./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-lit/gr2006.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 574ddb4e Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-lit/gr2006.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3ef045eb54c58e8ecfe4972142a43378e1f3b08091dc3d5b7e399cf5703f1724 --- Real Ultimate output --- This is Ultimate 0.2.2-?-574ddb4 [2023-02-18 15:40:47,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 15:40:47,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 15:40:47,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 15:40:47,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 15:40:47,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 15:40:47,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 15:40:47,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 15:40:47,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 15:40:47,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 15:40:47,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 15:40:47,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 15:40:47,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 15:40:47,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 15:40:47,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 15:40:47,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 15:40:47,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 15:40:47,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 15:40:47,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 15:40:47,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 15:40:47,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 15:40:47,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 15:40:47,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 15:40:47,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 15:40:47,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 15:40:47,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 15:40:47,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 15:40:47,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 15:40:47,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 15:40:47,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 15:40:47,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 15:40:47,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 15:40:47,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 15:40:47,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 15:40:47,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 15:40:47,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 15:40:47,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 15:40:47,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 15:40:47,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 15:40:47,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 15:40:47,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 15:40:47,959 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-18 15:40:48,001 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 15:40:48,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 15:40:48,010 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 15:40:48,010 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 15:40:48,010 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 15:40:48,010 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 15:40:48,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 15:40:48,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 15:40:48,011 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 15:40:48,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 15:40:48,011 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-18 15:40:48,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 15:40:48,011 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-18 15:40:48,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 15:40:48,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-18 15:40:48,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 15:40:48,012 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-18 15:40:48,012 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-18 15:40:48,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-18 15:40:48,012 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 15:40:48,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-18 15:40:48,012 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 15:40:48,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 15:40:48,012 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 15:40:48,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 15:40:48,013 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 15:40:48,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 15:40:48,013 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-18 15:40:48,013 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 15:40:48,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-18 15:40:48,013 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 15:40:48,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-18 15:40:48,013 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 15:40:48,013 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 15:40:48,013 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 15:40:48,013 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ef045eb54c58e8ecfe4972142a43378e1f3b08091dc3d5b7e399cf5703f1724 [2023-02-18 15:40:48,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 15:40:48,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 15:40:48,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 15:40:48,198 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 15:40:48,198 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 15:40:48,198 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/gr2006.i [2023-02-18 15:40:49,206 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 15:40:49,330 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 15:40:49,330 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/gr2006.i [2023-02-18 15:40:49,334 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79306fba9/60812f9e960c40bcbab7bec9f1137aa2/FLAGa2e95599a [2023-02-18 15:40:49,343 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79306fba9/60812f9e960c40bcbab7bec9f1137aa2 [2023-02-18 15:40:49,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 15:40:49,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 15:40:49,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 15:40:49,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 15:40:49,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 15:40:49,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 03:40:49" (1/1) ... [2023-02-18 15:40:49,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@521866fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:40:49, skipping insertion in model container [2023-02-18 15:40:49,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 03:40:49" (1/1) ... [2023-02-18 15:40:49,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 15:40:49,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 15:40:49,452 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/gr2006.i[895,908] [2023-02-18 15:40:49,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 15:40:49,472 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 15:40:49,482 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/gr2006.i[895,908] [2023-02-18 15:40:49,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 15:40:49,494 INFO L208 MainTranslator]: Completed translation [2023-02-18 15:40:49,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:40:49 WrapperNode [2023-02-18 15:40:49,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 15:40:49,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 15:40:49,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 15:40:49,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 15:40:49,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:40:49" (1/1) ... [2023-02-18 15:40:49,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:40:49" (1/1) ... [2023-02-18 15:40:49,515 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2023-02-18 15:40:49,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 15:40:49,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 15:40:49,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 15:40:49,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 15:40:49,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:40:49" (1/1) ... [2023-02-18 15:40:49,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:40:49" (1/1) ... [2023-02-18 15:40:49,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:40:49" (1/1) ... [2023-02-18 15:40:49,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:40:49" (1/1) ... [2023-02-18 15:40:49,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:40:49" (1/1) ... [2023-02-18 15:40:49,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:40:49" (1/1) ... [2023-02-18 15:40:49,531 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:40:49" (1/1) ... [2023-02-18 15:40:49,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:40:49" (1/1) ... [2023-02-18 15:40:49,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 15:40:49,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 15:40:49,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 15:40:49,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 15:40:49,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:40:49" (1/1) ... [2023-02-18 15:40:49,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 15:40:49,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 15:40:49,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-18 15:40:49,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-18 15:40:49,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-18 15:40:49,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-18 15:40:49,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 15:40:49,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 15:40:49,634 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 15:40:49,636 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 15:40:49,746 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 15:40:49,750 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 15:40:49,752 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-18 15:40:49,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 03:40:49 BoogieIcfgContainer [2023-02-18 15:40:49,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 15:40:49,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-18 15:40:49,756 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-18 15:40:49,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-18 15:40:49,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 03:40:49" (1/3) ... [2023-02-18 15:40:49,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f2dbe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 03:40:49, skipping insertion in model container [2023-02-18 15:40:49,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 03:40:49" (2/3) ... [2023-02-18 15:40:49,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f2dbe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 03:40:49, skipping insertion in model container [2023-02-18 15:40:49,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 03:40:49" (3/3) ... [2023-02-18 15:40:49,763 INFO L112 eAbstractionObserver]: Analyzing ICFG gr2006.i [2023-02-18 15:40:49,773 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-18 15:40:49,773 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-18 15:40:49,802 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-18 15:40:49,807 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3a9eb960, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-18 15:40:49,807 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-18 15:40:49,809 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:49,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-18 15:40:49,813 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 15:40:49,813 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-18 15:40:49,814 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 15:40:49,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 15:40:49,817 INFO L85 PathProgramCache]: Analyzing trace with hash 890091623, now seen corresponding path program 1 times [2023-02-18 15:40:49,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 15:40:49,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016076852] [2023-02-18 15:40:49,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 15:40:49,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 15:40:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 15:40:49,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 15:40:49,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 15:40:49,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016076852] [2023-02-18 15:40:49,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016076852] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 15:40:49,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 15:40:49,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-18 15:40:49,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70510517] [2023-02-18 15:40:49,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 15:40:49,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-18 15:40:49,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 15:40:49,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-18 15:40:49,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-18 15:40:49,943 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:49,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 15:40:49,960 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2023-02-18 15:40:49,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-18 15:40:49,962 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-02-18 15:40:49,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 15:40:49,966 INFO L225 Difference]: With dead ends: 21 [2023-02-18 15:40:49,966 INFO L226 Difference]: Without dead ends: 9 [2023-02-18 15:40:49,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-18 15:40:49,971 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 15:40:49,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 15:40:49,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2023-02-18 15:40:49,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-02-18 15:40:49,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:49,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2023-02-18 15:40:49,990 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6 [2023-02-18 15:40:49,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 15:40:49,991 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2023-02-18 15:40:49,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:49,991 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2023-02-18 15:40:49,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-18 15:40:49,991 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 15:40:49,992 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 15:40:49,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-18 15:40:49,992 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 15:40:49,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 15:40:49,993 INFO L85 PathProgramCache]: Analyzing trace with hash 297871632, now seen corresponding path program 1 times [2023-02-18 15:40:49,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 15:40:49,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790172570] [2023-02-18 15:40:49,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 15:40:49,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 