 3 FomulaSimplifications, 388 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 38 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1170 NumberOfCodeBlocks, 1170 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1161 ConstructedInterpolants, 0 QuantifiedInterpolants, 465663 SizeOfPredicates, 0 NumberOfNonLiveVariables, 263 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 403/419 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...