/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_label39.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 01:54:02,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 01:54:02,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 01:54:02,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 01:54:02,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 01:54:02,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 01:54:02,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 01:54:02,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 01:54:02,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 01:54:02,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 01:54:02,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 01:54:02,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 01:54:02,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 01:54:02,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 01:54:02,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 01:54:02,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 01:54:02,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 01:54:02,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 01:54:02,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 01:54:02,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 01:54:02,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 01:54:02,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 01:54:02,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 01:54:02,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 01:54:02,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 01:54:02,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 01:54:02,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 01:54:02,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 01:54:02,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 01:54:02,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 01:54:02,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 01:54:02,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 01:54:02,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 01:54:02,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 01:54:02,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 01:54:02,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 01:54:02,261 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 01:54:02,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 01:54:02,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 01:54:02,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 01:54:02,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 01:54:02,266 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 01:54:02,317 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 01:54:02,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 01:54:02,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 01:54:02,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 01:54:02,322 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 01:54:02,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 01:54:02,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 01:54:02,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 01:54:02,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 01:54:02,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 01:54:02,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 01:54:02,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 01:54:02,325 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 01:54:02,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 01:54:02,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 01:54:02,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 01:54:02,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 01:54:02,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 01:54:02,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 01:54:02,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 01:54:02,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 01:54:02,327 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 01:54:02,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 01:54:02,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 01:54:02,328 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 01:54:02,328 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 01:54:02,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 01:54:02,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 01:54:02,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 01:54:02,767 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 01:54:02,768 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 01:54:02,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label39.c [2020-12-23 01:54:02,868 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a0c0b8a95/61877e9120c34fd899ec09b442451ccf/FLAGd761d5eab [2020-12-23 01:54:03,651 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 01:54:03,652 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label39.c [2020-12-23 01:54:03,664 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a0c0b8a95/61877e9120c34fd899ec09b442451ccf/FLAGd761d5eab [2020-12-23 01:54:03,861 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a0c0b8a95/61877e9120c34fd899ec09b442451ccf [2020-12-23 01:54:03,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 01:54:03,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 01:54:03,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 01:54:03,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 01:54:03,873 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 01:54:03,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:54:03" (1/1) ... [2020-12-23 01:54:03,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24e88e88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:54:03, skipping insertion in model container [2020-12-23 01:54:03,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:54:03" (1/1) ... [2020-12-23 01:54:03,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 01:54:03,929 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 01:54:04,369 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_label39.c[18036,18049] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2020-12-23 01:54:04,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:54:04,414 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 01:54:04,564 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_label39.c[18036,18049] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2020-12-23 01:54:04,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 01:54:04,673 INFO L208 MainTranslator]: Completed translation [2020-12-23 01:54:04,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:54:04 WrapperNode [2020-12-23 01:54:04,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 01:54:04,676 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 01:54:04,676 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 01:54:04,676 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 01:54:04,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:54:04" (1/1) ... [2020-12-23 01:54:04,735 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:54:04" (1/1) ... [2020-12-23 01:54:04,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 01:54:04,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 01:54:04,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 01:54:04,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 01:54:04,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:54:04" (1/1) ... [2020-12-23 01:54:04,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:54:04" (1/1) ... [2020-12-23 01:54:04,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:54:04" (1/1) ... [2020-12-23 01:54:04,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:54:04" (1/1) ... [2020-12-23 01:54:04,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:54:04" (1/1) ... [2020-12-23 01:54:04,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:54:04" (1/1) ... [2020-12-23 01:54:04,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:54:04" (1/1) ... [2020-12-23 01:54:04,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 01:54:04,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 01:54:04,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 01:54:04,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 01:54:04,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:54:04" (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 01:54:05,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 01:54:05,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 01:54:05,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 01:54:05,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 01:54:06,469 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 01:54:06,470 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-23 01:54:06,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:54:06 BoogieIcfgContainer [2020-12-23 01:54:06,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 01:54:06,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 01:54:06,474 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 01:54:06,478 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 01:54:06,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:54:03" (1/3) ... [2020-12-23 01:54:06,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@604c0fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:54:06, skipping insertion in model container [2020-12-23 01:54:06,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:54:04" (2/3) ... [2020-12-23 