15:40:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 15:40:50,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 15:40:50,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 15:40:50,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790172570] [2023-02-18 15:40:50,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790172570] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 15:40:50,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 15:40:50,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-18 15:40:50,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692634059] [2023-02-18 15:40:50,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 15:40:50,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-18 15:40:50,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 15:40:50,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-18 15:40:50,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-18 15:40:50,048 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:50,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 15:40:50,060 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2023-02-18 15:40:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-18 15:40:50,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-02-18 15:40:50,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 15:40:50,062 INFO L225 Difference]: With dead ends: 23 [2023-02-18 15:40:50,062 INFO L226 Difference]: Without dead ends: 16 [2023-02-18 15:40:50,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-18 15:40:50,064 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 5 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 15:40:50,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 12 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 15:40:50,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2023-02-18 15:40:50,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 11. [2023-02-18 15:40:50,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:50,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2023-02-18 15:40:50,071 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 8 [2023-02-18 15:40:50,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 15:40:50,071 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2023-02-18 15:40:50,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:50,072 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2023-02-18 15:40:50,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-02-18 15:40:50,073 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 15:40:50,073 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 15:40:50,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-18 15:40:50,074 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 15:40:50,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 15:40:50,077 INFO L85 PathProgramCache]: Analyzing trace with hash 296024590, now seen corresponding path program 1 times [2023-02-18 15:40:50,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 15:40:50,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039567059] [2023-02-18 15:40:50,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 15:40:50,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 15:40:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 15:40:50,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 15:40:50,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 15:40:50,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039567059] [2023-02-18 15:40:50,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039567059] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 15:40:50,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 15:40:50,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-18 15:40:50,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280762148] [2023-02-18 15:40:50,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 15:40:50,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 15:40:50,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 15:40:50,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 15:40:50,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 15:40:50,118 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:50,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 15:40:50,148 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2023-02-18 15:40:50,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-18 15:40:50,149 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-02-18 15:40:50,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 15:40:50,149 INFO L225 Difference]: With dead ends: 18 [2023-02-18 15:40:50,149 INFO L226 Difference]: Without dead ends: 14 [2023-02-18 15:40:50,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 15:40:50,150 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 2 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 15:40:50,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 18 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 15:40:50,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2023-02-18 15:40:50,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-02-18 15:40:50,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:50,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2023-02-18 15:40:50,153 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 8 [2023-02-18 15:40:50,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 15:40:50,153 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2023-02-18 15:40:50,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:50,153 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-02-18 15:40:50,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-18 15:40:50,154 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 15:40:50,154 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 15:40:50,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-18 15:40:50,154 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 15:40:50,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 15:40:50,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1661002755, now seen corresponding path program 1 times [2023-02-18 15:40:50,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 15:40:50,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475304293] [2023-02-18 15:40:50,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 15:40:50,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 15:40:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 15:40:50,228 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 15:40:50,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 15:40:50,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475304293] [2023-02-18 15:40:50,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475304293] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 15:40:50,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670498008] [2023-02-18 15:40:50,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 15:40:50,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 15:40:50,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 15:40:50,245 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 15:40:50,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-18 15:40:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 15:40:50,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-18 15:40:50,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 15:40:50,329 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 15:40:50,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 15:40:50,340 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 15:40:50,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670498008] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 15:40:50,341 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 15:40:50,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-02-18 15:40:50,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923039495] [2023-02-18 15:40:50,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 15:40:50,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-18 15:40:50,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 15:40:50,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-18 15:40:50,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-02-18 15:40:50,342 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:50,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 15:40:50,370 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2023-02-18 15:40:50,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-18 15:40:50,371 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-02-18 15:40:50,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 15:40:50,371 INFO L225 Difference]: With dead ends: 35 [2023-02-18 15:40:50,371 INFO L226 Difference]: Without dead ends: 28 [2023-02-18 15:40:50,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-02-18 15:40:50,374 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 15:40:50,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 41 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 15:40:50,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2023-02-18 15:40:50,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 23. [2023-02-18 15:40:50,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 22 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:50,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2023-02-18 15:40:50,381 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 11 [2023-02-18 15:40:50,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 15:40:50,382 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2023-02-18 15:40:50,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:50,382 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2023-02-18 15:40:50,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-02-18 15:40:50,383 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 15:40:50,383 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 15:40:50,389 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-02-18 15:40:50,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 15:40:50,589 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 15:40:50,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 15:40:50,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1073415472, now seen corresponding path program 2 times [2023-02-18 15:40:50,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 15:40:50,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281295251] [2023-02-18 15:40:50,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 15:40:50,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 15:40:50,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 15:40:50,714 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 15:40:50,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 15:40:50,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281295251] [2023-02-18 15:40:50,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281295251] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 15:40:50,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730210419] [2023-02-18 15:40:50,714 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-18 15:40:50,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 15:40:50,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 15:40:50,729 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 15:40:50,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-18 15:40:50,799 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-18 15:40:50,800 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 15:40:50,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2023-02-18 15:40:50,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 15:40:50,839 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-18 15:40:50,840 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 15:40:50,876 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-18 15:40:50,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730210419] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 15:40:50,884 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 15:40:50,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2023-02-18 15:40:50,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716456357] [2023-02-18 15:40:50,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 15:40:50,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-02-18 15:40:50,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 15:40:50,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-02-18 15:40:50,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2023-02-18 15:40:50,886 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:50,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 15:40:50,972 INFO L93 Difference]: Finished difference Result 47 states and 60 transitions. [2023-02-18 15:40:50,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-02-18 15:40:50,973 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2023-02-18 15:40:50,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 15:40:50,973 INFO L225 Difference]: With dead ends: 47 [2023-02-18 15:40:50,973 INFO L226 Difference]: Without dead ends: 40 [2023-02-18 15:40:50,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 28 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=176, Invalid=376, Unknown=0, NotChecked=0, Total=552 [2023-02-18 15:40:50,975 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 5 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 15:40:50,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 47 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 15:40:50,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-02-18 15:40:50,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 36. [2023-02-18 15:40:50,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.1714285714285715) internal successors, (41), 35 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:50,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2023-02-18 15:40:50,981 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 20 [2023-02-18 15:40:50,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 15:40:50,982 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2023-02-18 15:40:50,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:50,982 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2023-02-18 15:40:50,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-02-18 15:40:50,984 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 15:40:50,984 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 5, 5, 1, 1, 1, 1, 1, 1] [2023-02-18 15:40:50,989 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-02-18 15:40:51,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 15:40:51,187 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 15:40:51,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 15:40:51,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1219917565, now seen corresponding path program 3 times [2023-02-18 15:40:51,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 15:40:51,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911388235] [2023-02-18 15:40:51,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 15:40:51,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 15:40:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 15:40:51,293 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 73 proven. 40 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-02-18 15:40:51,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 15:40:51,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911388235] [2023-02-18 15:40:51,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911388235] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 15:40:51,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674515277] [2023-02-18 15:40:51,294 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-18 15:40:51,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 15:40:51,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 15:40:51,310 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 15:40:51,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-18 15:40:51,354 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2023-02-18 15:40:51,354 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 15:40:51,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2023-02-18 15:40:51,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 15:40:51,439 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 9 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 15:40:51,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 15:40:51,571 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 9 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 15:40:51,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674515277] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 15:40:51,572 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 15:40:51,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 12] total 23 [2023-02-18 15:40:51,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582818215] [2023-02-18 15:40:51,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 15:40:51,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-02-18 15:40:51,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 15:40:51,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-02-18 15:40:51,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2023-02-18 15:40:51,586 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand has 23 states, 23 states have (on average 3.1739130434782608) internal successors, (73), 23 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:51,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 15:40:51,636 INFO L93 Difference]: Finished difference Result 104 states and 129 transitions. [2023-02-18 15:40:51,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-02-18 15:40:51,636 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.1739130434782608) internal successors, (73), 23 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2023-02-18 15:40:51,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 15:40:51,637 INFO L225 Difference]: With dead ends: 104 [2023-02-18 15:40:51,637 INFO L226 Difference]: Without dead ends: 84 [2023-02-18 15:40:51,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 50 SyntacticMatches, 5 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2023-02-18 15:40:51,638 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 17 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 15:40:51,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 49 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 15:40:51,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-02-18 15:40:51,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 81. [2023-02-18 15:40:51,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 80 states have (on average 1.075) internal successors, (86), 80 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:51,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 86 transitions. [2023-02-18 15:40:51,645 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 86 transitions. Word has length 35 [2023-02-18 15:40:51,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 15:40:51,645 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 86 transitions. [2023-02-18 15:40:51,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.1739130434782608) internal successors, (73), 23 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:51,646 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 86 transitions. [2023-02-18 15:40:51,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-02-18 15:40:51,647 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 15:40:51,647 INFO L195 NwaCegarLoop]: trace histogram [25, 24, 20, 5, 1, 1, 1, 1, 1, 1] [2023-02-18 15:40:51,661 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-02-18 15:40:51,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 15:40:51,852 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 15:40:51,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 15:40:51,853 INFO L85 PathProgramCache]: Analyzing trace with hash 399884816, now seen corresponding path program 4 times [2023-02-18 15:40:51,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 15:40:51,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103809905] [2023-02-18 15:40:51,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 15:40:51,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 15:40:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 15:40:52,231 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 268 proven. 610 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-02-18 15:40:52,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 15:40:52,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103809905] [2023-02-18 15:40:52,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103809905] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 15:40:52,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330189103] [2023-02-18 15:40:52,232 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-18 15:40:52,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 15:40:52,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 15:40:52,245 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 15:40:52,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-18 15:40:52,307 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-18 15:40:52,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 15:40:52,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 22 conjunts are in the unsatisfiable core [2023-02-18 15:40:52,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 15:40:52,512 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 268 proven. 610 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-02-18 15:40:52,512 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 15:40:52,933 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 268 proven. 610 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-02-18 15:40:52,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330189103] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 15:40:52,933 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 15:40:52,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 45 [2023-02-18 15:40:52,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015281249] [2023-02-18 15:40:52,934 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 15:40:52,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-02-18 15:40:52,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 15:40:52,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-02-18 15:40:52,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=990, Invalid=990, Unknown=0, NotChecked=0, Total=1980 [2023-02-18 15:40:52,938 INFO L87 Difference]: Start difference. First operand 81 states and 86 transitions. Second operand has 45 states, 45 states have (on average 3.066666666666667) internal successors, (138), 45 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:53,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 15:40:53,068 INFO L93 Difference]: Finished difference Result 170 states and 202 transitions. [2023-02-18 15:40:53,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-02-18 15:40:53,068 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 3.066666666666667) internal successors, (138), 45 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2023-02-18 15:40:53,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 15:40:53,072 INFO L225 Difference]: With dead ends: 170 [2023-02-18 15:40:53,072 INFO L226 Difference]: Without dead ends: 150 [2023-02-18 15:40:53,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 118 SyntacticMatches, 20 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=990, Invalid=990, Unknown=0, NotChecked=0, Total=1980 [2023-02-18 15:40:53,076 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 2 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 15:40:53,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 78 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 15:40:53,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2023-02-18 15:40:53,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 147. [2023-02-18 15:40:53,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 146 states have (on average 1.0410958904109588) internal successors, (152), 146 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:53,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 152 transitions. [2023-02-18 15:40:53,097 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 152 transitions. Word has length 80 [2023-02-18 15:40:53,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 15:40:53,098 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 152 transitions. [2023-02-18 15:40:53,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 3.066666666666667) internal successors, (138), 45 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:53,099 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 152 transitions. [2023-02-18 15:40:53,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-02-18 15:40:53,104 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 15:40:53,104 INFO L195 NwaCegarLoop]: trace histogram [47, 46, 42, 5, 1, 1, 1, 1, 1, 1] [2023-02-18 15:40:53,111 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-02-18 15:40:53,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 15:40:53,311 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 15:40:53,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 15:40:53,312 INFO L85 PathProgramCache]: Analyzing trace with hash -344528976, now seen corresponding path program 5 times [2023-02-18 15:40:53,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 15:40:53,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611384158] [2023-02-18 15:40:53,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 15:40:53,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 15:40:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 15:40:54,290 INFO L134 CoverageAnalysis]: Checked inductivity of 3243 backedges. 554 proven. 2667 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-02-18 15:40:54,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 15:40:54,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611384158] [2023-02-18 15:40:54,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611384158] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 15:40:54,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020079001] [2023-02-18 15:40:54,291 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-02-18 15:40:54,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 15:40:54,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 15:40:54,292 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 15:40:54,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-18 15:40:54,365 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2023-02-18 15:40:54,366 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 15:40:54,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 44 conjunts are in the unsatisfiable core [2023-02-18 15:40:54,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 15:40:55,005 INFO L134 CoverageAnalysis]: Checked inductivity of 3243 backedges. 554 proven. 2667 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-02-18 15:40:55,005 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 15:40:55,798 INFO L134 CoverageAnalysis]: Checked inductivity of 3243 backedges. 554 proven. 2667 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-02-18 15:40:55,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020079001] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 15:40:55,799 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 15:40:55,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45, 45] total 53 [2023-02-18 15:40:55,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217802736] [2023-02-18 15:40:55,799 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 15:40:55,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2023-02-18 15:40:55,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 15:40:55,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2023-02-18 15:40:55,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2023-02-18 15:40:55,801 INFO L87 Difference]: Start difference. First operand 147 states and 152 transitions. Second operand has 53 states, 53 states have (on average 3.0943396226415096) internal successors, (164), 53 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:55,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 15:40:55,904 INFO L93 Difference]: Finished difference Result 194 states and 212 transitions. [2023-02-18 15:40:55,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-02-18 15:40:55,905 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 3.0943396226415096) internal successors, (164), 53 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 146 [2023-02-18 15:40:55,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 15:40:55,906 INFO L225 Difference]: With dead ends: 194 [2023-02-18 15:40:55,906 INFO L226 Difference]: Without dead ends: 174 [2023-02-18 15:40:55,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 206 SyntacticMatches, 78 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1994 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2023-02-18 15:40:55,907 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 1 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 15:40:55,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 79 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 15:40:55,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-02-18 15:40:55,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 171. [2023-02-18 15:40:55,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 170 states have (on average 1.035294117647059) internal successors, (176), 170 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:55,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 176 transitions. [2023-02-18 15:40:55,918 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 176 transitions. Word has length 146 [2023-02-18 15:40:55,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 15:40:55,919 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 176 transitions. [2023-02-18 15:40:55,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 3.0943396226415096) internal successors, (164), 53 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:55,919 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 176 transitions. [2023-02-18 15:40:55,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-02-18 15:40:55,924 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 15:40:55,925 INFO L195 NwaCegarLoop]: trace histogram [55, 54, 50, 5, 1, 1, 1, 1, 1, 1] [2023-02-18 15:40:55,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-18 15:40:56,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 15:40:56,131 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 15:40:56,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 15:40:56,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1661700912, now seen corresponding path program 6 times [2023-02-18 15:40:56,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 15:40:56,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853792531] [2023-02-18 15:40:56,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 15:40:56,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 15:40:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 15:40:56,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4455 backedges. 