01:54:06,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@604c0fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:54:06, skipping insertion in model container [2020-12-23 01:54:06,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:54:06" (3/3) ... [2020-12-23 01:54:06,482 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label39.c [2020-12-23 01:54:06,489 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 01:54:06,495 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 01:54:06,516 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 01:54:06,547 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 01:54:06,547 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 01:54:06,547 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 01:54:06,548 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 01:54:06,548 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 01:54:06,548 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 01:54:06,548 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 01:54:06,548 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 01:54:06,570 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2020-12-23 01:54:06,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-23 01:54:06,583 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:54:06,585 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:54:06,585 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:54:06,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:54:06,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1738135197, now seen corresponding path program 1 times [2020-12-23 01:54:06,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:54:06,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041331637] [2020-12-23 01:54:06,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:54:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:07,208 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 01:54:07,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041331637] [2020-12-23 01:54:07,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:54:07,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:54:07,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286549942] [2020-12-23 01:54:07,217 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:54:07,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:54:07,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:54:07,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:54:07,237 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 3 states. [2020-12-23 01:54:08,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:54:08,083 INFO L93 Difference]: Finished difference Result 630 states and 1070 transitions. [2020-12-23 01:54:08,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:54:08,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-12-23 01:54:08,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:54:08,103 INFO L225 Difference]: With dead ends: 630 [2020-12-23 01:54:08,104 INFO L226 Difference]: Without dead ends: 318 [2020-12-23 01:54:08,114 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 01:54:08,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-12-23 01:54:08,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2020-12-23 01:54:08,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-12-23 01:54:08,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 467 transitions. [2020-12-23 01:54:08,229 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 467 transitions. Word has length 111 [2020-12-23 01:54:08,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:54:08,231 INFO L481 AbstractCegarLoop]: Abstraction has 318 states and 467 transitions. [2020-12-23 01:54:08,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:54:08,231 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 467 transitions. [2020-12-23 01:54:08,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-23 01:54:08,238 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:54:08,238 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:54:08,238 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 01:54:08,239 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:54:08,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:54:08,242 INFO L82 PathProgramCache]: Analyzing trace with hash -215551336, now seen corresponding path program 1 times [2020-12-23 01:54:08,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:54:08,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156584294] [2020-12-23 01:54:08,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:54:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:08,401 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:54:08,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156584294] [2020-12-23 01:54:08,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:54:08,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:54:08,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133417460] [2020-12-23 01:54:08,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:54:08,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:54:08,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:54:08,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:54:08,406 INFO L87 Difference]: Start difference. First operand 318 states and 467 transitions. Second operand 3 states. [2020-12-23 01:54:09,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:54:09,089 INFO L93 Difference]: Finished difference Result 919 states and 1357 transitions. [2020-12-23 01:54:09,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:54:09,090 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-12-23 01:54:09,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:54:09,094 INFO L225 Difference]: With dead ends: 919 [2020-12-23 01:54:09,095 INFO L226 Difference]: Without dead ends: 603 [2020-12-23 01:54:09,101 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 01:54:09,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2020-12-23 01:54:09,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 601. [2020-12-23 01:54:09,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2020-12-23 01:54:09,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 776 transitions. [2020-12-23 01:54:09,153 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 776 transitions. Word has length 115 [2020-12-23 01:54:09,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:54:09,153 INFO L481 AbstractCegarLoop]: Abstraction has 601 states and 776 transitions. [2020-12-23 01:54:09,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:54:09,153 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 776 transitions. [2020-12-23 01:54:09,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-23 01:54:09,157 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:54:09,159 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:54:09,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 01:54:09,160 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:54:09,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:54:09,161 INFO L82 PathProgramCache]: Analyzing trace with hash -485950035, now seen corresponding path program 1 times [2020-12-23 01:54:09,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:54:09,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174445701] [2020-12-23 01:54:09,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:54:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:09,236 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:54:09,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174445701] [2020-12-23 01:54:09,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498530473] [2020-12-23 01:54:09,238 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 01:54:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:09,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:54:09,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:54:09,610 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 01:54:09,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:54:09,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-23 01:54:09,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985175218] [2020-12-23 01:54:09,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:54:09,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:54:09,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:54:09,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:54:09,616 INFO L87 Difference]: Start difference. First operand 601 states and 776 transitions. Second operand 3 states. [2020-12-23 01:54:10,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:54:10,330 INFO L93 Difference]: Finished difference Result 1486 states and 1973 transitions. [2020-12-23 01:54:10,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:54:10,331 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-12-23 01:54:10,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:54:10,337 INFO L225 Difference]: With dead ends: 1486 [2020-12-23 01:54:10,337 INFO L226 Difference]: Without dead ends: 887 [2020-12-23 01:54:10,339 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:54:10,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2020-12-23 01:54:10,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 885. [2020-12-23 01:54:10,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2020-12-23 01:54:10,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1155 transitions. [2020-12-23 01:54:10,362 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1155 transitions. Word has length 120 [2020-12-23 01:54:10,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:54:10,363 INFO L481 AbstractCegarLoop]: Abstraction has 885 states and 1155 transitions. [2020-12-23 01:54:10,363 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:54:10,363 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1155 transitions. [2020-12-23 01:54:10,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 01:54:10,367 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:54:10,367 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:54:10,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-12-23 01:54:10,581 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:54:10,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:54:10,582 INFO L82 PathProgramCache]: Analyzing trace with hash 63576167, now seen corresponding path program 1 times [2020-12-23 01:54:10,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:54:10,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068121455] [2020-12-23 01:54:10,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:54:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:10,661 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:54:10,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068121455] [2020-12-23 01:54:10,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:54:10,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 01:54:10,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328465582] [2020-12-23 01:54:10,664 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:54:10,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:54:10,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:54:10,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:54:10,668 INFO L87 Difference]: Start difference. First operand 885 states and 1155 transitions. Second operand 3 states. [2020-12-23 01:54:11,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:54:11,288 INFO L93 Difference]: Finished difference Result 2469 states and 3250 transitions. [2020-12-23 01:54:11,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:54:11,288 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2020-12-23 01:54:11,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:54:11,304 INFO L225 Difference]: With dead ends: 2469 [2020-12-23 01:54:11,305 INFO L226 Difference]: Without dead ends: 1586 [2020-12-23 01:54:11,307 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 01:54:11,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2020-12-23 01:54:11,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1586. [2020-12-23 01:54:11,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1586 states. [2020-12-23 01:54:11,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 1996 transitions. [2020-12-23 01:54:11,362 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 1996 transitions. Word has length 121 [2020-12-23 01:54:11,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:54:11,362 INFO L481 AbstractCegarLoop]: Abstraction has 1586 states and 1996 transitions. [2020-12-23 01:54:11,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:54:11,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 1996 transitions. [2020-12-23 01:54:11,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-12-23 01:54:11,372 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:54:11,373 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:54:11,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 01:54:11,373 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:54:11,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:54:11,375 INFO L82 PathProgramCache]: Analyzing trace with hash -823096665, now seen corresponding path program 1 times [2020-12-23 01:54:11,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:54:11,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601209641] [2020-12-23 01:54:11,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:54:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:11,518 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 01:54:11,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601209641] [2020-12-23 01:54:11,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124751687] [2020-12-23 01:54:11,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:54:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:11,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:54:11,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:54:11,787 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-23 01:54:11,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:54:11,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-12-23 01:54:11,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166300027] [2020-12-23 01:54:11,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:54:11,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:54:11,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:54:11,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:54:11,790 INFO L87 Difference]: Start difference. First operand 1586 states and 1996 transitions. Second operand 3 states. [2020-12-23 01:54:12,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:54:12,142 INFO L93 Difference]: Finished difference Result 3018 states and 3825 transitions. [2020-12-23 01:54:12,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:54:12,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-12-23 01:54:12,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:54:12,151 INFO L225 Difference]: With dead ends: 3018 [2020-12-23 01:54:12,152 INFO L226 Difference]: Without dead ends: 1434 [2020-12-23 01:54:12,154 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:54:12,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1434 states. [2020-12-23 01:54:12,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1434 to 1434. [2020-12-23 01:54:12,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1434 states. [2020-12-23 01:54:12,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 1786 transitions. [2020-12-23 01:54:12,200 INFO L78 Accepts]: Start accepts. Automaton has 1434 states and 1786 transitions. Word has length 126 [2020-12-23 01:54:12,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:54:12,202 INFO L481 AbstractCegarLoop]: Abstraction has 1434 states and 1786 transitions. [2020-12-23 01:54:12,202 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:54:12,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 1786 transitions. [2020-12-23 01:54:12,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-12-23 01:54:12,206 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:54:12,206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:54:12,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:54:12,416 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:54:12,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:54:12,417 INFO L82 PathProgramCache]: Analyzing trace with hash -297769562, now seen corresponding path program 1 times [2020-12-23 01:54:12,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:54:12,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304570650] [2020-12-23 01:54:12,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:54:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:12,528 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:54:12,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304570650] [2020-12-23 01:54:12,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:54:12,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 01:54:12,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613612629] [2020-12-23 01:54:12,530 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 01:54:12,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:54:12,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 01:54:12,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 01:54:12,532 INFO L87 Difference]: Start difference. First operand 1434 states and 1786 transitions. Second operand 5 states. [2020-12-23 01:54:13,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:54:13,726 INFO L93 Difference]: Finished difference Result 3611 states and 4481 transitions. [2020-12-23 01:54:13,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 01:54:13,727 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2020-12-23 01:54:13,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:54:13,737 INFO L225 Difference]: With dead ends: 3611 [2020-12-23 01:54:13,737 INFO L226 Difference]: Without dead ends: 2033 [2020-12-23 01:54:13,740 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-12-23 01:54:13,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2033 states. [2020-12-23 01:54:13,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2033 to 1434. [2020-12-23 01:54:13,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1434 states. [2020-12-23 01:54:13,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 1692 transitions. [2020-12-23 01:54:13,779 INFO L78 Accepts]: Start accepts. Automaton has 1434 states and 1692 transitions. Word has length 140 [2020-12-23 01:54:13,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:54:13,779 INFO L481 AbstractCegarLoop]: Abstraction has 1434 states and 1692 transitions. [2020-12-23 01:54:13,779 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 01:54:13,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 1692 transitions. [2020-12-23 01:54:13,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-12-23 01:54:13,783 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:54:13,783 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:54:13,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 01:54:13,783 