1416 proven. 57 refuted. 0 times theorem prover too weak. 2982 trivial. 0 not checked. [2023-02-18 15:40:56,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 15:40:56,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853792531] [2023-02-18 15:40:56,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853792531] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 15:40:56,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135742287] [2023-02-18 15:40:56,293 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-02-18 15:40:56,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 15:40:56,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 15:40:56,294 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 15:40:56,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-18 15:40:56,365 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 29 check-sat command(s) [2023-02-18 15:40:56,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 15:40:56,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-18 15:40:56,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 15:40:56,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4455 backedges. 1416 proven. 57 refuted. 0 times theorem prover too weak. 2982 trivial. 0 not checked. [2023-02-18 15:40:56,401 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 15:40:56,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4455 backedges. 1416 proven. 57 refuted. 0 times theorem prover too weak. 2982 trivial. 0 not checked. [2023-02-18 15:40:56,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135742287] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 15:40:56,438 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 15:40:56,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 8 [2023-02-18 15:40:56,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302931272] [2023-02-18 15:40:56,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 15:40:56,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-02-18 15:40:56,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 15:40:56,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-02-18 15:40:56,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-02-18 15:40:56,440 INFO L87 Difference]: Start difference. First operand 171 states and 176 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:56,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 15:40:56,459 INFO L93 Difference]: Finished difference Result 191 states and 201 transitions. [2023-02-18 15:40:56,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-18 15:40:56,459 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 170 [2023-02-18 15:40:56,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 15:40:56,461 INFO L225 Difference]: With dead ends: 191 [2023-02-18 15:40:56,461 INFO L226 Difference]: Without dead ends: 187 [2023-02-18 15:40:56,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 324 SyntacticMatches, 21 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-02-18 15:40:56,462 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 15:40:56,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 15:40:56,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2023-02-18 15:40:56,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 174. [2023-02-18 15:40:56,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 173 states have (on average 1.0404624277456647) internal successors, (180), 173 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:56,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 180 transitions. [2023-02-18 15:40:56,469 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 180 transitions. Word has length 170 [2023-02-18 15:40:56,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 15:40:56,469 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 180 transitions. [2023-02-18 15:40:56,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:56,469 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 180 transitions. [2023-02-18 15:40:56,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-02-18 15:40:56,470 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 15:40:56,470 INFO L195 NwaCegarLoop]: trace histogram [56, 55, 50, 6, 1, 1, 1, 1, 1, 1] [2023-02-18 15:40:56,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-02-18 15:40:56,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 15:40:56,675 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 15:40:56,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 15:40:56,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1272078235, now seen corresponding path program 7 times [2023-02-18 15:40:56,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 15:40:56,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479558598] [2023-02-18 15:40:56,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 15:40:56,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 15:40:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 15:40:56,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4620 backedges. 1681 proven. 86 refuted. 0 times theorem prover too weak. 2853 trivial. 0 not checked. [2023-02-18 15:40:56,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 15:40:56,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479558598] [2023-02-18 15:40:56,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479558598] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 15:40:56,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33178678] [2023-02-18 15:40:56,834 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-02-18 15:40:56,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 15:40:56,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 15:40:56,835 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 15:40:56,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-18 15:40:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 15:40:56,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 58 conjunts are in the unsatisfiable core [2023-02-18 15:40:56,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 15:40:57,974 INFO L134 CoverageAnalysis]: Checked inductivity of 4620 backedges. 4518 proven. 86 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-02-18 15:40:57,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 15:40:58,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4620 backedges. 4518 proven. 86 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-02-18 15:40:58,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33178678] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 15:40:58,632 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 15:40:58,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 53, 53] total 97 [2023-02-18 15:40:58,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962176263] [2023-02-18 15:40:58,632 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 15:40:58,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2023-02-18 15:40:58,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 15:40:58,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2023-02-18 15:40:58,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2023-02-18 15:40:58,636 INFO L87 Difference]: Start difference. First operand 174 states and 180 transitions. Second operand has 97 states, 97 states have (on average 3.1752577319587627) internal successors, (308), 97 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:59,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 15:40:59,084 INFO L93 Difference]: Finished difference Result 1033 states and 1353 transitions. [2023-02-18 15:40:59,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-02-18 15:40:59,085 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 97 states have (on average 3.1752577319587627) internal successors, (308), 97 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 173 [2023-02-18 15:40:59,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 15:40:59,088 INFO L225 Difference]: With dead ends: 1033 [2023-02-18 15:40:59,088 INFO L226 Difference]: Without dead ends: 1029 [2023-02-18 15:40:59,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 239 SyntacticMatches, 25 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5051 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2023-02-18 15:40:59,090 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 20 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-18 15:40:59,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 261 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-18 15:40:59,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2023-02-18 15:40:59,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 309. [2023-02-18 15:40:59,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 308 states have (on average 1.1688311688311688) internal successors, (360), 308 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:59,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 360 transitions. [2023-02-18 15:40:59,124 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 360 transitions. Word has length 173 [2023-02-18 15:40:59,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 15:40:59,125 INFO L495 AbstractCegarLoop]: Abstraction has 309 states and 360 transitions. [2023-02-18 15:40:59,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 3.1752577319587627) internal successors, (308), 97 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:40:59,125 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 360 transitions. [2023-02-18 15:40:59,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2023-02-18 15:40:59,127 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 15:40:59,127 INFO L195 NwaCegarLoop]: trace histogram [101, 100, 51, 50, 1, 1, 1, 1, 1, 1] [2023-02-18 15:40:59,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-02-18 15:40:59,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 15:40:59,337 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 15:40:59,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 15:40:59,337 INFO L85 PathProgramCache]: Analyzing trace with hash -338193904, now seen corresponding path program 8 times [2023-02-18 15:40:59,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 15:40:59,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915373749] [2023-02-18 15:40:59,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 15:40:59,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 15:40:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 15:41:03,172 INFO L134 CoverageAnalysis]: Checked inductivity of 15150 backedges. 0 proven. 15150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 15:41:03,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 15:41:03,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915373749] [2023-02-18 15:41:03,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915373749] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 15:41:03,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098321278] [2023-02-18 15:41:03,173 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-18 15:41:03,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 15:41:03,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 15:41:03,184 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 15:41:03,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-02-18 15:41:03,299 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-18 15:41:03,300 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 15:41:03,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 208 conjunts are in the unsatisfiable core [2023-02-18 15:41:03,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 15:41:07,027 INFO L134 CoverageAnalysis]: Checked inductivity of 15150 backedges. 0 proven. 15150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 15:41:07,040 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 15:41:10,610 INFO L134 CoverageAnalysis]: Checked inductivity of 15150 backedges. 0 proven. 15150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 15:41:10,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098321278] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 15:41:10,611 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 15:41:10,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [105, 104, 104] total 155 [2023-02-18 15:41:10,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245120671] [2023-02-18 15:41:10,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 15:41:10,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 155 states [2023-02-18 15:41:10,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 15:41:10,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 155 interpolants. [2023-02-18 15:41:10,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2858, Invalid=21012, Unknown=0, NotChecked=0, Total=23870 [2023-02-18 15:41:10,620 INFO L87 Difference]: Start difference. First operand 309 states and 360 transitions. Second operand has 155 states, 155 states have (on average 2.967741935483871) internal successors, (460), 155 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:41:14,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 15:41:14,918 INFO L93 Difference]: Finished difference Result 4542 states and 5921 transitions. [2023-02-18 15:41:14,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2023-02-18 15:41:14,920 INFO L78 Accepts]: Start accepts. Automaton has has 155 states, 155 states have (on average 2.967741935483871) internal successors, (460), 155 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 308 [2023-02-18 15:41:14,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 15:41:14,932 INFO L225 Difference]: With dead ends: 4542 [2023-02-18 15:41:14,932 INFO L226 Difference]: Without dead ends: 4382 [2023-02-18 15:41:14,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 720 GetRequests, 414 SyntacticMatches, 152 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22800 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=2863, Invalid=21317, Unknown=0, NotChecked=0, Total=24180 [2023-02-18 15:41:14,939 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 197 mSDsluCounter, 15992 mSDsCounter, 0 mSdLazyCounter, 17568 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 16245 SdHoareTripleChecker+Invalid, 17621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 17568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-02-18 15:41:14,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 16245 Invalid, 17621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 17568 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-02-18 15:41:14,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4382 states. [2023-02-18 15:41:15,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4382 to 4186. [2023-02-18 15:41:15,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4186 states, 4185 states have (on average 1.0241338112305853) internal successors, (4286), 4185 states have internal predecessors, (4286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:41:15,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4186 states to 4186 states and 4286 transitions. [2023-02-18 15:41:15,099 INFO L78 Accepts]: Start accepts. Automaton has 4186 states and 4286 transitions. Word has length 308 [2023-02-18 15:41:15,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 15:41:15,099 INFO L495 AbstractCegarLoop]: Abstraction has 4186 states and 4286 transitions. [2023-02-18 15:41:15,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 155 states, 155 states have (on average 2.967741935483871) internal successors, (460), 155 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:41:15,100 INFO L276 IsEmpty]: Start isEmpty. Operand 4186 states and 4286 transitions. [2023-02-18 15:41:15,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2023-02-18 15:41:15,102 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 15:41:15,102 INFO L195 NwaCegarLoop]: trace histogram [102, 101, 52, 50, 1, 1, 1, 1, 1, 1] [2023-02-18 15:41:15,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-02-18 15:41:15,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-02-18 15:41:15,308 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 15:41:15,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 15:41:15,309 INFO L85 PathProgramCache]: Analyzing trace with hash -2103022405, now seen corresponding path program 9 times [2023-02-18 15:41:15,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 15:41:15,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243631622] [2023-02-18 15:41:15,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 15:41:15,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 15:41:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 15:41:17,451 INFO L134 CoverageAnalysis]: Checked inductivity of 15453 backedges. 