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:54:13,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:54:13,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1227064464, now seen corresponding path program 1 times [2020-12-23 01:54:13,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:54:13,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232588866] [2020-12-23 01:54:13,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:54:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:13,916 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 32 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:54:13,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232588866] [2020-12-23 01:54:13,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170973501] [2020-12-23 01:54:13,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:54:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:14,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:54:14,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:54:14,181 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 01:54:14,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:54:14,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-23 01:54:14,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245538999] [2020-12-23 01:54:14,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:54:14,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:54:14,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:54:14,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 01:54:14,185 INFO L87 Difference]: Start difference. First operand 1434 states and 1692 transitions. Second operand 3 states. [2020-12-23 01:54:14,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:54:14,687 INFO L93 Difference]: Finished difference Result 2724 states and 3236 transitions. [2020-12-23 01:54:14,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:54:14,688 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2020-12-23 01:54:14,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:54:14,695 INFO L225 Difference]: With dead ends: 2724 [2020-12-23 01:54:14,695 INFO L226 Difference]: Without dead ends: 1432 [2020-12-23 01:54:14,697 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 01:54:14,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2020-12-23 01:54:14,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1432. [2020-12-23 01:54:14,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1432 states. [2020-12-23 01:54:14,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 1607 transitions. [2020-12-23 01:54:14,729 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 1607 transitions. Word has length 144 [2020-12-23 01:54:14,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:54:14,730 INFO L481 AbstractCegarLoop]: Abstraction has 1432 states and 1607 transitions. [2020-12-23 01:54:14,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:54:14,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 1607 transitions. [2020-12-23 01:54:14,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-23 01:54:14,734 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:54:14,734 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:54:14,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:54:14,948 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:54:14,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:54:14,949 INFO L82 PathProgramCache]: Analyzing trace with hash -35348223, now seen corresponding path program 1 times [2020-12-23 01:54:14,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:54:14,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716260635] [2020-12-23 01:54:14,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:54:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:15,030 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:54:15,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716260635] [2020-12-23 01:54:15,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:54:15,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:54:15,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657960340] [2020-12-23 01:54:15,032 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:54:15,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:54:15,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:54:15,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:54:15,033 INFO L87 Difference]: Start difference. First operand 1432 states and 1607 transitions. Second operand 3 states. [2020-12-23 01:54:15,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:54:15,517 INFO L93 Difference]: Finished difference Result 3572 states and 4035 transitions. [2020-12-23 01:54:15,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:54:15,518 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2020-12-23 01:54:15,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:54:15,529 INFO L225 Difference]: With dead ends: 3572 [2020-12-23 01:54:15,530 INFO L226 Difference]: Without dead ends: 2282 [2020-12-23 01:54:15,532 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 01:54:15,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2282 states. [2020-12-23 01:54:15,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2282 to 2275. [2020-12-23 01:54:15,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2275 states. [2020-12-23 01:54:15,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2275 states to 2275 states and 2496 transitions. [2020-12-23 01:54:15,593 INFO L78 Accepts]: Start accepts. Automaton has 2275 states and 2496 transitions. Word has length 151 [2020-12-23 01:54:15,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:54:15,594 INFO L481 AbstractCegarLoop]: Abstraction has 2275 states and 2496 transitions. [2020-12-23 01:54:15,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:54:15,594 INFO L276 IsEmpty]: Start isEmpty. Operand 2275 states and 2496 transitions. [2020-12-23 01:54:15,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-12-23 01:54:15,599 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:54:15,600 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:54:15,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 01:54:15,600 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:54:15,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:54:15,601 INFO L82 PathProgramCache]: Analyzing trace with hash 994413361, now seen corresponding path program 1 times [2020-12-23 01:54:15,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:54:15,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37379827] [2020-12-23 01:54:15,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:54:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:15,674 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-23 01:54:15,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37379827] [2020-12-23 01:54:15,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:54:15,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:54:15,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2809226] [2020-12-23 01:54:15,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:54:15,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:54:15,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:54:15,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:54:15,677 INFO L87 Difference]: Start difference. First operand 2275 states and 2496 transitions. Second operand 3 states. [2020-12-23 01:54:16,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:54:16,161 INFO L93 Difference]: Finished difference Result 3120 states and 3416 transitions. [2020-12-23 01:54:16,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:54:16,162 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2020-12-23 01:54:16,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:54:16,168 INFO L225 Difference]: With dead ends: 3120 [2020-12-23 01:54:16,169 INFO L226 Difference]: Without dead ends: 1137 [2020-12-23 01:54:16,172 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 01:54:16,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2020-12-23 01:54:16,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1137. [2020-12-23 01:54:16,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1137 states. [2020-12-23 01:54:16,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1200 transitions. [2020-12-23 01:54:16,197 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1200 transitions. Word has length 154 [2020-12-23 01:54:16,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:54:16,197 INFO L481 AbstractCegarLoop]: Abstraction has 1137 states and 1200 transitions. [2020-12-23 01:54:16,197 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:54:16,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1200 transitions. [2020-12-23 01:54:16,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-12-23 01:54:16,201 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:54:16,201 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-23 01:54:16,201 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 01:54:16,201 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:54:16,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:54:16,202 INFO L82 PathProgramCache]: Analyzing trace with hash -1685031397, now seen corresponding path program 1 times [2020-12-23 01:54:16,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:54:16,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916485830] [2020-12-23 01:54:16,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:54:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:16,323 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:54:16,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916485830] [2020-12-23 01:54:16,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:54:16,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 01:54:16,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189202690] [2020-12-23 01:54:16,325 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:54:16,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:54:16,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:54:16,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 01:54:16,328 INFO L87 Difference]: Start difference. First operand 1137 states and 1200 transitions. Second operand 3 states. [2020-12-23 01:54:16,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:54:16,767 INFO L93 Difference]: Finished difference Result 1987 states and 2097 transitions. [2020-12-23 01:54:16,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:54:16,768 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-12-23 01:54:16,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:54:16,773 INFO L225 Difference]: With dead ends: 1987 [2020-12-23 01:54:16,773 INFO L226 Difference]: Without dead ends: 992 [2020-12-23 01:54:16,775 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 01:54:16,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2020-12-23 01:54:16,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 992. [2020-12-23 01:54:16,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 992 states. [2020-12-23 01:54:16,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1023 transitions. [2020-12-23 01:54:16,797 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1023 transitions. Word has length 189 [2020-12-23 01:54:16,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:54:16,798 INFO L481 AbstractCegarLoop]: Abstraction has 992 states and 1023 transitions. [2020-12-23 01:54:16,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:54:16,798 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1023 transitions. [2020-12-23 01:54:16,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-12-23 01:54:16,802 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:54:16,802 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 01:54:16,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 01:54:16,803 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:54:16,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:54:16,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1973474355, now seen corresponding path program 1 times [2020-12-23 01:54:16,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:54:16,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975674197] [2020-12-23 01:54:16,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:54:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:17,142 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 150 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:54:17,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975674197] [2020-12-23 01:54:17,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302120268] [2020-12-23 01:54:17,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:54:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:17,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-23 01:54:17,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 01:54:17,499 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-12-23 01:54:17,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 01:54:17,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2020-12-23 01:54:17,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915620271] [2020-12-23 01:54:17,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 01:54:17,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:54:17,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 01:54:17,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-23 01:54:17,502 INFO L87 Difference]: Start difference. First operand 992 states and 1023 transitions. Second operand 3 states. [2020-12-23 01:54:17,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:54:17,906 INFO L93 Difference]: Finished difference Result 2122 states and 2187 transitions. [2020-12-23 01:54:17,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:54:17,906 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 241 [2020-12-23 01:54:17,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:54:17,912 INFO L225 Difference]: With dead ends: 2122 [2020-12-23 01:54:17,912 INFO L226 Difference]: Without dead ends: 990 [2020-12-23 01:54:17,914 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-23 01:54:17,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2020-12-23 01:54:17,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 990. [2020-12-23 01:54:17,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 990 states. [2020-12-23 01:54:17,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 990 states and 1015 transitions. [2020-12-23 01:54:17,936 INFO L78 Accepts]: Start accepts. Automaton has 990 states and 1015 transitions. Word has length 241 [2020-12-23 01:54:17,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:54:17,937 INFO L481 AbstractCegarLoop]: Abstraction has 990 states and 1015 transitions. [2020-12-23 01:54:17,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 01:54:17,937 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 1015 transitions. [2020-12-23 01:54:17,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-23 01:54:17,957 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 01:54:17,958 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:54:18,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 01:54:18,173 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 01:54:18,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 01:54:18,174 INFO L82 PathProgramCache]: Analyzing trace with hash 995979598, now seen corresponding path program 1 times [2020-12-23 01:54:18,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 01:54:18,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376240467] [2020-12-23 01:54:18,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 01:54:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 01:54:18,402 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 01:54:18,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376240467] [2020-12-23 01:54:18,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 01:54:18,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 01:54:18,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487857054] [2020-12-23 01:54:18,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 01:54:18,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 01:54:18,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 01:54:18,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 01:54:18,405 INFO L87 Difference]: Start difference. First operand 990 states and 1015 transitions. Second operand 4 states. [2020-12-23 01:54:18,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 01:54:18,802 INFO L93 Difference]: Finished difference Result 1694 states and 1742 transitions. [2020-12-23 01:54:18,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 01:54:18,803 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 246 [2020-12-23 01:54:18,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 01:54:18,803 INFO L225 Difference]: With dead ends: 1694 [2020-12-23 01:54:18,804 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 01:54:18,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-23 01:54:18,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 01:54:18,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 01:54:18,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 01:54:18,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 01:54:18,808 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 246 [2020-12-23 01:54:18,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 01:54:18,809 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 01:54:18,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 01:54:18,809 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 01:54:18,809 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 01:54:18,809 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 01:54:18,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 01:54:19,096 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2020-12-23 01:54:19,314 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2020-12-23 01:54:19,319 INFO L189 CegarLoopUtils]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,319 INFO L189 CegarLoopUtils]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,320 INFO L189 CegarLoopUtils]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,320 INFO L189 CegarLoopUtils]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-12-23 01:54:19,320 INFO L189 CegarLoopUtils]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-12-23 01:54:19,320 INFO L189 CegarLoopUtils]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-12-23 01:54:19,320 INFO L189 CegarLoopUtils]: For program point L566(line 566) no Hoare annotation was computed. [2020-12-23 01:54:19,320 INFO L189 CegarLoopUtils]: For program point L500(line 500) no Hoare annotation was computed. [2020-12-23 01:54:19,320 INFO L189 CegarLoopUtils]: For program point L434(line 434) no Hoare annotation was computed. [2020-12-23 01:54:19,320 INFO L189 CegarLoopUtils]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-12-23 01:54:19,321 INFO L189 CegarLoopUtils]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-12-23 01:54:19,321 INFO L189 CegarLoopUtils]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,321 INFO L189 CegarLoopUtils]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,321 INFO L189 CegarLoopUtils]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,321 INFO L189 CegarLoopUtils]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-12-23 01:54:19,321 INFO L189 CegarLoopUtils]: For program point L569(line 569) no Hoare annotation was computed. [2020-12-23 01:54:19,321 INFO L189 CegarLoopUtils]: For program point L503(line 503) no Hoare annotation was computed. [2020-12-23 01:54:19,321 INFO L189 CegarLoopUtils]: For program point L437(line 437) no Hoare annotation was computed. [2020-12-23 01:54:19,322 INFO L189 CegarLoopUtils]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-12-23 01:54:19,322 INFO L189 CegarLoopUtils]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,322 INFO L189 CegarLoopUtils]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,322 INFO L189 CegarLoopUtils]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,322 INFO L189 CegarLoopUtils]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-12-23 01:54:19,322 INFO L189 CegarLoopUtils]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-12-23 01:54:19,322 INFO L189 CegarLoopUtils]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-12-23 01:54:19,322 INFO L189 CegarLoopUtils]: For program point L572(line 572) no Hoare annotation was computed. [2020-12-23 01:54:19,322 INFO L189 CegarLoopUtils]: For program point L506(line 506) no Hoare annotation was computed. [2020-12-23 01:54:19,322 INFO L189 CegarLoopUtils]: For program point L440(line 440) no Hoare annotation was computed. [2020-12-23 01:54:19,322 INFO L189 CegarLoopUtils]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-12-23 01:54:19,322 INFO L189 CegarLoopUtils]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-12-23 01:54:19,323 INFO L189 CegarLoopUtils]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-12-23 01:54:19,323 INFO L189 CegarLoopUtils]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-12-23 01:54:19,323 INFO L189 CegarLoopUtils]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,323 INFO L189 CegarLoopUtils]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,323 INFO L189 CegarLoopUtils]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,323 INFO L189 CegarLoopUtils]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-12-23 01:54:19,323 INFO L189 CegarLoopUtils]: For program point L575(line 575) no Hoare annotation was computed. [2020-12-23 01:54:19,323 INFO L189 CegarLoopUtils]: For program point L509(line 509) no Hoare annotation was computed. [2020-12-23 01:54:19,323 INFO L189 CegarLoopUtils]: For program point L443(line 443) no Hoare annotation was computed. [2020-12-23 01:54:19,323 INFO L189 CegarLoopUtils]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-12-23 01:54:19,323 INFO L189 CegarLoopUtils]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-12-23 01:54:19,323 INFO L189 CegarLoopUtils]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-12-23 01:54:19,323 INFO L189 CegarLoopUtils]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,323 INFO L189 CegarLoopUtils]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,324 INFO L189 CegarLoopUtils]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,324 INFO L189 CegarLoopUtils]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-12-23 01:54:19,324 INFO L189 CegarLoopUtils]: For program point L578(line 578) no Hoare annotation was computed. [2020-12-23 01:54:19,324 INFO L189 CegarLoopUtils]: For program point L512(line 512) no Hoare annotation was computed. [2020-12-23 01:54:19,324 INFO L189 CegarLoopUtils]: For program point L446(line 446) no Hoare annotation was computed. [2020-12-23 01:54:19,324 INFO L189 CegarLoopUtils]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-12-23 01:54:19,324 INFO L189 CegarLoopUtils]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-12-23 01:54:19,324 INFO L189 CegarLoopUtils]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-12-23 01:54:19,324 INFO L189 CegarLoopUtils]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,324 INFO L189 CegarLoopUtils]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,324 INFO L189 CegarLoopUtils]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,324 INFO L189 CegarLoopUtils]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-12-23 01:54:19,324 INFO L189 CegarLoopUtils]: For program point L581(line 581) no Hoare annotation was computed. [2020-12-23 01:54:19,325 INFO L189 CegarLoopUtils]: For program point L515(line 515) no Hoare annotation was computed. [2020-12-23 01:54:19,325 INFO L189 CegarLoopUtils]: For program point L449(line 449) no Hoare annotation was computed. [2020-12-23 01:54:19,325 INFO L189 CegarLoopUtils]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-12-23 01:54:19,325 INFO L189 CegarLoopUtils]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,325 INFO L189 CegarLoopUtils]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,325 INFO L189 CegarLoopUtils]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,325 INFO L189 CegarLoopUtils]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-12-23 01:54:19,325 INFO L189 CegarLoopUtils]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-12-23 01:54:19,325 INFO L189 CegarLoopUtils]: For program point L584(line 584) no Hoare annotation was computed. [2020-12-23 01:54:19,325 INFO L189 CegarLoopUtils]: For program point L518(line 518) no Hoare annotation was computed. [2020-12-23 01:54:19,326 INFO L189 CegarLoopUtils]: For program point L452(line 452) no Hoare annotation was computed. [2020-12-23 01:54:19,326 INFO L189 CegarLoopUtils]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-12-23 01:54:19,326 INFO L189 CegarLoopUtils]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-12-23 01:54:19,326 INFO L189 CegarLoopUtils]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-12-23 01:54:19,326 INFO L189 CegarLoopUtils]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,326 INFO L189 CegarLoopUtils]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,326 INFO L189 CegarLoopUtils]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,326 INFO L189 CegarLoopUtils]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-12-23 01:54:19,326 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 01:54:19,326 INFO L189 CegarLoopUtils]: For program point L587(line 587) no Hoare annotation was computed. [2020-12-23 01:54:19,326 INFO L189 CegarLoopUtils]: For program point L521(line 521) no Hoare annotation was computed. [2020-12-23 01:54:19,326 INFO L189 CegarLoopUtils]: For program point L455(line 455) no Hoare annotation was computed. [2020-12-23 01:54:19,326 INFO L189 CegarLoopUtils]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-12-23 01:54:19,327 INFO L189 CegarLoopUtils]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-12-23 01:54:19,327 INFO L189 CegarLoopUtils]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-12-23 01:54:19,327 INFO L189 CegarLoopUtils]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-12-23 01:54:19,327 INFO L189 CegarLoopUtils]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,327 INFO L189 CegarLoopUtils]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,327 INFO L189 CegarLoopUtils]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,327 INFO L189 CegarLoopUtils]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-12-23 01:54:19,327 INFO L189 CegarLoopUtils]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-12-23 01:54:19,327 INFO L189 CegarLoopUtils]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-12-23 01:54:19,327 INFO L189 CegarLoopUtils]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-12-23 01:54:19,327 INFO L189 CegarLoopUtils]: For program point L590(line 590) no Hoare annotation was computed. [2020-12-23 01:54:19,327 INFO L189 CegarLoopUtils]: For program point L524(line 524) no Hoare annotation was computed. [2020-12-23 01:54:19,327 INFO L189 CegarLoopUtils]: For program point L458(line 458) no Hoare annotation was computed. [2020-12-23 01:54:19,327 INFO L189 CegarLoopUtils]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-12-23 01:54:19,328 INFO L189 CegarLoopUtils]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-12-23 01:54:19,328 INFO L189 CegarLoopUtils]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,328 INFO L189 CegarLoopUtils]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,328 INFO L189 CegarLoopUtils]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,328 INFO L189 CegarLoopUtils]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-12-23 01:54:19,328 INFO L189 CegarLoopUtils]: For program point L593(line 593) no Hoare annotation was computed. [2020-12-23 01:54:19,328 INFO L189 CegarLoopUtils]: For program point L527(line 527) no Hoare annotation was computed. [2020-12-23 01:54:19,328 INFO L189 CegarLoopUtils]: For program point L461(line 461) no Hoare annotation was computed. [2020-12-23 01:54:19,328 INFO L189 CegarLoopUtils]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-12-23 01:54:19,328 INFO L189 CegarLoopUtils]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-12-23 01:54:19,328 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 01:54:19,328 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 515) no Hoare annotation was computed. [2020-12-23 01:54:19,329 INFO L189 CegarLoopUtils]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,329 INFO L189 CegarLoopUtils]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,329 INFO L189 CegarLoopUtils]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,329 INFO L189 CegarLoopUtils]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-12-23 01:54:19,329 INFO L189 CegarLoopUtils]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-12-23 01:54:19,329 INFO L189 CegarLoopUtils]: For program point L596(line 596) no Hoare annotation was computed. [2020-12-23 01:54:19,329 INFO L189 CegarLoopUtils]: For program point L530(line 530) no Hoare annotation was computed. [2020-12-23 01:54:19,329 INFO L189 CegarLoopUtils]: For program point L464(line 464) no Hoare annotation was computed. [2020-12-23 01:54:19,329 INFO L189 CegarLoopUtils]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-12-23 01:54:19,329 INFO L189 CegarLoopUtils]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-12-23 01:54:19,329 INFO L189 CegarLoopUtils]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-12-23 01:54:19,329 INFO L189 CegarLoopUtils]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,329 INFO L189 CegarLoopUtils]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,329 INFO L189 CegarLoopUtils]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,330 INFO L189 CegarLoopUtils]: For program point L599(line 599) no Hoare annotation was computed. [2020-12-23 01:54:19,330 INFO L189 CegarLoopUtils]: For program point L533(line 533) no Hoare annotation was computed. [2020-12-23 01:54:19,330 INFO L189 CegarLoopUtils]: For program point L467(line 467) no Hoare annotation was computed. [2020-12-23 01:54:19,330 INFO L189 CegarLoopUtils]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-12-23 01:54:19,330 INFO L189 CegarLoopUtils]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-12-23 01:54:19,330 INFO L189 CegarLoopUtils]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,330 INFO L189 CegarLoopUtils]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,330 INFO L189 CegarLoopUtils]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,330 INFO L189 CegarLoopUtils]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-12-23 01:54:19,330 INFO L189 CegarLoopUtils]: For program point L602(line 602) no Hoare annotation was computed. [2020-12-23 01:54:19,330 INFO L189 CegarLoopUtils]: For program point L536(line 536) no Hoare annotation was computed. [2020-12-23 01:54:19,330 INFO L189 CegarLoopUtils]: For program point L470(line 470) no Hoare annotation was computed. [2020-12-23 01:54:19,330 INFO L189 CegarLoopUtils]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-12-23 01:54:19,330 INFO L189 CegarLoopUtils]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-12-23 01:54:19,331 INFO L189 CegarLoopUtils]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-12-23 01:54:19,331 INFO L189 CegarLoopUtils]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-12-23 01:54:19,331 INFO L189 CegarLoopUtils]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-12-23 01:54:19,331 INFO L189 CegarLoopUtils]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-12-23 01:54:19,331 INFO L189 CegarLoopUtils]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-12-23 01:54:19,331 INFO L189 CegarLoopUtils]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,331 INFO L189 CegarLoopUtils]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,331 INFO L189 CegarLoopUtils]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-12-23 01:54:19,331 INFO L189 CegarLoopUtils]: For program point L605(line 605) no Hoare annotation was computed. [2020-12-23 01:54:19,331 INFO L189 CegarLoopUtils]: For program point L539(line 539) no Hoare annotation was computed. [2020-12-23 01:54:19,331 INFO L189 CegarLoopUtils]: For program point L473(line 473) no Hoare annotation was computed. [2020-12-23 01:54:19,331 INFO L189 CegarLoopUtils]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-12-23 01:54:19,331 INFO L189 CegarLoopUtils]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-12-23 01:54:19,331 INFO L189 CegarLoopUtils]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-12-23 01:54:19,332 INFO L189 CegarLoopUtils]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-12-23 01:54:19,332 INFO L189 CegarLoopUtils]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-12-23 01:54:19,332 INFO L185 CegarLoopUtils]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse1 (= ~a21~0 1)) (.cse2 (= ~a17~0 8)) (.cse5 (<= ~a19~0 0)) (.cse10 (<= ~a28~0 9)) (.cse9 (<= 9 ~a28~0)) (.cse4 (<= ~a28~0 7)) (.cse8 (= ~a11~0 1)) (.cse0 (= ~a19~0 1)) (.cse6 (= ~a25~0 1)) (.cse3 (= ~a11~0 0)) (.cse7 (<= ~a17~0 8))) (or (and (= ~a25~0 ~a11~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (= ~a28~0 10)) (and .cse5 .cse6 .cse3 .cse7 (<= ~a28~0 10)) (and .cse5 .cse8 .cse7) (and .cse9 .cse0 .cse3 .cse10 .cse7) (and .cse5 .cse10 .cse3 .cse7) (and .cse9 .cse0 .cse7 .cse8) (and .cse0 .cse6 .cse4 .cse8 (<= ~a17~0 7)) (and .cse0 .cse6 .cse3 .cse7))) [2020-12-23 01:54:19,332 INFO L189 CegarLoopUtils]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,333 INFO L189 CegarLoopUtils]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,333 INFO L189 CegarLoopUtils]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-12-23 01:54:19,333 INFO L189 CegarLoopUtils]: For program point L542(line 542) no Hoare annotation was computed. [2020-12-23 01:54:19,333 INFO L189 CegarLoopUtils]: For program point L476(line 476) no Hoare annotation was computed. [2020-12-23 01:54:19,333 INFO L189 CegarLoopUtils]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-12-23 01:54:19,333 INFO L189 CegarLoopUtils]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-12-23 01:54:19,333 INFO L189 CegarLoopUtils]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-12-23 01:54:19,333 INFO L192 CegarLoopUtils]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-12-23 01:54:19,333 INFO L189 CegarLoopUtils]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,333 INFO L189 CegarLoopUtils]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,333 INFO L189 CegarLoopUtils]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-12-23 01:54:19,333 INFO L189 CegarLoopUtils]: For program point L545(line 545) no Hoare annotation was computed. [2020-12-23 01:54:19,333 INFO L189 CegarLoopUtils]: For program point L479(line 479) no Hoare annotation was computed. [2020-12-23 01:54:19,333 INFO L189 CegarLoopUtils]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-12-23 01:54:19,334 INFO L189 CegarLoopUtils]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-12-23 01:54:19,334 INFO L189 CegarLoopUtils]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-12-23 01:54:19,334 INFO L189 CegarLoopUtils]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-12-23 01:54:19,334 INFO L189 CegarLoopUtils]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-12-23 01:54:19,334 INFO L189 CegarLoopUtils]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-12-23 01:54:19,334 INFO L189 CegarLoopUtils]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,334 INFO L189 CegarLoopUtils]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,334 INFO L189 CegarLoopUtils]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-12-23 01:54:19,334 INFO L189 CegarLoopUtils]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-12-23 01:54:19,334 INFO L189 CegarLoopUtils]: For program point L548(line 548) no Hoare annotation was computed. [2020-12-23 01:54:19,334 INFO L189 CegarLoopUtils]: For program point L482(line 482) no Hoare annotation was computed. [2020-12-23 01:54:19,334 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 01:54:19,334 INFO L189 CegarLoopUtils]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-12-23 01:54:19,334 INFO L189 CegarLoopUtils]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-12-23 01:54:19,335 INFO L185 CegarLoopUtils]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse1 (= ~a21~0 1)) (.cse2 (= ~a17~0 8)) (.cse5 (<= ~a19~0 0)) (.cse10 (<= ~a28~0 9)) (.cse9 (<= 9 ~a28~0)) (.cse4 (<= ~a28~0 7)) (.cse8 (= ~a11~0 1)) (.cse0 (= ~a19~0 1)) (.cse6 (= ~a25~0 1)) (.cse3 (= ~a11~0 0)) (.cse7 (<= ~a17~0 8))) (or (and (= ~a25~0 ~a11~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (= ~a28~0 10)) (and .cse5 .cse6 .cse3 .cse7 (<= ~a28~0 10)) (and .cse5 .cse8 .cse7) (and .cse9 .cse0 .cse3 .cse10 .cse7) (and .cse5 .cse10 .cse3 .cse7) (and .cse9 .cse0 .cse7 .cse8) (and .cse0 .cse6 .cse4 .cse8 (<= ~a17~0 7)) (and .cse0 .cse6 .cse3 .cse7))) [2020-12-23 01:54:19,335 INFO L189 CegarLoopUtils]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,335 INFO L189 CegarLoopUtils]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,335 INFO L189 CegarLoopUtils]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-12-23 01:54:19,335 INFO L189 CegarLoopUtils]: For program point L551(line 551) no Hoare annotation was computed. [2020-12-23 01:54:19,335 INFO L189 CegarLoopUtils]: For program point L485(line 485) no Hoare annotation was computed. [2020-12-23 01:54:19,335 INFO L189 CegarLoopUtils]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-12-23 01:54:19,335 INFO L189 CegarLoopUtils]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-12-23 01:54:19,335 INFO L189 CegarLoopUtils]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,335 INFO L189 CegarLoopUtils]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,335 INFO L189 CegarLoopUtils]: For program point L554(line 554) no Hoare annotation was computed. [2020-12-23 01:54:19,336 INFO L189 CegarLoopUtils]: For program point L488(line 488) no Hoare annotation was computed. [2020-12-23 01:54:19,336 INFO L189 CegarLoopUtils]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-12-23 01:54:19,336 INFO L189 CegarLoopUtils]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-12-23 01:54:19,336 INFO L189 CegarLoopUtils]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-12-23 01:54:19,336 INFO L189 CegarLoopUtils]: For program point L621(line 621) no Hoare annotation was computed. [2020-12-23 01:54:19,336 INFO L189 CegarLoopUtils]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-12-23 01:54:19,336 INFO L189 CegarLoopUtils]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-12-23 01:54:19,336 INFO L189 CegarLoopUtils]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-12-23 01:54:19,336 INFO L189 CegarLoopUtils]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,336 INFO L189 CegarLoopUtils]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,336 INFO L189 CegarLoopUtils]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-12-23 01:54:19,337 INFO L189 CegarLoopUtils]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,337 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 01:54:19,337 INFO L189 CegarLoopUtils]: For program point L557(line 557) no Hoare annotation was computed. [2020-12-23 01:54:19,337 INFO L189 CegarLoopUtils]: For program point L491(line 491) no Hoare annotation was computed. [2020-12-23 01:54:19,337 INFO L189 CegarLoopUtils]: For program point L425(line 425) no Hoare annotation was computed. [2020-12-23 01:54:19,337 INFO L189 CegarLoopUtils]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-12-23 01:54:19,337 INFO L189 CegarLoopUtils]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-12-23 01:54:19,337 INFO L189 CegarLoopUtils]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-12-23 01:54:19,337 INFO L189 CegarLoopUtils]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,337 INFO L189 CegarLoopUtils]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,337 INFO L189 CegarLoopUtils]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,337 INFO L189 CegarLoopUtils]: For program point L560(line 560) no Hoare annotation was computed. [2020-12-23 01:54:19,338 INFO L189 CegarLoopUtils]: For program point L494(line 494) no Hoare annotation was computed. [2020-12-23 01:54:19,338 INFO L189 CegarLoopUtils]: For program point L428(line 428) no Hoare annotation was computed. [2020-12-23 01:54:19,338 INFO L189 CegarLoopUtils]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-12-23 01:54:19,338 INFO L189 CegarLoopUtils]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-12-23 01:54:19,338 INFO L189 CegarLoopUtils]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,338 INFO L189 CegarLoopUtils]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,338 INFO L189 CegarLoopUtils]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-12-23 01:54:19,338 INFO L189 CegarLoopUtils]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-12-23 01:54:19,338 INFO L189 CegarLoopUtils]: For program point L563(line 563) no Hoare annotation was computed. [2020-12-23 01:54:19,338 INFO L189 CegarLoopUtils]: For program point L497(line 497) no Hoare annotation was computed. [2020-12-23 01:54:19,338 INFO L189 CegarLoopUtils]: For program point L431(line 431) no Hoare annotation was computed. [2020-12-23 01:54:19,338 INFO L189 CegarLoopUtils]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-12-23 01:54:19,338 INFO L189 CegarLoopUtils]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-12-23 01:54:19,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 01:54:19 BoogieIcfgContainer [2020-12-23 01:54:19,366 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 01:54:19,367 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 01:54:19,367 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 01:54:19,367 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 01:54:19,368 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:54:06" (3/4) ... [2020-12-23 01:54:19,371 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 01:54:19,398 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-23 01:54:19,400 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-23 01:54:19,401 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 01:54:19,402 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 01:54:19,556 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem02_label39.c-witness.graphml [2020-12-23 01:54:19,556 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 01:54:19,557 INFO L168 Benchmark]: Toolchain (without parser) took 15690.53 ms. Allocated memory was 154.1 MB in the beginning and 345.0 MB in the end (delta: 190.8 MB). Free memory was 128.0 MB in the beginning and 245.0 MB in the end (delta: -117.0 MB). Peak memory consumption was 73.9 MB. Max. memory is 8.0 GB. [2020-12-23 01:54:19,558 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 154.1 MB. Free memory is still 127.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 01:54:19,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 806.10 ms. Allocated memory is still 154.1 MB. Free memory was 127.8 MB in the beginning and 133.0 MB in the end (delta: -5.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 8.0 GB. [2020-12-23 01:54:19,559 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.17 ms. Allocated memory is still 154.1 MB. Free memory was 133.0 MB in the beginning and 127.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-23 01:54:19,559 INFO L168 Benchmark]: Boogie Preprocessor took 122.57 ms. Allocated memory is still 154.1 MB. Free memory was 127.5 MB in the beginning and 122.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-23 01:54:19,559 INFO L168 Benchmark]: RCFGBuilder took 1532.06 ms. Allocated memory is still 154.1 MB. Free memory was 122.8 MB in the beginning and 102.5 MB in the end (delta: 20.3 MB). Peak memory consumption was 80.6 MB. Max. memory is 8.0 GB. [2020-12-23 01:54:19,560 INFO L168 Benchmark]: TraceAbstraction took 12892.08 ms. Allocated memory was 154.1 MB in the beginning and 345.0 MB in the end (delta: 190.8 MB). Free memory was 102.0 MB in the beginning and 260.2 MB in the end (delta: -158.2 MB). Peak memory consumption was 178.4 MB. Max. memory is 8.0 GB. [2020-12-23 01:54:19,560 INFO L168 Benchmark]: Witness Printer took 189.58 ms. Allocated memory is still 345.0 MB. Free memory was 259.7 MB in the beginning and 245.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-12-23 01:54:19,562 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 154.1 MB. Free memory is still 127.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 806.10 ms. Allocated memory is still 154.1 MB. Free memory was 127.8 MB in the beginning and 133.0 MB in the end (delta: -5.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 140.17 ms. Allocated memory is still 154.1 MB. Free memory was 133.0 MB in the beginning and 127.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 122.57 ms. Allocated memory is still 154.1 MB. Free memory was 127.5 MB in the beginning and 122.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1532.06 ms. Allocated memory is still 154.1 MB. Free memory was 122.8 MB in the beginning and 102.5 MB in the end (delta: 20.3 MB). Peak memory consumption was 80.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 12892.08 ms. Allocated memory was 154.1 MB in the beginning and 345.0 MB in the end (delta: 190.8 MB). Free memory was 102.0 MB in the beginning and 260.2 MB in the end (delta: -158.2 MB). Peak memory consumption was 178.4 MB. Max. memory is 8.0 GB. * Witness Printer took 189.58 ms. Allocated memory is still 345.0 MB. Free memory was 259.7 MB in the beginning and 245.0 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 515]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: ((((((((((((a25 == a11 && a19 == 1) && a21 == 1) && a17 == 8) && a11 == 0) && a28 <= 7) || (((a19 == 1 && a21 == 1) && a17 == 8) && a28 == 10)) || ((((a19 <= 0 && a25 == 1) && a11 == 0) && a17 <= 8) && a28 <= 10)) || ((a19 <= 0 && a11 == 1) && a17 <= 8)) || ((((9 <= a28 && a19 == 1) && a11 == 0) && a28 <= 9) && a17 <= 8)) || (((a19 <= 0 && a28 <= 9) && a11 == 0) && a17 <= 8)) || (((9 <= a28 && a19 == 1) && a17 <= 8) && a11 == 1)) || ((((a19 == 1 && a25 == 1) && a28 <= 7) && a11 == 1) && a17 <= 7)) || (((a19 == 1 && a25 == 1) && a11 == 0) && a17 <= 8) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((((((((((a25 == a11 && a19 == 1) && a21 == 1) && a17 == 8) && a11 == 0) && a28 <= 7) || (((a19 == 1 && a21 == 1) && a17 == 8) && a28 == 10)) || ((((a19 <= 0 && a25 == 1) && a11 == 0) && a17 <= 8) && a28 <= 10)) || ((a19 <= 0 && a11 == 1) && a17 <= 8)) || ((((9 <= a28 && a19 == 1) && a11 == 0) && a28 <= 9) && a17 <= 8)) || (((a19 <= 0 && a28 <= 9) && a11 == 0) && a17 <= 8)) || (((9 <= a28 && a19 == 1) && a17 <= 8) && a11 == 1)) || ((((a19 == 1 && a25 == 1) && a28 <= 7) && a11 == 1) && a17 <= 7)) || (((a19 == 1 && a25 == 1) && a11 == 0) && a17 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.2s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1536 SDtfs, 1853 SDslu, 189 SDs, 0 SdLazy, 4406 SolverSat, 669 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 667 GetRequests, 639 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2275occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 610 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 41 NumberOfFragments, 261 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1050 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 162 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2489 NumberOfCodeBlocks, 2489 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2473 ConstructedInterpolants, 0 QuantifiedInterpolants, 1147022 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1235 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 1034/1134 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...