7903 proven. 7403 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-02-18 15:41:17,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 15:41:17,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243631622] [2023-02-18 15:41:17,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243631622] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 15:41:17,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813681727] [2023-02-18 15:41:17,451 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-18 15:41:17,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 15:41:17,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 15:41:17,461 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 15:41:17,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-02-18 15:41:17,631 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 102 check-sat command(s) [2023-02-18 15:41:17,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 15:41:17,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 103 conjunts are in the unsatisfiable core [2023-02-18 15:41:17,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 15:41:18,989 INFO L134 CoverageAnalysis]: Checked inductivity of 15453 backedges. 7903 proven. 7401 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-02-18 15:41:18,990 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 15:41:20,567 INFO L134 CoverageAnalysis]: Checked inductivity of 15453 backedges. 7903 proven. 7401 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-02-18 15:41:20,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813681727] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 15:41:20,567 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-18 15:41:20,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 54, 54] total 55 [2023-02-18 15:41:20,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391489378] [2023-02-18 15:41:20,568 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-18 15:41:20,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2023-02-18 15:41:20,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 15:41:20,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2023-02-18 15:41:20,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1484, Invalid=1486, Unknown=0, NotChecked=0, Total=2970 [2023-02-18 15:41:20,569 INFO L87 Difference]: Start difference. First operand 4186 states and 4286 transitions. Second operand has 55 states, 55 states have (on average 3.909090909090909) internal successors, (215), 55 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:41:20,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 15:41:20,728 INFO L93 Difference]: Finished difference Result 4337 states and 4437 transitions. [2023-02-18 15:41:20,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-02-18 15:41:20,729 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 55 states have (on average 3.909090909090909) internal successors, (215), 55 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 311 [2023-02-18 15:41:20,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 15:41:20,730 INFO L225 Difference]: With dead ends: 4337 [2023-02-18 15:41:20,730 INFO L226 Difference]: Without dead ends: 0 [2023-02-18 15:41:20,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 724 GetRequests, 468 SyntacticMatches, 203 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6379 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=1484, Invalid=1486, Unknown=0, NotChecked=0, Total=2970 [2023-02-18 15:41:20,734 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 15:41:20,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 15:41:20,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-18 15:41:20,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-18 15:41:20,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:41:20,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-18 15:41:20,735 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 311 [2023-02-18 15:41:20,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 15:41:20,735 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-18 15:41:20,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 3.909090909090909) internal successors, (215), 55 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 15:41:20,736 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-18 15:41:20,736 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-18 15:41:20,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-18 15:41:20,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-02-18 15:41:20,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 15:41:20,945 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-18 15:41:20,955 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-18 15:41:20,955 INFO L899 garLoopResultBuilder]: For program point L29(lines 29 33) no Hoare annotation was computed. [2023-02-18 15:41:20,955 INFO L899 garLoopResultBuilder]: For program point L29-2(lines 28 36) no Hoare annotation was computed. [2023-02-18 15:41:20,955 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-02-18 15:41:20,955 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-18 15:41:20,955 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 24 39) the Hoare annotation is: true [2023-02-18 15:41:20,955 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-18 15:41:20,956 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-18 15:41:20,959 INFO L895 garLoopResultBuilder]: At program point L28-2(lines 28 36) the Hoare annotation is: (let ((.cse7 (+ |ULTIMATE.start_main_~x~0#1| (- 1))) (.cse115 (+ |ULTIMATE.start_main_~y~0#1| (- 1))) (.cse66 (+ 1 3))) (let ((.cse3 (+ 1 .cse66)) (.cse64 (<= 0 .cse115)) (.cse65 (<= 3 .cse115)) (.cse72 (+ .cse7 (- 1)))) (let ((.cse131 (+ .cse72 (- 1))) (.cse44 (<= 0 (+ |ULTIMATE.start_main_~y~0#1| (- 2)))) (.cse14 (>= |ULTIMATE.start_main_~y~0#1| 0)) (.cse63 (<= 0 (+ |ULTIMATE.start_main_~y~0#1| (- 4)))) (.cse1 (or (and .cse64 .cse65) .cse65)) (.cse101 (<= 2 .cse115)) (.cse126 (<= 1 .cse115)) (.cse88 (<= 0 (+ |ULTIMATE.start_main_~y~0#1| (- 3)))) (.cse105 (+ 1 8)) (.cse91 (+ 1 46)) (.cse146 (+ 1 32)) (.cse147 (+ 1 .cse3)) (.cse34 (+ |ULTIMATE.start_main_~x~0#1| 1))) (let ((.cse35 (<= |ULTIMATE.start_main_~y~0#1| 26)) (.cse33 (<= 25 .cse115)) (.cse32 (+ 1 24)) (.cse37 (<= |ULTIMATE.start_main_~y~0#1| 25)) (.cse36 (<= 24 .cse115)) (.cse24 (<= 39 .cse115)) (.cse25 (<= |ULTIMATE.start_main_~y~0#1| 40)) (.cse26 (<= 9 .cse115)) (.cse27 (<= |ULTIMATE.start_main_~y~0#1| 10)) (.cse40 (<= 11 .cse115)) (.cse41 (<= |ULTIMATE.start_main_~y~0#1| 12)) (.cse28 (<= |ULTIMATE.start_main_~y~0#1| 34)) (.cse77 (< .cse34 44)) (.cse29 (<= 33 .cse115)) (.cse48 (<= 48 .cse115)) (.cse49 (<= |ULTIMATE.start_main_~y~0#1| 49)) (.cse9 (+ 1 .cse147)) (.cse94 (<= 7 .cse115)) (.cse95 (<= |ULTIMATE.start_main_~y~0#1| 8)) (.cse89 (<= |ULTIMATE.start_main_~y~0#1| 3)) (.cse74 (<= |ULTIMATE.start_main_~y~0#1| 24)) (.cse75 (<= 23 .cse115)) (.cse81 (+ 1 .cse146)) (.cse58 (< .cse34 46)) (.cse19 (<= |ULTIMATE.start_main_~y~0#1| 44)) (.cse13 (<= 43 .cse115)) (.cse67 (<= |ULTIMATE.start_main_~y~0#1| 28)) (.cse69 (<= 27 .cse115)) (.cse82 (<= 21 .cse115)) (.cse83 (<= |ULTIMATE.start_main_~y~0#1| 22)) (.cse84 (<= |ULTIMATE.start_main_~y~0#1| 17)) (.cse85 (<= 16 .cse115)) (.cse62 (<= |ULTIMATE.start_main_~y~0#1| 4)) (.cse20 (<= |ULTIMATE.start_main_~y~0#1| 43)) (.cse21 (<= 42 .cse115)) (.cse79 (<= 36 .cse115)) (.cse80 (<= |ULTIMATE.start_main_~y~0#1| 37)) (.cse90 (<= |ULTIMATE.start_main_~y~0#1| 47)) (.cse93 (<= 46 .cse115)) (.cse98 (<= |ULTIMATE.start_main_~y~0#1| 15)) (.cse99 (<= 14 .cse115)) (.cse104 (<= 8 .cse115)) (.cse106 (<= |ULTIMATE.start_main_~y~0#1| 9)) (.cse45 (<= |ULTIMATE.start_main_~y~0#1| 2)) (.cse100 (+ 1 0)) (.cse30 (<= |ULTIMATE.start_main_~y~0#1| 38)) (.cse31 (<= 37 .cse115)) (.cse50 (<= |ULTIMATE.start_main_~y~0#1| 29)) (.cse68 (+ 1 26)) (.cse51 (<= 28 .cse115)) (.cse55 (<= 45 .cse115)) (.cse52 (<= |ULTIMATE.start_main_~y~0#1| 46)) (.cse112 (<= |ULTIMATE.start_main_~y~0#1| 1)) (.cse11 (<= 6 .cse115)) (.cse10 (<= |ULTIMATE.start_main_~y~0#1| 7)) (.cse6 (<= |ULTIMATE.start_main_~y~0#1| 11)) (.cse5 (<= 10 .cse115)) (.cse60 (<= |ULTIMATE.start_main_~y~0#1| 39)) (.cse61 (<= 38 .cse115)) (.cse92 (< .cse34 49)) (.cse120 (<= |ULTIMATE.start_main_~y~0#1| 23)) (.cse119 (<= 22 .cse115)) (.cse73 (+ 1 21)) (.cse102 (<= 20 .cse115)) (.cse103 (<= |ULTIMATE.start_main_~y~0#1| 21)) (.cse128 (+ 1 19)) (.cse116 (<= |ULTIMATE.start_main_~y~0#1| 18)) (.cse117 (<= 17 .cse115)) (.cse118 (+ 1 16)) (.cse132 (<= 30 .cse115)) (.cse133 (<= |ULTIMATE.start_main_~y~0#1| 31)) (.cse135 (<= 29 .cse115)) (.cse136 (<= |ULTIMATE.start_main_~y~0#1| 30)) (.cse111 (<= |ULTIMATE.start_main_~y~0#1| 42)) (.cse110 (<= 41 .cse115)) (.cse125 (+ 1 14)) (.cse56 (< .cse34 48)) (.cse137 (= |ULTIMATE.start_main_~y~0#1| 0)) (.cse130 (+ |ULTIMATE.start_main_~x~0#1| (- 99))) (.cse76 (< .cse34 42)) (.cse39 (<= |ULTIMATE.start_main_~y~0#1| 32)) (.cse134 (+ 1 29)) (.cse38 (<= 31 .cse115)) (.cse2 (<= |ULTIMATE.start_main_~y~0#1| 5)) (.cse108 (<= 34 .cse115)) (.cse107 (<= |ULTIMATE.start_main_~y~0#1| 35)) (.cse113 (<= |ULTIMATE.start_main_~y~0#1| 27)) (.cse114 (<= 26 .cse115)) (.cse42 (<= |ULTIMATE.start_main_~y~0#1| 48)) (.cse43 (<= 47 .cse115)) (.cse87 (+ 1 .cse91)) (.cse71 (< .cse34 50)) (.cse57 (<= |ULTIMATE.start_main_~y~0#1| 14)) (.cse59 (<= 13 .cse115)) (.cse4 (< .cse34 43)) (.cse121 (<= 32 .cse115)) (.cse122 (<= |ULTIMATE.start_main_~y~0#1| 33)) (.cse8 (+ 1 .cse105)) (.cse46 (<= 12 .cse115)) (.cse109 (< .cse34 45)) (.cse47 (<= |ULTIMATE.start_main_~y~0#1| 13)) (.cse139 (<= 15 .cse115)) (.cse138 (<= |ULTIMATE.start_main_~y~0#1| 16)) (.cse123 (<= 18 .cse115)) (.cse124 (<= |ULTIMATE.start_main_~y~0#1| 19)) (.cse78 (< .cse34 47)) (.cse144 (<= 44 .cse115)) (.cse145 (<= |ULTIMATE.start_main_~y~0#1| 45)) (.cse54 (+ 1 41)) (.cse96 (<= 35 .cse115)) (.cse97 (<= |ULTIMATE.start_main_~y~0#1| 36)) (.cse18 (or (and .cse101 .cse88) (and .cse126 .cse88))) (.cse15 (<= 0 |ULTIMATE.start_main_~y~0#1|)) (.cse12 (or (and .cse63 .cse101) (and .cse63 .cse1))) (.cse17 (or .cse64 (and .cse64 .cse14))) (.cse16 (or (and .cse64 .cse44) (and .cse126 .cse44))) (.cse127 (<= 19 .cse115)) (.cse129 (<= |ULTIMATE.start_main_~y~0#1| 20)) (.cse86 (< |ULTIMATE.start_main_~x~0#1| 50)) (.cse53 (+ .cse131 (- 1))) (.cse70 (+ 1 35)) (.cse22 (<= 40 .cse115)) (.cse23 (<= |ULTIMATE.start_main_~y~0#1| 41)) (.cse0 (<= 0 (+ |ULTIMATE.start_main_~y~0#1| (- 5)))) (.cse142 (<= |ULTIMATE.start_main_~y~0#1| 6)) (.cse143 (<= 0 (+ |ULTIMATE.start_main_~y~0#1| (- 6))))) (or (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_main_~x~0#1| 5) (= |ULTIMATE.start_main_~x~0#1| .cse3)) (and .cse4 .cse0 .cse1 .cse5 .cse6 (<= |ULTIMATE.start_main_~x~0#1| 11) (= .cse7 .cse8)) (and (= |ULTIMATE.start_main_~x~0#1| .cse9) .cse0 (<= .cse7 6) .cse1 (<= |ULTIMATE.start_main_~x~0#1| 7) .cse10 .cse11) (and (or (and .cse12 .cse13) (and .cse0 .cse1 .cse13) (and .cse14 .cse15 .cse13) (and .cse16 .cse13) (and .cse17 .cse13) (and .cse18 .cse13)) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 56))) (<= |ULTIMATE.start_main_~x~0#1| 56) .cse19) (and .cse20 (<= |ULTIMATE.start_main_~x~0#1| 57) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 57))) (or (and .cse0 .cse21 .cse1) (and .cse21 .cse12) (and .cse21 .cse18) (and .cse21 .cse17) (and .cse21 .cse16) (and .cse21 .cse14 .cse15))) (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 59))) (<= |ULTIMATE.start_main_~x~0#1| 59) (or (and .cse16 .cse22) (and .cse22 .cse18) (and .cse22 .cse12) (and .cse0 .cse1 .cse22) (and .cse17 .cse22) (and .cse14 .cse22 .cse15)) .cse23) (and (<= |ULTIMATE.start_main_~x~0#1| 60) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 60))) (or (and .cse24 .cse12) (and .cse24 .cse18) (and .cse24 .cse17) (and .cse0 .cse24 .cse1) (and .cse24 .cse14 .cse15) (and .cse24 .cse16)) .cse25) (and (or (and .cse16 .cse26) (and .cse0 .cse1 .cse26) (and .cse14 .cse15 .cse26) (and .cse26 .cse18) (and .cse12 .cse26) (and .cse17 .cse26)) (<= |ULTIMATE.start_main_~x~0#1| 90) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 90))) .cse27) (and .cse28 (<= |ULTIMATE.start_main_~x~0#1| 66) (or (and .cse0 .cse1 .cse29) (and .cse29 .cse18) (and .cse16 .cse29) (and .cse17 .cse29) (and .cse14 .cse15 .cse29) (and .cse12 .cse29)) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 66)))) (and .cse30 (or (and .cse31 .cse12) (and .cse0 .cse1 .cse31) (and .cse14 .cse31 .cse15) (and .cse16 .cse31) (and .cse31 .cse18) (and .cse17 .cse31)) (<= |ULTIMATE.start_main_~x~0#1| 62) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 62)))) (and .cse0 (= .cse7 .cse32) .cse1 .cse33 (< .cse34 36) .cse35 (<= |ULTIMATE.start_main_~x~0#1| 26)) (and (or (and .cse17 .cse36) (and .cse14 .cse15 .cse36) (and .cse36 .cse18) (and .cse12 .cse36) (and .cse16 .cse36) (and .cse0 .cse1 .cse36)) .cse37 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 75))) (<= |ULTIMATE.start_main_~x~0#1| 75)) (and (<= |ULTIMATE.start_main_~x~0#1| 68) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 68))) (or (and .cse0 .cse1 .cse38) (and .cse38 .cse18) (and .cse14 .cse38 .cse15) (and .cse16 .cse38) (and .cse17 .cse38) (and .cse12 .cse38)) .cse39) (and (or (and .cse40 .cse17) (and .cse40 .cse12) (and .cse40 .cse18) (and .cse0 .cse40 .cse1) (and .cse40 .cse16) (and .cse40 .cse14 .cse15)) (<= |ULTIMATE.start_main_~x~0#1| 88) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 88))) .cse41) (and .cse42 (<= |ULTIMATE.start_main_~x~0#1| 52) (or (and .cse0 .cse1 .cse43) (and .cse43 .cse12) (and .cse43 .cse18)) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 52)))) (and (or (and .cse14 .cse15 .cse44) (and .cse17 .cse44) (and .cse16 .cse44)) .cse45 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 98))) (<= |ULTIMATE.start_main_~x~0#1| 98)) (and (<= |ULTIMATE.start_main_~x~0#1| 74) .cse35 (or (and .cse33 .cse18) (and .cse33 .cse12) (and .cse17 .cse33) (and .cse33 .cse14 .cse15) (and .cse0 .cse1 .cse33) (and .cse33 .cse16)) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 74)))) (and (<= |ULTIMATE.start_main_~x~0#1| 87) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 87))) (or (and .cse46 .cse12) (and .cse0 .cse1 .cse46) (and .cse16 .cse46) (and .cse17 .cse46) (and .cse46 .cse18) (and .cse14 .cse46 .cse15)) .cse47) (and (<= |ULTIMATE.start_main_~x~0#1| 25) .cse0 .cse1 (< .cse34 35) (= |ULTIMATE.start_main_~x~0#1| .cse32) .cse37 .cse36) (and (or (and .cse0 .cse48 .cse1) (and .cse48 .cse12)) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 51))) (<= |ULTIMATE.start_main_~x~0#1| 51) .cse49) (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 71))) .cse50 (or (and .cse17 .cse51) (and .cse12 .cse51) (and .cse0 .cse1 .cse51) (and .cse14 .cse15 .cse51) (and .cse18 .cse51) (and .cse16 .cse51)) (<= |ULTIMATE.start_main_~x~0#1| 71)) (and .cse0 .cse52 (= .cse53 .cse54) .cse1 .cse55 .cse56) (and .cse0 .cse1 .cse57 .cse58 .cse59 (= .cse53 .cse8) (<= |ULTIMATE.start_main_~x~0#1| 14)) (and (<= |ULTIMATE.start_main_~x~0#1| 61) .cse60 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 61))) (or (and .cse61 .cse12) (and .cse17 .cse61) (and .cse61 .cse14 .cse15) (and .cse61 .cse18) (and .cse0 .cse1 .cse61) (and .cse61 .cse16))) (and .cse62 .cse63 .cse64 .cse65 (= |ULTIMATE.start_main_~x~0#1| .cse66) (<= |ULTIMATE.start_main_~x~0#1| 4)) (and (<= |ULTIMATE.start_main_~x~0#1| 28) .cse0 .cse67 .cse1 (= .cse7 .cse68) (< .cse34 38) .cse69) (and .cse0 .cse24 .cse1 (= .cse53 .cse70) .cse71 (<= |ULTIMATE.start_main_~x~0#1| 40) .cse25) (and (< .cse34 34) .cse0 .cse1 (<= |ULTIMATE.start_main_~x~0#1| 24) (= .cse72 .cse73) .cse74 .cse75) (and (<= |ULTIMATE.start_main_~x~0#1| 10) .cse0 (= |ULTIMATE.start_main_~x~0#1| .cse8) .cse76 .cse1 .cse26 .cse27) (and .cse0 .cse40 .cse1 (= .cse72 .cse8) (<= |ULTIMATE.start_main_~x~0#1| 12) .cse41 .cse77) (and .cse0 .cse1 (= .cse7 .cse70) .cse78 .cse79 (<= |ULTIMATE.start_main_~x~0#1| 37) .cse80) (and .cse0 .cse28 .cse1 (<= |ULTIMATE.start_main_~x~0#1| 34) .cse77 (= |ULTIMATE.start_main_~x~0#1| .cse81) .cse29) (and .cse0 .cse82 .cse1 (= |ULTIMATE.start_main_~x~0#1| .cse73) (<= |ULTIMATE.start_main_~x~0#1| 22) .cse83 (< .cse34 32)) (and .cse84 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 83))) (<= |ULTIMATE.start_main_~x~0#1| 83) (or (and .cse14 .cse85 .cse15) (and .cse16 .cse85) (and .cse17 .cse85) (and .cse85 .cse18) (and .cse0 .cse1 .cse85) (and .cse12 .cse85))) (and .cse0 .cse86 .cse48 .cse1 .cse49 (= |ULTIMATE.start_main_~x~0#1| (+ 1 .cse87))) (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 97))) (<= |ULTIMATE.start_main_~x~0#1| 97) (or (and .cse88 .cse18) (and .cse17 .cse88) (and .cse16 .cse88) (and .cse14 .cse15 .cse88)) .cse89) (and .cse0 .cse90 .cse1 (= |ULTIMATE.start_main_~x~0#1| .cse91) .cse92 .cse93) (and (or (and .cse94 .cse17) (and .cse94 .cse16) (and .cse0 .cse94 .cse1) (and .cse94 .cse12) (and .cse94 .cse14 .cse15) (and .cse94 .cse18)) (<= |ULTIMATE.start_main_~x~0#1| 92) .cse95 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 92)))) (and (= .cse7 .cse9) .cse0 .cse94 .cse1 (<= .cse7 7) (<= |ULTIMATE.start_main_~x~0#1| 8) .cse95) (and .cse0 (= |ULTIMATE.start_main_~x~0#1| .cse70) .cse1 .cse96 (<= |ULTIMATE.start_main_~x~0#1| 36) .cse58 .cse97) (and .cse98 (or (and .cse99 .cse12) (and .cse17 .cse99) (and .cse0 .cse1 .cse99) (and .cse16 .cse99) (and .cse14 .cse99 .cse15) (and .cse99 .cse18)) (<= |ULTIMATE.start_main_~x~0#1| 85) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 85)))) (and (= .cse72 .cse100) .cse86 .cse64 (<= |ULTIMATE.start_main_~x~0#1| 3) .cse89 .cse101 .cse88) (and (or (and .cse102 .cse12) (and .cse102 .cse17) (and .cse0 .cse102 .cse1) (and .cse102 .cse14 .cse15) (and .cse102 .cse16) (and .cse102 .cse18)) .cse103 (<= |ULTIMATE.start_main_~x~0#1| 79) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 79)))) (and (<= |ULTIMATE.start_main_~x~0#1| 76) .cse74 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 76))) (or (and .cse16 .cse75) (and .cse0 .cse1 .cse75) (and .cse12 .cse75) (and .cse18 .cse75) (and .cse14 .cse15 .cse75) (and .cse17 .cse75))) (and .cse0 .cse1 .cse104 (<= .cse7 8) (= |ULTIMATE.start_main_~x~0#1| .cse105) .cse106 (<= |ULTIMATE.start_main_~x~0#1| 9)) (and (<= |ULTIMATE.start_main_~x~0#1| 35) .cse0 .cse107 .cse1 .cse108 (= .cse7 .cse81) .cse109) (and (= .cse72 .cse54) .cse0 .cse1 .cse58 .cse19 .cse13) (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 72))) .cse67 (or (and .cse17 .cse69) (and .cse12 .cse69) (and .cse0 .cse1 .cse69) (and .cse14 .cse15 .cse69) (and .cse18 .cse69) (and .cse16 .cse69)) (<= |ULTIMATE.start_main_~x~0#1| 72)) (and (or (and .cse110 .cse18) (and .cse14 .cse15 .cse110) (and .cse16 .cse110) (and .cse17 .cse110) (and .cse12 .cse110) (and .cse0 .cse1 .cse110)) .cse111 (<= |ULTIMATE.start_main_~x~0#1| 58) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 58)))) (and (<= |ULTIMATE.start_main_~x~0#1| 1) .cse112 .cse64 (= |ULTIMATE.start_main_~x~0#1| .cse100)) (and .cse0 .cse1 .cse113 (< .cse34 37) (<= |ULTIMATE.start_main_~x~0#1| 27) .cse114 (= |ULTIMATE.start_main_~x~0#1| .cse68)) (and (<= |ULTIMATE.start_main_~x~0#1| 78) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 78))) (or (and .cse82 .cse12) (and .cse82 .cse16) (and .cse0 .cse82 .cse1) (and .cse82 .cse18) (and .cse82 .cse14 .cse15) (and .cse82 .cse17)) .cse83) (and (<= |ULTIMATE.start_main_~x~0#1| 50) .cse0 .cse1 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 50))) (<= |ULTIMATE.start_main_~y~0#1| 50) (<= 49 .cse115)) (and .cse116 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 82))) (<= |ULTIMATE.start_main_~x~0#1| 82) (or (and .cse0 .cse117 .cse1) (and .cse117 .cse18) (and .cse117 .cse14 .cse15) (and .cse117 .cse16) (and .cse117 .cse17) (and .cse117 .cse12))) (and .cse84 .cse0 .cse1 (<= |ULTIMATE.start_main_~x~0#1| 17) (= |ULTIMATE.start_main_~x~0#1| .cse118) .cse85 .cse92) (and .cse62 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 96))) (<= |ULTIMATE.start_main_~x~0#1| 96) (or (and .cse63 .cse16) (and .cse63 .cse14 .cse15) (and .cse63 .cse17) (and .cse63 .cse18) (and .cse63 .cse12))) (and (or (and .cse119 .cse18) (and .cse119 .cse12) (and .cse119 .cse16) (and .cse0 .cse119 .cse1) (and .cse119 .cse17) (and .cse119 .cse14 .cse15)) .cse120 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 77))) (<= |ULTIMATE.start_main_~x~0#1| 77)) (and (or (and .cse121 .cse12) (and .cse121 .cse18) (and .cse121 .cse0 .cse1) (and .cse121 .cse14 .cse15) (and .cse121 .cse16) (and .cse121 .cse17)) .cse122 (<= |ULTIMATE.start_main_~x~0#1| 67) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 67)))) (and (= .cse7 .cse54) .cse20 .cse0 .cse21 .cse1 .cse109) (and (or (and .cse79 .cse18) (and .cse16 .cse79) (and .cse17 .cse79) (and .cse14 .cse79 .cse15) (and .cse12 .cse79) (and .cse0 .cse1 .cse79)) (<= |ULTIMATE.start_main_~x~0#1| 63) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 63))) .cse80) (and .cse90 (<= |ULTIMATE.start_main_~x~0#1| 53) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 53))) (or (and .cse16 .cse93) (and .cse18 .cse93) (and .cse0 .cse1 .cse93) (and .cse12 .cse93))) (and .cse0 .cse86 (= .cse72 .cse118) .cse1 (<= |ULTIMATE.start_main_~x~0#1| 19) .cse123 .cse124) (and .cse0 .cse1 .cse98 .cse78 .cse99 (= |ULTIMATE.start_main_~x~0#1| .cse125) (<= |ULTIMATE.start_main_~x~0#1| 15)) (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 91))) (<= |ULTIMATE.start_main_~x~0#1| 91) (or (and .cse14 .cse104 .cse15) (and .cse16 .cse104) (and .cse104 .cse18) (and .cse0 .cse1 .cse104) (and .cse17 .cse104) (and .cse104 .cse12)) .cse106) (and .cse126 .cse45 .cse64 .cse71 (= .cse7 .cse100) (<= |ULTIMATE.start_main_~x~0#1| 2) .cse44) (and .cse0 .cse1 .cse30 .cse31 (= .cse72 .cse70) .cse56 (<= |ULTIMATE.start_main_~x~0#1| 38)) (and .cse0 .cse50 .cse1 (<= |ULTIMATE.start_main_~x~0#1| 29) (= .cse72 .cse68) (< .cse34 39) .cse51) (and .cse0 (<= |ULTIMATE.start_main_~x~0#1| 20) .cse1 .cse127 (= |ULTIMATE.start_main_~x~0#1| .cse128) .cse129) (and (or (and .cse17 .cse55) (and .cse55 .cse18) (and .cse16 .cse55) (and .cse0 .cse1 .cse55) (and .cse12 .cse55)) .cse52 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 54))) (<= |ULTIMATE.start_main_~x~0#1| 54)) (and .cse112 (<= |ULTIMATE.start_main_~x~0#1| 99) (<= 0 .cse130) (or (and .cse64 .cse14 .cse15) (and .cse17 .cse64))) (and (<= |ULTIMATE.start_main_~x~0#1| 93) (or (and .cse16 .cse11) (and .cse14 .cse15 .cse11) (and .cse12 .cse11) (and .cse17 .cse11) (and .cse0 .cse1 .cse11) (and .cse18 .cse11)) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 93))) .cse10) (and .cse6 (or (and .cse5 .cse14 .cse15) (and .cse17 .cse5) (and .cse5 .cse16) (and .cse0 .cse1 .cse5) (and .cse5 .cse12) (and .cse5 .cse18)) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 89))) (<= |ULTIMATE.start_main_~x~0#1| 89)) (and .cse60 .cse0 .cse1 .cse61 (<= |ULTIMATE.start_main_~x~0#1| 39) (= .cse131 .cse70) .cse92) (and .cse120 .cse0 .cse119 .cse1 (< .cse34 33) (= .cse7 .cse73) (<= |ULTIMATE.start_main_~x~0#1| 23)) (and .cse0 .cse102 (< .cse34 31) .cse1 .cse103 (<= |ULTIMATE.start_main_~x~0#1| 21) (= .cse7 .cse128)) (and .cse0 .cse1 .cse132 .cse133 (= .cse7 .cse134) (< .cse34 41) (<= |ULTIMATE.start_main_~x~0#1| 31)) (and .cse116 .cse0 .cse117 .cse1 (= .cse7 .cse118) (<= |ULTIMATE.start_main_~x~0#1| 18) .cse71) (and .cse0 .cse135 .cse1 (<= |ULTIMATE.start_main_~x~0#1| 30) (< .cse34 40) (= |ULTIMATE.start_main_~x~0#1| .cse134) .cse136) (and (or (and .cse132 .cse18) (and .cse17 .cse132) (and .cse132 .cse12) (and .cse14 .cse132 .cse15) (and .cse0 .cse1 .cse132) (and .cse16 .cse132)) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 69))) (<= |ULTIMATE.start_main_~x~0#1| 69) .cse133) (and (or (and .cse135 .cse16) (and .cse135 .cse17) (and .cse135 .cse18) (and .cse135 .cse12) (and .cse135 .cse14 .cse15) (and .cse0 .cse135 .cse1)) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 70))) (<= |ULTIMATE.start_main_~x~0#1| 70) .cse136) (and .cse0 .cse1 (= |ULTIMATE.start_main_~x~0#1| .cse54) (<= |ULTIMATE.start_main_~x~0#1| 42) .cse111 .cse110) (and .cse14 (= |ULTIMATE.start_main_~x~0#1| 0) .cse15 .cse137) (and .cse0 (= .cse7 .cse125) .cse1 .cse138 (<= |ULTIMATE.start_main_~x~0#1| 16) .cse56 .cse139) (let ((.cse141 (+ |ULTIMATE.start_main_~x~0#1| (- 100))) (.cse140 (<= .cse130 0))) (and .cse14 (or (not .cse140) (<= 0 .cse141)) (or (<= .cse141 0) .cse140 (<= |ULTIMATE.start_main_~x~0#1| 100)) .cse15 .cse137)) (and .cse0 .cse76 (<= |ULTIMATE.start_main_~x~0#1| 32) .cse1 .cse39 (= .cse72 .cse134) .cse38) (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 95))) (<= |ULTIMATE.start_main_~x~0#1| 95) .cse2 (or (and .cse0 .cse18) (and .cse0 .cse17) (and .cse0 .cse14 .cse15) (and .cse0 .cse16) (and .cse0 .cse12) (and .cse0 .cse1))) (and (or (and .cse17 .cse108) (and .cse108 .cse14 .cse15) (and .cse108 .cse16) (and .cse108 .cse12) (and .cse0 .cse1 .cse108) (and .cse108 .cse18)) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 65))) .cse107 (<= |ULTIMATE.start_main_~x~0#1| 65)) (and (<= |ULTIMATE.start_main_~x~0#1| 73) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 73))) .cse113 (or (and .cse17 .cse114) (and .cse114 .cse18) (and .cse12 .cse114) (and .cse16 .cse114) (and .cse14 .cse15 .cse114) (and .cse0 .cse1 .cse114))) (and .cse0 .cse42 .cse1 .cse43 (= |ULTIMATE.start_main_~x~0#1| .cse87) .cse71) (and (<= |ULTIMATE.start_main_~x~0#1| 86) .cse57 (or (and .cse0 .cse1 .cse59) (and .cse12 .cse59) (and .cse14 .cse15 .cse59) (and .cse16 .cse59) (and .cse59 .cse18) (and .cse17 .cse59)) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 86)))) (and (<= |ULTIMATE.start_main_~x~0#1| 94) .cse142 (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 94))) (or (and .cse143 .cse18) (and .cse143 .cse12) (and .cse0 .cse1 .cse143) (and .cse14 .cse143 .cse15) (and .cse16 .cse143) (and .cse17 .cse143))) (and (or (and .cse17 .cse144) (and .cse0 .cse1 .cse144) (and .cse144 .cse18) (and .cse16 .cse144) (and .cse12 .cse144) (and .cse14 .cse144 .cse15)) .cse145 (<= |ULTIMATE.start_main_~x~0#1| 55) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 55)))) (and .cse4 .cse121 .cse0 (<= |ULTIMATE.start_main_~x~0#1| 33) .cse1 .cse122 (= |ULTIMATE.start_main_~x~0#1| .cse146)) (and (= .cse131 .cse8) .cse0 .cse1 (<= |ULTIMATE.start_main_~x~0#1| 13) .cse46 .cse109 .cse47) (and (or (and .cse17 .cse139) (and .cse12 .cse139) (and .cse14 .cse15 .cse139) (and .cse16 .cse139) (and .cse18 .cse139) (and .cse0 .cse1 .cse139)) (<= |ULTIMATE.start_main_~x~0#1| 84) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 84))) .cse138) (and (or (and .cse17 .cse123) (and .cse16 .cse123) (and .cse18 .cse123) (and .cse0 .cse1 .cse123) (and .cse14 .cse15 .cse123) (and .cse12 .cse123)) (<= |ULTIMATE.start_main_~x~0#1| 81) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 81))) .cse124) (and .cse0 .cse1 .cse78 .cse144 .cse145 (= .cse131 .cse54)) (and (<= |ULTIMATE.start_main_~x~0#1| 64) (or (and .cse16 .cse96) (and .cse96 .cse14 .cse15) (and .cse17 .cse96) (and .cse0 .cse1 .cse96) (and .cse96 .cse18) (and .cse96 .cse12)) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 64))) .cse97) (and (or (and .cse127 .cse18) (and .cse14 .cse127 .cse15) (and .cse127 .cse12) (and .cse17 .cse127) (and .cse16 .cse127) (and .cse0 .cse1 .cse127)) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 80))) (<= |ULTIMATE.start_main_~x~0#1| 80) .cse129) (and .cse0 .cse86 (= (+ .cse53 (- 1)) .cse70) .cse1 .cse22 (<= |ULTIMATE.start_main_~x~0#1| 41) .cse23) (and .cse0 .cse1 .cse142 .cse143 (= |ULTIMATE.start_main_~x~0#1| .cse147) (<= .cse7 5) (<= |ULTIMATE.start_main_~x~0#1| 6))))))) [2023-02-18 15:41:20,960 INFO L899 garLoopResultBuilder]: For program point L28-3(lines 28 36) no Hoare annotation was computed. [2023-02-18 15:41:20,960 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-02-18 15:41:20,960 INFO L899 garLoopResultBuilder]: For program point L18(lines 18 20) no Hoare annotation was computed. [2023-02-18 15:41:20,960 INFO L902 garLoopResultBuilder]: At program point L18-2(lines 17 22) the Hoare annotation is: true [2023-02-18 15:41:20,966 INFO L445 BasicCegarLoop]: Path program histogram: [9, 1, 1, 1] [2023-02-18 15:41:20,968 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-18 15:41:21,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 03:41:21 BoogieIcfgContainer [2023-02-18 15:41:21,047 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-18 15:41:21,048 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-18 15:41:21,048 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-18 15:41:21,048 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-18 15:41:21,048 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 03:40:49" (3/4) ... [2023-02-18 15:41:21,050 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-18 15:41:21,057 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-02-18 15:41:21,057 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-02-18 15:41:21,057 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-18 15:41:21,057 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-18 15:41:21,085 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-18 15:41:21,086 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-18 15:41:21,086 INFO L158 Benchmark]: Toolchain (without parser) took 31740.33ms. Allocated memory was 115.3MB in the beginning and 702.5MB in the end (delta: 587.2MB). Free memory was 73.2MB in the beginning and 305.0MB in the end (delta: -231.8MB). Peak memory consumption was 356.4MB. Max. memory is 16.1GB. [2023-02-18 15:41:21,086 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 115.3MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 15:41:21,086 INFO L158 Benchmark]: CACSL2BoogieTranslator took 147.65ms. Allocated memory is still 115.3MB. Free memory was 73.2MB in the beginning and 63.0MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-18 15:41:21,086 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.44ms. Allocated memory is still 115.3MB. Free memory was 63.0MB in the beginning and 61.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 15:41:21,087 INFO L158 Benchmark]: Boogie Preprocessor took 19.62ms. Allocated memory is still 115.3MB. Free memory was 61.5MB in the beginning and 60.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 15:41:21,087 INFO L158 Benchmark]: RCFGBuilder took 218.00ms. Allocated memory is still 115.3MB. Free memory was 60.2MB in the beginning and 51.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-18 15:41:21,088 INFO L158 Benchmark]: TraceAbstraction took 31292.42ms. Allocated memory was 115.3MB in the beginning and 702.5MB in the end (delta: 587.2MB). Free memory was 51.0MB in the beginning and 308.5MB in the end (delta: -257.5MB). Peak memory consumption was 331.3MB. Max. memory is 16.1GB. [2023-02-18 15:41:21,088 INFO L158 Benchmark]: Witness Printer took 37.80ms. Allocated memory is still 702.5MB. Free memory was 308.5MB in the beginning and 305.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-02-18 15:41:21,089 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 115.3MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 147.65ms. Allocated memory is still 115.3MB. Free memory was 73.2MB in the beginning and 63.0MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.44ms. Allocated memory is still 115.3MB. Free memory was 63.0MB in the beginning and 61.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.62ms. Allocated memory is still 115.3MB. Free memory was 61.5MB in the beginning and 60.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 218.00ms. Allocated memory is still 115.3MB. Free memory was 60.2MB in the beginning and 51.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 31292.42ms. Allocated memory was 115.3MB in the beginning and 702.5MB in the end (delta: 587.2MB). Free memory was 51.0MB in the beginning and 308.5MB in the end (delta: -257.5MB). Peak memory consumption was 331.3MB. Max. memory is 16.1GB. * Witness Printer took 37.80ms. Allocated memory is still 702.5MB. Free memory was 308.5MB in the beginning and 305.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.2s, OverallIterations: 12, TraceHistogramMax: 102, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.0s, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 255 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 255 mSDsluCounter, 16929 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16531 mSDsCounter, 192 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18846 IncrementalHoareTripleChecker+Invalid, 19038 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 192 mSolverCounterUnsat, 398 mSDtfsCounter, 18846 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2834 GetRequests, 1871 SyntacticMatches, 510 SemanticMatches, 453 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36774 ImplicationChecksByTransitivity, 17.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4186occurred in iteration=11, InterpolantAutomatonStates: 373, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 952 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 106 NumberOfFragments, 10230 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 22.1s InterpolantComputationTime, 2530 NumberOfCodeBlocks, 2452 NumberOfCodeBlocksAsserted, 208 NumberOfCheckSat, 3754 ConstructedInterpolants, 0 QuantifiedInterpolants, 15387 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2909 ConjunctsInSsa, 468 ConjunctsInUnsatCore, 30 InterpolantComputations, 3 PerfectInterpolantSequences, 53726/131967 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && y <= 5) && x <= 5) && x == 1 + (1 + 3)) || ((((((x + 1 < 43 && 0 <= y + -5) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 10 <= y + -1) && y <= 11) && x <= 11) && x + -1 == 1 + (1 + 8))) || ((((((x == 1 + (1 + (1 + (1 + 3))) && 0 <= y + -5) && x + -1 <= 6) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && x <= 7) && y <= 7) && 6 <= y + -1)) || (((((((((((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))) && 43 <= y + -1) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 43 <= y + -1)) || ((y >= 0 && 0 <= y) && 43 <= y + -1)) || (((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 43 <= y + -1)) || ((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 43 <= y + -1)) || (((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)) && 43 <= y + -1)) && 0 <= x + -56) && x <= 56) && y <= 44)) || (((y <= 43 && x <= 57) && 0 <= x + -57) && (((((((0 <= y + -5 && 42 <= y + -1) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) || (42 <= y + -1 && ((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))))) || (42 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)))) || (42 <= y + -1 && (0 <= y + -1 || (0 <= y + -1 && y >= 0)))) || (42 <= y + -1 && ((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)))) || ((42 <= y + -1 && y >= 0) && 0 <= y)))) || (((0 <= x + -59 && x <= 59) && ((((((((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 40 <= y + -1) || (40 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)))) || (40 <= y + -1 && ((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))))) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 40 <= y + -1)) || ((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 40 <= y + -1)) || ((y >= 0 && 40 <= y + -1) && 0 <= y))) && y <= 41)) || (((x <= 60 && 0 <= x + -60) && ((((((39 <= y + -1 && ((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)))) || (39 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)))) || (39 <= y + -1 && (0 <= y + -1 || (0 <= y + -1 && y >= 0)))) || ((0 <= y + -5 && 39 <= y + -1) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))) || ((39 <= y + -1 && y >= 0) && 0 <= y)) || (39 <= y + -1 && ((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2))))) && y <= 40)) || (((((((((((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 9 <= y + -1) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 9 <= y + -1)) || ((y >= 0 && 0 <= y) && 9 <= y + -1)) || (9 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)))) || (((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))) && 9 <= y + -1)) || ((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 9 <= y + -1)) && x <= 90) && 0 <= x + -90) && y <= 10)) || (((y <= 34 && x <= 66) && (((((((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 33 <= y + -1) || (33 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)))) || (((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 33 <= y + -1)) || ((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 33 <= y + -1)) || ((y >= 0 && 0 <= y) && 33 <= y + -1)) || (((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))) && 33 <= y + -1))) && 0 <= x + -66)) || (((y <= 38 && ((((((37 <= y + -1 && ((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)))) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 37 <= y + -1)) || ((y >= 0 && 37 <= y + -1) && 0 <= y)) || (((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 37 <= y + -1)) || (37 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)))) || ((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 37 <= y + -1))) && x <= 62) && 0 <= x + -62)) || ((((((0 <= y + -5 && x + -1 == 1 + 24) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 25 <= y + -1) && x + 1 < 36) && y <= 26) && x <= 26)) || ((((((((((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 24 <= y + -1) || ((y >= 0 && 0 <= y) && 24 <= y + -1)) || (24 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)))) || (((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))) && 24 <= y + -1)) || (((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 24 <= y + -1)) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 24 <= y + -1)) && y <= 25) && 0 <= x + -75) && x <= 75)) || (((x <= 68 && 0 <= x + -68) && (((((((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 31 <= y + -1) || (31 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)))) || ((y >= 0 && 31 <= y + -1) && 0 <= y)) || (((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 31 <= y + -1)) || ((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 31 <= y + -1)) || (((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))) && 31 <= y + -1))) && y <= 32)) || (((((((((11 <= y + -1 && (0 <= y + -1 || (0 <= y + -1 && y >= 0))) || (11 <= y + -1 && ((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))))) || (11 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)))) || ((0 <= y + -5 && 11 <= y + -1) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))) || (11 <= y + -1 && ((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)))) || ((11 <= y + -1 && y >= 0) && 0 <= y)) && x <= 88) && 0 <= x + -88) && y <= 12)) || (((y <= 48 && x <= 52) && ((((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 47 <= y + -1) || (47 <= y + -1 && ((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))))) || (47 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3))))) && 0 <= x + -52)) || (((((((y >= 0 && 0 <= y) && 0 <= y + -2) || ((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 0 <= y + -2)) || (((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 0 <= y + -2)) && y <= 2) && 0 <= x + -98) && x <= 98)) || (((x <= 74 && y <= 26) && ((((((25 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3))) || (25 <= y + -1 && ((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))))) || ((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 25 <= y + -1)) || ((25 <= y + -1 && y >= 0) && 0 <= y)) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 25 <= y + -1)) || (25 <= y + -1 && ((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2))))) && 0 <= x + -74)) || (((x <= 87 && 0 <= x + -87) && ((((((12 <= y + -1 && ((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)))) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 12 <= y + -1)) || (((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 12 <= y + -1)) || ((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 12 <= y + -1)) || (12 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)))) || ((y >= 0 && 12 <= y + -1) && 0 <= y))) && y <= 13)) || ((((((x <= 25 && 0 <= y + -5) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && x + 1 < 35) && x == 1 + 24) && y <= 25) && 24 <= y + -1)) || ((((((0 <= y + -5 && 48 <= y + -1) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) || (48 <= y + -1 && ((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))))) && 0 <= x + -51) && x <= 51) && y <= 49)) || (((0 <= x + -71 && y <= 29) && (((((((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 28 <= y + -1) || (((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))) && 28 <= y + -1)) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 28 <= y + -1)) || ((y >= 0 && 0 <= y) && 28 <= y + -1)) || (((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)) && 28 <= y + -1)) || (((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 28 <= y + -1))) && x <= 71)) || (((((0 <= y + -5 && y <= 46) && x + -1 + -1 + -1 + -1 == 1 + 41) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 45 <= y + -1) && x + 1 < 48)) || ((((((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && y <= 14) && x + 1 < 46) && 13 <= y + -1) && x + -1 + -1 + -1 + -1 == 1 + (1 + 8)) && x <= 14)) || (((x <= 61 && y <= 39) && 0 <= x + -61) && ((((((38 <= y + -1 && ((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)))) || ((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 38 <= y + -1)) || ((38 <= y + -1 && y >= 0) && 0 <= y)) || (38 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)))) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 38 <= y + -1)) || (38 <= y + -1 && ((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)))))) || (((((y <= 4 && 0 <= y + -4) && 0 <= y + -1) && 3 <= y + -1) && x == 1 + 3) && x <= 4)) || ((((((x <= 28 && 0 <= y + -5) && y <= 28) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && x + -1 == 1 + 26) && x + 1 < 38) && 27 <= y + -1)) || ((((((0 <= y + -5 && 39 <= y + -1) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && x + -1 + -1 + -1 + -1 == 1 + 35) && x + 1 < 50) && x <= 40) && y <= 40)) || ((((((x + 1 < 34 && 0 <= y + -5) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && x <= 24) && x + -1 + -1 == 1 + 21) && y <= 24) && 23 <= y + -1)) || ((((((x <= 10 && 0 <= y + -5) && x == 1 + (1 + 8)) && x + 1 < 42) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 9 <= y + -1) && y <= 10)) || ((((((0 <= y + -5 && 11 <= y + -1) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && x + -1 + -1 == 1 + (1 + 8)) && x <= 12) && y <= 12) && x + 1 < 44)) || ((((((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && x + -1 == 1 + 35) && x + 1 < 47) && 36 <= y + -1) && x <= 37) && y <= 37)) || ((((((0 <= y + -5 && y <= 34) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && x <= 34) && x + 1 < 44) && x == 1 + (1 + 32)) && 33 <= y + -1)) || ((((((0 <= y + -5 && 21 <= y + -1) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && x == 1 + 21) && x <= 22) && y <= 22) && x + 1 < 32)) || (((y <= 17 && 0 <= x + -83) && x <= 83) && (((((((y >= 0 && 16 <= y + -1) && 0 <= y) || (((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 16 <= y + -1)) || ((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 16 <= y + -1)) || (16 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)))) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 16 <= y + -1)) || (((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))) && 16 <= y + -1)))) || (((((0 <= y + -5 && x < 50) && 48 <= y + -1) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && y <= 49) && x == 1 + (1 + (1 + 46)))) || (((0 <= x + -97 && x <= 97) && ((((0 <= y + -3 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3))) || ((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 0 <= y + -3)) || (((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 0 <= y + -3)) || ((y >= 0 && 0 <= y) && 0 <= y + -3))) && y <= 3)) || (((((0 <= y + -5 && y <= 47) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && x == 1 + 46) && x + 1 < 49) && 46 <= y + -1)) || (((((((((7 <= y + -1 && (0 <= y + -1 || (0 <= y + -1 && y >= 0))) || (7 <= y + -1 && ((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)))) || ((0 <= y + -5 && 7 <= y + -1) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))) || (7 <= y + -1 && ((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))))) || ((7 <= y + -1 && y >= 0) && 0 <= y)) || (7 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)))) && x <= 92) && y <= 8) && 0 <= x + -92)) || ((((((x + -1 == 1 + (1 + (1 + (1 + 3))) && 0 <= y + -5) && 7 <= y + -1) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && x + -1 <= 7) && x <= 8) && y <= 8)) || ((((((0 <= y + -5 && x == 1 + 35) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 35 <= y + -1) && x <= 36) && x + 1 < 46) && y <= 36)) || (((y <= 15 && ((((((14 <= y + -1 && ((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)))) || ((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 14 <= y + -1)) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 14 <= y + -1)) || (((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 14 <= y + -1)) || ((y >= 0 && 14 <= y + -1) && 0 <= y)) || (14 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3))))) && x <= 85) && 0 <= x + -85)) || ((((((x + -1 + -1 == 1 + 0 && x < 50) && 0 <= y + -1) && x <= 3) && y <= 3) && 2 <= y + -1) && 0 <= y + -3)) || (((((((((20 <= y + -1 && ((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)))) || (20 <= y + -1 && (0 <= y + -1 || (0 <= y + -1 && y >= 0)))) || ((0 <= y + -5 && 20 <= y + -1) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))) || ((20 <= y + -1 && y >= 0) && 0 <= y)) || (20 <= y + -1 && ((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)))) || (20 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)))) && y <= 21) && x <= 79) && 0 <= x + -79)) || (((x <= 76 && y <= 24) && 0 <= x + -76) && ((((((((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 23 <= y + -1) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 23 <= y + -1)) || (((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))) && 23 <= y + -1)) || (((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)) && 23 <= y + -1)) || ((y >= 0 && 0 <= y) && 23 <= y + -1)) || ((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 23 <= y + -1)))) || ((((((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 8 <= y + -1) && x + -1 <= 8) && x == 1 + 8) && y <= 9) && x <= 9)) || ((((((x <= 35 && 0 <= y + -5) && y <= 35) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 34 <= y + -1) && x + -1 == 1 + (1 + 32)) && x + 1 < 45)) || (((((x + -1 + -1 == 1 + 41 && 0 <= y + -5) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && x + 1 < 46) && y <= 44) && 43 <= y + -1)) || (((0 <= x + -72 && y <= 28) && (((((((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 27 <= y + -1) || (((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))) && 27 <= y + -1)) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 27 <= y + -1)) || ((y >= 0 && 0 <= y) && 27 <= y + -1)) || (((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)) && 27 <= y + -1)) || (((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 27 <= y + -1))) && x <= 72)) || (((((((((41 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3))) || ((y >= 0 && 0 <= y) && 41 <= y + -1)) || (((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 41 <= y + -1)) || ((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 41 <= y + -1)) || (((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))) && 41 <= y + -1)) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 41 <= y + -1)) && y <= 42) && x <= 58) && 0 <= x + -58)) || (((x <= 1 && y <= 1) && 0 <= y + -1) && x == 1 + 0)) || ((((((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && y <= 27) && x + 1 < 37) && x <= 27) && 26 <= y + -1) && x == 1 + 26)) || (((x <= 78 && 0 <= x + -78) && ((((((21 <= y + -1 && ((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)))) || (21 <= y + -1 && ((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)))) || ((0 <= y + -5 && 21 <= y + -1) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))) || (21 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)))) || ((21 <= y + -1 && y >= 0) && 0 <= y)) || (21 <= y + -1 && (0 <= y + -1 || (0 <= y + -1 && y >= 0))))) && y <= 22)) || (((((x <= 50 && 0 <= y + -5) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 0 <= x + -50) && y <= 50) && 49 <= y + -1)) || (((y <= 18 && 0 <= x + -82) && x <= 82) && (((((((0 <= y + -5 && 17 <= y + -1) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) || (17 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)))) || ((17 <= y + -1 && y >= 0) && 0 <= y)) || (17 <= y + -1 && ((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)))) || (17 <= y + -1 && (0 <= y + -1 || (0 <= y + -1 && y >= 0)))) || (17 <= y + -1 && ((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))))))) || ((((((y <= 17 && 0 <= y + -5) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && x <= 17) && x == 1 + 16) && 16 <= y + -1) && x + 1 < 49)) || (((y <= 4 && 0 <= x + -96) && x <= 96) && (((((0 <= y + -4 && ((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2))) || ((0 <= y + -4 && y >= 0) && 0 <= y)) || (0 <= y + -4 && (0 <= y + -1 || (0 <= y + -1 && y >= 0)))) || (0 <= y + -4 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)))) || (0 <= y + -4 && ((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))))))) || (((((((((22 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3))) || (22 <= y + -1 && ((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))))) || (22 <= y + -1 && ((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)))) || ((0 <= y + -5 && 22 <= y + -1) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))) || (22 <= y + -1 && (0 <= y + -1 || (0 <= y + -1 && y >= 0)))) || ((22 <= y + -1 && y >= 0) && 0 <= y)) && y <= 23) && 0 <= x + -77) && x <= 77)) || (((((((((32 <= y + -1 && ((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)))) || (32 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)))) || ((32 <= y + -1 && 0 <= y + -5) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))) || ((32 <= y + -1 && y >= 0) && 0 <= y)) || (32 <= y + -1 && ((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)))) || (32 <= y + -1 && (0 <= y + -1 || (0 <= y + -1 && y >= 0)))) && y <= 33) && x <= 67) && 0 <= x + -67)) || (((((x + -1 == 1 + 41 && y <= 43) && 0 <= y + -5) && 42 <= y + -1) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && x + 1 < 45)) || (((((((((36 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3))) || (((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 36 <= y + -1)) || ((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 36 <= y + -1)) || ((y >= 0 && 36 <= y + -1) && 0 <= y)) || (((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))) && 36 <= y + -1)) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 36 <= y + -1)) && x <= 63) && 0 <= x + -63) && y <= 37)) || (((y <= 47 && x <= 53) && 0 <= x + -53) && ((((((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 46 <= y + -1) || (((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)) && 46 <= y + -1)) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 46 <= y + -1)) || (((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))) && 46 <= y + -1)))) || ((((((0 <= y + -5 && x < 50) && x + -1 + -1 == 1 + 16) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && x <= 19) && 18 <= y + -1) && y <= 19)) || ((((((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && y <= 15) && x + 1 < 47) && 14 <= y + -1) && x == 1 + 14) && x <= 15)) || (((0 <= x + -91 && x <= 91) && (((((((y >= 0 && 8 <= y + -1) && 0 <= y) || (((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 8 <= y + -1)) || (8 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)))) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 8 <= y + -1)) || ((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 8 <= y + -1)) || (8 <= y + -1 && ((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)))))) && y <= 9)) || ((((((1 <= y + -1 && y <= 2) && 0 <= y + -1) && x + 1 < 50) && x + -1 == 1 + 0) && x <= 2) && 0 <= y + -2)) || ((((((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && y <= 38) && 37 <= y + -1) && x + -1 + -1 == 1 + 35) && x + 1 < 48) && x <= 38)) || ((((((0 <= y + -5 && y <= 29) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && x <= 29) && x + -1 + -1 == 1 + 26) && x + 1 < 39) && 28 <= y + -1)) || (((((0 <= y + -5 && x <= 20) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 19 <= y + -1) && x == 1 + 19) && y <= 20)) || (((((((((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 45 <= y + -1) || (45 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)))) || (((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 45 <= y + -1)) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 45 <= y + -1)) || (((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))) && 45 <= y + -1)) && y <= 46) && 0 <= x + -54) && x <= 54)) || (((y <= 1 && x <= 99) && 0 <= x + -99) && (((0 <= y + -1 && y >= 0) && 0 <= y) || ((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 0 <= y + -1)))) || (((x <= 93 && ((((((((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 6 <= y + -1) || ((y >= 0 && 0 <= y) && 6 <= y + -1)) || (((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))) && 6 <= y + -1)) || ((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 6 <= y + -1)) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 6 <= y + -1)) || (((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)) && 6 <= y + -1))) && 0 <= x + -93) && y <= 7)) || (((y <= 11 && (((((((10 <= y + -1 && y >= 0) && 0 <= y) || ((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 10 <= y + -1)) || (10 <= y + -1 && ((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)))) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 10 <= y + -1)) || (10 <= y + -1 && ((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))))) || (10 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3))))) && 0 <= x + -89) && x <= 89)) || ((((((y <= 39 && 0 <= y + -5) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 38 <= y + -1) && x <= 39) && x + -1 + -1 + -1 == 1 + 35) && x + 1 < 49)) || ((((((y <= 23 && 0 <= y + -5) && 22 <= y + -1) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && x + 1 < 33) && x + -1 == 1 + 21) && x <= 23)) || ((((((0 <= y + -5 && 20 <= y + -1) && x + 1 < 31) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && y <= 21) && x <= 21) && x + -1 == 1 + 19)) || ((((((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 30 <= y + -1) && y <= 31) && x + -1 == 1 + 29) && x + 1 < 41) && x <= 31)) || ((((((y <= 18 && 0 <= y + -5) && 17 <= y + -1) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && x + -1 == 1 + 16) && x <= 18) && x + 1 < 50)) || ((((((0 <= y + -5 && 29 <= y + -1) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && x <= 30) && x + 1 < 40) && x == 1 + 29) && y <= 30)) || (((((((((30 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3))) || ((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 30 <= y + -1)) || (30 <= y + -1 && ((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))))) || ((y >= 0 && 30 <= y + -1) && 0 <= y)) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 30 <= y + -1)) || (((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 30 <= y + -1)) && 0 <= x + -69) && x <= 69) && y <= 31)) || (((((((((29 <= y + -1 && ((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2))) || (29 <= y + -1 && (0 <= y + -1 || (0 <= y + -1 && y >= 0)))) || (29 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)))) || (29 <= y + -1 && ((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))))) || ((29 <= y + -1 && y >= 0) && 0 <= y)) || ((0 <= y + -5 && 29 <= y + -1) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))) && 0 <= x + -70) && x <= 70) && y <= 30)) || (((((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && x == 1 + 41) && x <= 42) && y <= 42) && 41 <= y + -1)) || (((y >= 0 && x == 0) && 0 <= y) && y == 0)) || ((((((0 <= y + -5 && x + -1 == 1 + 14) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && y <= 16) && x <= 16) && x + 1 < 48) && 15 <= y + -1)) || ((((y >= 0 && (!(x + -99 <= 0) || 0 <= x + -100)) && ((x + -100 <= 0 || x + -99 <= 0) || x <= 100)) && 0 <= y) && y == 0)) || ((((((0 <= y + -5 && x + 1 < 42) && x <= 32) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && y <= 32) && x + -1 + -1 == 1 + 29) && 31 <= y + -1)) || (((0 <= x + -95 && x <= 95) && y <= 5) && ((((((0 <= y + -5 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3))) || (0 <= y + -5 && (0 <= y + -1 || (0 <= y + -1 && y >= 0)))) || ((0 <= y + -5 && y >= 0) && 0 <= y)) || (0 <= y + -5 && ((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)))) || (0 <= y + -5 && ((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))))) || (0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))))) || ((((((((((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 34 <= y + -1) || ((34 <= y + -1 && y >= 0) && 0 <= y)) || (34 <= y + -1 && ((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)))) || (34 <= y + -1 && ((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))))) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 34 <= y + -1)) || (34 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)))) && 0 <= x + -65) && y <= 35) && x <= 65)) || (((x <= 73 && 0 <= x + -73) && y <= 27) && (((((((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 26 <= y + -1) || (26 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)))) || (((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))) && 26 <= y + -1)) || (((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 26 <= y + -1)) || ((y >= 0 && 0 <= y) && 26 <= y + -1)) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 26 <= y + -1)))) || (((((0 <= y + -5 && y <= 48) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 47 <= y + -1) && x == 1 + (1 + 46)) && x + 1 < 50)) || (((x <= 86 && y <= 14) && (((((((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 13 <= y + -1) || (((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))) && 13 <= y + -1)) || ((y >= 0 && 0 <= y) && 13 <= y + -1)) || (((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 13 <= y + -1)) || (13 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)))) || ((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 13 <= y + -1))) && 0 <= x + -86)) || (((x <= 94 && y <= 6) && 0 <= x + -94) && ((((((0 <= y + -6 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3))) || (0 <= y + -6 && ((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))))) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 0 <= y + -6)) || ((y >= 0 && 0 <= y + -6) && 0 <= y)) || (((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 0 <= y + -6)) || ((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 0 <= y + -6)))) || ((((((((((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 44 <= y + -1) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 44 <= y + -1)) || (44 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)))) || (((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 44 <= y + -1)) || (((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))) && 44 <= y + -1)) || ((y >= 0 && 44 <= y + -1) && 0 <= y)) && y <= 45) && x <= 55) && 0 <= x + -55)) || ((((((x + 1 < 43 && 32 <= y + -1) && 0 <= y + -5) && x <= 33) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && y <= 33) && x == 1 + 32)) || ((((((x + -1 + -1 + -1 == 1 + (1 + 8) && 0 <= y + -5) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && x <= 13) && 12 <= y + -1) && x + 1 < 45) && y <= 13)) || ((((((((((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 15 <= y + -1) || (((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))) && 15 <= y + -1)) || ((y >= 0 && 0 <= y) && 15 <= y + -1)) || (((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 15 <= y + -1)) || (((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)) && 15 <= y + -1)) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 15 <= y + -1)) && x <= 84) && 0 <= x + -84) && y <= 16)) || ((((((((((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 18 <= y + -1) || (((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 18 <= y + -1)) || (((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)) && 18 <= y + -1)) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 18 <= y + -1)) || ((y >= 0 && 0 <= y) && 18 <= y + -1)) || (((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))) && 18 <= y + -1)) && x <= 81) && 0 <= x + -81) && y <= 19)) || (((((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && x + 1 < 47) && 44 <= y + -1) && y <= 45) && x + -1 + -1 + -1 == 1 + 41)) || (((x <= 64 && ((((((((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 35 <= y + -1) || ((35 <= y + -1 && y >= 0) && 0 <= y)) || ((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 35 <= y + -1)) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 35 <= y + -1)) || (35 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3)))) || (35 <= y + -1 && ((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)))))) && 0 <= x + -64) && y <= 36)) || (((((((((19 <= y + -1 && ((2 <= y + -1 && 0 <= y + -3) || (1 <= y + -1 && 0 <= y + -3))) || ((y >= 0 && 19 <= y + -1) && 0 <= y)) || (19 <= y + -1 && ((0 <= y + -4 && 2 <= y + -1) || (0 <= y + -4 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1))))) || ((0 <= y + -1 || (0 <= y + -1 && y >= 0)) && 19 <= y + -1)) || (((0 <= y + -1 && 0 <= y + -2) || (1 <= y + -1 && 0 <= y + -2)) && 19 <= y + -1)) || ((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 19 <= y + -1)) && 0 <= x + -80) && x <= 80) && y <= 20)) || ((((((0 <= y + -5 && x < 50) && x + -1 + -1 + -1 + -1 + -1 == 1 + 35) && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && 40 <= y + -1) && x <= 41) && y <= 41)) || ((((((0 <= y + -5 && ((0 <= y + -1 && 3 <= y + -1) || 3 <= y + -1)) && y <= 6) && 0 <= y + -6) && x == 1 + (1 + (1 + 3))) && x + -1 <= 5) && x <= 6) RESULT: Ultimate proved your program to be correct! [2023-02-18 15:41:21,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE