./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/underapprox_1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 26d01a9c 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-acceleration/underapprox_1-2.c -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 3627a732530e36fdf7a132fca7d3f33785550e6f2e2a95fdbae864743bbd37d1 --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-17 01:04:03,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-17 01:04:03,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-17 01:04:03,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-17 01:04:03,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-17 01:04:03,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-17 01:04:03,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-17 01:04:03,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-17 01:04:03,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-17 01:04:03,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-17 01:04:03,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-17 01:04:03,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-17 01:04:03,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-17 01:04:03,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-17 01:04:03,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-17 01:04:03,697 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-17 01:04:03,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-17 01:04:03,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-17 01:04:03,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-17 01:04:03,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-17 01:04:03,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-17 01:04:03,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-17 01:04:03,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-17 01:04:03,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-17 01:04:03,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-17 01:04:03,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-17 01:04:03,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-17 01:04:03,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-17 01:04:03,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-17 01:04:03,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-17 01:04:03,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-17 01:04:03,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-17 01:04:03,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-17 01:04:03,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-17 01:04:03,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-17 01:04:03,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-17 01:04:03,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-17 01:04:03,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-17 01:04:03,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-17 01:04:03,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-17 01:04:03,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-17 01:04:03,717 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-17 01:04:03,761 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-17 01:04:03,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-17 01:04:03,762 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-17 01:04:03,762 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-17 01:04:03,763 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-17 01:04:03,763 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-17 01:04:03,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-17 01:04:03,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-17 01:04:03,764 INFO L138 SettingsManager]: * Use SBE=true [2023-02-17 01:04:03,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-17 01:04:03,764 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-17 01:04:03,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-17 01:04:03,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-17 01:04:03,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-17 01:04:03,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-17 01:04:03,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-17 01:04:03,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-17 01:04:03,766 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-17 01:04:03,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-17 01:04:03,766 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-17 01:04:03,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-17 01:04:03,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-17 01:04:03,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-17 01:04:03,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-17 01:04:03,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 01:04:03,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-17 01:04:03,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-17 01:04:03,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-17 01:04:03,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-17 01:04:03,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-17 01:04:03,770 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-17 01:04:03,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-17 01:04:03,770 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-17 01:04:03,770 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-17 01:04:03,770 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-17 01:04:03,771 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3627a732530e36fdf7a132fca7d3f33785550e6f2e2a95fdbae864743bbd37d1 [2023-02-17 01:04:03,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-17 01:04:04,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-17 01:04:04,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-17 01:04:04,011 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-17 01:04:04,012 INFO L275 PluginConnector]: CDTParser initialized [2023-02-17 01:04:04,013 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/underapprox_1-2.c [2023-02-17 01:04:05,169 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-17 01:04:05,297 INFO L351 CDTParser]: Found 1 translation units. [2023-02-17 01:04:05,298 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/underapprox_1-2.c [2023-02-17 01:04:05,302 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4447ac2f/908fdd6127ca4e4d81706d576d6f1888/FLAG3386dc2d1 [2023-02-17 01:04:05,315 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4447ac2f/908fdd6127ca4e4d81706d576d6f1888 [2023-02-17 01:04:05,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-17 01:04:05,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-17 01:04:05,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-17 01:04:05,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-17 01:04:05,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-17 01:04:05,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 01:04:05" (1/1) ... [2023-02-17 01:04:05,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fc3466f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:04:05, skipping insertion in model container [2023-02-17 01:04:05,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 01:04:05" (1/1) ... [2023-02-17 01:04:05,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-17 01:04:05,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-17 01:04:05,469 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-acceleration/underapprox_1-2.c[327,340] [2023-02-17 01:04:05,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 01:04:05,498 INFO L203 MainTranslator]: Completed pre-run [2023-02-17 01:04:05,507 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-acceleration/underapprox_1-2.c[327,340] [2023-02-17 01:04:05,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 01:04:05,520 INFO L208 MainTranslator]: Completed translation [2023-02-17 01:04:05,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:04:05 WrapperNode [2023-02-17 01:04:05,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-17 01:04:05,522 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-17 01:04:05,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-17 01:04:05,523 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-17 01:04:05,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:04:05" (1/1) ... [2023-02-17 01:04:05,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:04:05" (1/1) ... [2023-02-17 01:04:05,550 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2023-02-17 01:04:05,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-17 01:04:05,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-17 01:04:05,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-17 01:04:05,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-17 01:04:05,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:04:05" (1/1) ... [2023-02-17 01:04:05,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:04:05" (1/1) ... [2023-02-17 01:04:05,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:04:05" (1/1) ... [2023-02-17 01:04:05,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:04:05" (1/1) ... [2023-02-17 01:04:05,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:04:05" (1/1) ... [2023-02-17 01:04:05,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:04:05" (1/1) ... [2023-02-17 01:04:05,586 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:04:05" (1/1) ... [2023-02-17 01:04:05,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:04:05" (1/1) ... [2023-02-17 01:04:05,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-17 01:04:05,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-17 01:04:05,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-17 01:04:05,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-17 01:04:05,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:04:05" (1/1) ... [2023-02-17 01:04:05,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 01:04:05,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 01:04:05,621 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) [2023-02-17 01:04:05,630 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 [2023-02-17 01:04:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-17 01:04:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-17 01:04:05,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-17 01:04:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-17 01:04:05,703 INFO L235 CfgBuilder]: Building ICFG [2023-02-17 01:04:05,705 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-17 01:04:05,820 INFO L276 CfgBuilder]: Performing block encoding [2023-02-17 01:04:05,825 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-17 01:04:05,825 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-17 01:04:05,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 01:04:05 BoogieIcfgContainer [2023-02-17 01:04:05,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-17 01:04:05,829 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-17 01:04:05,829 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-17 01:04:05,832 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-17 01:04:05,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.02 01:04:05" (1/3) ... [2023-02-17 01:04:05,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17682a19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 01:04:05, skipping insertion in model container [2023-02-17 01:04:05,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 01:04:05" (2/3) ... [2023-02-17 01:04:05,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17682a19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 01:04:05, skipping insertion in model container [2023-02-17 01:04:05,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 01:04:05" (3/3) ... [2023-02-17 01:04:05,835 INFO L112 eAbstractionObserver]: Analyzing ICFG underapprox_1-2.c [2023-02-17 01:04:05,850 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-17 01:04:05,851 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-17 01:04:05,890 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-17 01:04:05,896 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;@7bb5d917, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-17 01:04:05,897 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-17 01:04:05,901 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) [2023-02-17 01:04:05,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-17 01:04:05,906 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 01:04:05,907 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-17 01:04:05,907 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 01:04:05,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 01:04:05,912 INFO L85 PathProgramCache]: Analyzing trace with hash 889633835, now seen corresponding path program 1 times [2023-02-17 01:04:05,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 01:04:05,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725121188] [2023-02-17 01:04:05,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 01:04:05,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 01:04:06,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 01:04:06,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 01:04:06,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 01:04:06,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725121188] [2023-02-17 01:04:06,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725121188] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 01:04:06,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 01:04:06,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-17 01:04:06,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278261219] [2023-02-17 01:04:06,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 01:04:06,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-17 01:04:06,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 01:04:06,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-17 01:04:06,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 01:04:06,191 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2023-02-17 01:04:06,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 01:04:06,233 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2023-02-17 01:04:06,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-17 01:04:06,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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 [2023-02-17 01:04:06,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 01:04:06,242 INFO L225 Difference]: With dead ends: 20 [2023-02-17 01:04:06,242 INFO L226 Difference]: Without dead ends: 8 [2023-02-17 01:04:06,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-17 01:04:06,248 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 01:04:06,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 01:04:06,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2023-02-17 01:04:06,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2023-02-17 01:04:06,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 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) [2023-02-17 01:04:06,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2023-02-17 01:04:06,278 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2023-02-17 01:04:06,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 01:04:06,278 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2023-02-17 01:04:06,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2023-02-17 01:04:06,279 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2023-02-17 01:04:06,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-17 01:04:06,280 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 01:04:06,280 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-17 01:04:06,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-17 01:04:06,281 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 01:04:06,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 01:04:06,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1810510480, now seen corresponding path program 1 times [2023-02-17 01:04:06,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 01:04:06,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912843921] [2023-02-17 01:04:06,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 01:04:06,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 01:04:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 01:04:06,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 01:04:06,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 01:04:06,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912843921] [2023-02-17 01:04:06,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912843921] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 01:04:06,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258204346] [2023-02-17 01:04:06,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 01:04:06,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 01:04:06,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 01:04:06,444 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) [2023-02-17 01:04:06,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-17 01:04:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 01:04:06,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-17 01:04:06,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 01:04:06,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 01:04:06,546 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 01:04:06,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 01:04:06,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258204346] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 01:04:06,583 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 01:04:06,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-02-17 01:04:06,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883019689] [2023-02-17 01:04:06,585 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 01:04:06,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-17 01:04:06,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 01:04:06,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-17 01:04:06,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2023-02-17 01:04:06,589 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 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) [2023-02-17 01:04:06,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 01:04:06,629 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2023-02-17 01:04:06,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-17 01:04:06,629 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 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) Word has length 7 [2023-02-17 01:04:06,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 01:04:06,631 INFO L225 Difference]: With dead ends: 15 [2023-02-17 01:04:06,631 INFO L226 Difference]: Without dead ends: 11 [2023-02-17 01:04:06,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2023-02-17 01:04:06,635 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 01:04:06,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 01:04:06,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2023-02-17 01:04:06,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-02-17 01:04:06,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 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) [2023-02-17 01:04:06,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-02-17 01:04:06,642 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2023-02-17 01:04:06,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 01:04:06,642 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2023-02-17 01:04:06,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 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) [2023-02-17 01:04:06,643 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-02-17 01:04:06,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-02-17 01:04:06,643 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 01:04:06,644 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1] [2023-02-17 01:04:06,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-17 01:04:06,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 01:04:06,850 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 01:04:06,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 01:04:06,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1922847381, now seen corresponding path program 2 times [2023-02-17 01:04:06,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 01:04:06,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565057109] [2023-02-17 01:04:06,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 01:04:06,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 01:04:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 01:04:06,964 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 01:04:06,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 01:04:06,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565057109] [2023-02-17 01:04:06,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565057109] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 01:04:06,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103913730] [2023-02-17 01:04:06,965 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-17 01:04:06,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 01:04:06,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 01:04:06,966 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) [2023-02-17 01:04:06,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-17 01:04:07,019 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-17 01:04:07,020 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 01:04:07,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjunts are in the unsatisfiable core [2023-02-17 01:04:07,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 01:04:07,073 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 01:04:07,074 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 01:04:07,129 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 01:04:07,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103913730] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 01:04:07,130 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 01:04:07,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2023-02-17 01:04:07,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021606892] [2023-02-17 01:04:07,130 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 01:04:07,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-02-17 01:04:07,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 01:04:07,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-02-17 01:04:07,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2023-02-17 01:04:07,134 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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) [2023-02-17 01:04:07,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 01:04:07,177 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2023-02-17 01:04:07,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-17 01:04:07,178 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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 10 [2023-02-17 01:04:07,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 01:04:07,179 INFO L225 Difference]: With dead ends: 17 [2023-02-17 01:04:07,179 INFO L226 Difference]: Without dead ends: 13 [2023-02-17 01:04:07,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2023-02-17 01:04:07,183 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 01:04:07,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 01:04:07,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-02-17 01:04:07,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-02-17 01:04:07,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 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) [2023-02-17 01:04:07,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2023-02-17 01:04:07,194 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2023-02-17 01:04:07,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 01:04:07,194 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2023-02-17 01:04:07,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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) [2023-02-17 01:04:07,194 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2023-02-17 01:04:07,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-02-17 01:04:07,195 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 01:04:07,195 INFO L195 NwaCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1] [2023-02-17 01:04:07,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-17 01:04:07,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-02-17 01:04:07,402 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 01:04:07,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 01:04:07,403 INFO L85 PathProgramCache]: Analyzing trace with hash -967103989, now seen corresponding path program 3 times [2023-02-17 01:04:07,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 01:04:07,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916187303] [2023-02-17 01:04:07,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 01:04:07,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 01:04:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 01:04:11,139 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 20 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 01:04:11,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 01:04:11,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916187303] [2023-02-17 01:04:11,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916187303] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 01:04:11,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624033456] [2023-02-17 01:04:11,140 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-17 01:04:11,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 01:04:11,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 01:04:11,145 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) [2023-02-17 01:04:11,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-17 01:04:11,218 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-02-17 01:04:11,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 01:04:11,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 20 conjunts are in the unsatisfiable core [2023-02-17 01:04:11,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 01:04:13,651 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 01:04:13,651 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 01:04:31,322 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-17 01:04:31,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624033456] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 01:04:31,323 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 01:04:31,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2023-02-17 01:04:31,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519791455] [2023-02-17 01:04:31,324 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 01:04:31,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-02-17 01:04:31,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 01:04:31,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-02-17 01:04:31,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=381, Unknown=6, NotChecked=0, Total=506 [2023-02-17 01:04:31,325 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 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) [2023-02-17 01:04:50,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-02-17 01:04:52,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-02-17 01:05:04,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-02-17 01:05:14,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-02-17 01:05:16,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-02-17 01:05:18,754 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse220 (* |c_ULTIMATE.start_main_~y~0#1| 16)) (.cse178 (* |c_ULTIMATE.start_main_~y~0#1| 2)) (.cse222 (* |c_ULTIMATE.start_main_~y~0#1| 8)) (.cse226 (* |c_ULTIMATE.start_main_~y~0#1| 4))) (let ((.cse99 (div .cse226 4294967296)) (.cse123 (div |c_ULTIMATE.start_main_~y~0#1| 4294967296)) (.cse149 (div .cse222 4294967296)) (.cse176 (div .cse178 4294967296)) (.cse36 (div .cse220 4294967296))) (let ((.cse217 (* .cse36 (- 4294967296))) (.cse216 (* .cse176 (- 4294967296))) (.cse213 (* .cse149 (- 4294967296))) (.cse212 (* .cse123 (- 4294967296))) (.cse210 (* .cse99 (- 4294967296)))) (let ((.cse97 (div (+ .cse226 .cse210) 3)) (.cse124 (div (+ |c_ULTIMATE.start_main_~y~0#1| .cse212) 3)) (.cse148 (div (+ .cse213 .cse222) 3)) (.cse175 (div (+ .cse178 .cse216) 3)) (.cse37 (div (+ .cse217 .cse220) 3)) (.cse101 (* .cse178 2))) (let ((.cse151 (* 2 .cse101)) (.cse218 (* .cse37 (- 3))) (.cse219 (* (- 1) .cse36)) (.cse215 (* .cse175 (- 3))) (.cse221 (* (- 1) .cse176)) (.cse214 (* .cse148 (- 3))) (.cse223 (* (- 1) .cse149)) (.cse224 (* (- 1) .cse123)) (.cse211 (* .cse124 (- 3))) (.cse225 (* (- 1) .cse99)) (.cse209 (* .cse97 (- 3)))) (let ((.cse100 (+ .cse225 (div (+ .cse226 .cse209) 4294967296))) (.cse106 (+ .cse225 (div (+ .cse226 (- 3) .cse209) 4294967296))) (.cse126 (+ .cse224 (div (+ |c_ULTIMATE.start_main_~y~0#1| .cse211 (- 3)) 4294967296))) (.cse131 (+ (div (+ |c_ULTIMATE.start_main_~y~0#1| .cse211) 4294967296) .cse224)) (.cse157 (+ (div (+ .cse214 .cse222) 4294967296) .cse223)) (.cse152 (+ (div (+ .cse214 (- 3) .cse222) 4294967296) .cse223)) (.cse179 (+ (div (+ .cse215 .cse178) 4294967296) .cse221)) (.cse182 (+ (div (+ .cse215 .cse178 (- 3)) 4294967296) .cse221)) (.cse44 (+ (div (+ .cse220 .cse218) 4294967296) .cse219)) (.cse39 (+ .cse219 (div (+ (- 3) .cse220 .cse218) 4294967296))) (.cse40 (* 2 .cse151))) (let ((.cse35 (+ .cse217 .cse40 (- 3) .cse218)) (.cse199 (* .cse39 (- 4294967296))) (.cse200 (* (- 4294967296) .cse44)) (.cse42 (+ .cse217 .cse40 .cse218)) (.cse181 (+ .cse215 .cse178 (- 3) .cse216)) (.cse201 (* .cse182 (- 4294967296))) (.cse174 (+ .cse215 .cse178 .cse216)) (.cse202 (* .cse179 (- 4294967296))) (.cse203 (* .cse152 (- 4294967296))) (.cse150 (+ .cse213 .cse214 (- 3) .cse151)) (.cse204 (* (- 4294967296) .cse157)) (.cse155 (+ .cse213 .cse214 .cse151)) (.cse205 (* .cse131 (- 4294967296))) (.cse129 (+ |c_ULTIMATE.start_main_~y~0#1| .cse211 .cse212)) (.cse206 (* .cse126 (- 4294967296))) (.cse125 (+ |c_ULTIMATE.start_main_~y~0#1| .cse211 (- 3) .cse212)) (.cse104 (+ (- 3) .cse101 .cse209 .cse210)) (.cse207 (* .cse106 (- 4294967296))) (.cse98 (+ .cse101 .cse209 .cse210)) (.cse208 (* (- 4294967296) .cse100))) (let ((.cse103 (+ .cse98 .cse208 (- 4294967296))) (.cse3 (<= (+ (- 2147483647) .cse98 .cse208) 0)) (.cse102 (+ .cse98 .cse208)) (.cse197 (<= (+ (* .cse99 4294967296) (* (- 1) .cse101)) 0)) (.cse198 (= .cse98 0)) (.cse107 (+ .cse104 (- 4294967296) .cse207)) (.cse105 (+ .cse104 .cse207)) (.cse8 (<= (+ .cse104 (- 2147483647) .cse207) 0)) (.cse128 (+ .cse206 .cse125 (- 4294967296))) (.cse127 (+ .cse206 .cse125)) (.cse54 (<= (+ .cse206 .cse125 (- 2147483647)) 0)) (.cse196 (= .cse129 0)) (.cse195 (<= (+ (* .cse123 4294967296) (* (- 1) |c_ULTIMATE.start_main_~y~0#1|)) 0)) (.cse132 (+ .cse129 .cse205)) (.cse49 (<= (+ .cse129 (- 2147483647) .cse205) 0)) (.cse130 (+ .cse129 (- 4294967296) .cse205)) (.cse62 (<= (+ (- 2147483647) .cse204 .cse155) 0)) (.cse158 (+ .cse204 .cse155)) (.cse156 (+ .cse204 (- 4294967296) .cse155)) (.cse193 (= .cse155 0)) (.cse194 (<= (+ (* .cse149 4294967296) (* (- 1) .cse151)) 0)) (.cse153 (+ .cse203 .cse150 (- 4294967296))) (.cse66 (<= (+ .cse203 .cse150 (- 2147483647)) 0)) (.cse154 (+ .cse203 .cse150)) (.cse180 (+ .cse174 .cse202)) (.cse73 (<= (+ .cse174 .cse202 (- 2147483647)) 0)) (.cse177 (+ .cse174 .cse202 (- 4294967296))) (.cse192 (= .cse174 0)) (.cse191 (<= (+ (* .cse176 4294967296) (* (- 1) .cse178)) 0)) (.cse78 (<= (+ .cse181 .cse201 (- 2147483647)) 0)) (.cse184 (+ .cse181 .cse201)) (.cse183 (+ .cse181 .cse201 (- 4294967296))) (.cse189 (<= (+ (* .cse36 4294967296) (* (- 1) .cse40)) 0)) (.cse190 (= .cse42 0)) (.cse45 (+ .cse200 .cse42)) (.cse29 (<= (+ .cse200 .cse42 (- 2147483647)) 0)) (.cse43 (+ .cse200 .cse42 (- 4294967296))) (.cse18 (<= (+ .cse35 .cse199 (- 2147483647)) 0)) (.cse38 (+ .cse35 .cse199)) (.cse41 (+ .cse35 .cse199 (- 4294967296)))) (let ((.cse186 (= .cse41 0)) (.cse185 (= .cse38 0)) (.cse13 (not .cse18)) (.cse187 (= .cse43 0)) (.cse27 (not .cse29)) (.cse188 (= .cse45 0)) (.cse12 (not .cse190)) (.cse23 (not .cse189)) (.cse77 (= .cse183 0)) (.cse79 (= .cse184 0)) (.cse76 (not .cse78)) (.cse75 (not .cse191)) (.cse80 (not .cse192)) (.cse71 (= 0 .cse177)) (.cse70 (not .cse73)) (.cse72 (= .cse180 0)) (.cse65 (= 0 .cse154)) (.cse64 (not .cse66)) (.cse63 (= .cse153 0)) (.cse67 (not .cse194)) (.cse68 (not .cse193)) (.cse60 (= .cse156 0)) (.cse61 (= 0 .cse158)) (.cse59 (not .cse62)) (.cse51 (= .cse130 0)) (.cse50 (not .cse49)) (.cse48 (= .cse132 0)) (.cse52 (not .cse195)) (.cse53 (not .cse196)) (.cse56 (not .cse54)) (.cse55 (= .cse127 0)) (.cse57 (= .cse128 0)) (.cse7 (not .cse8)) (.cse9 (= .cse105 0)) (.cse6 (= .cse107 0)) (.cse5 (not .cse198)) (.cse10 (not .cse197)) (.cse2 (= .cse102 0)) (.cse1 (not .cse3)) (.cse0 (= .cse103 0))) (let ((.cse11 (and (or .cse197 (and (or .cse7 (not .cse9)) (or .cse8 (not .cse6))) .cse198) (or (and .cse5 .cse10) (and (or (not .cse2) .cse1) (or (not .cse0) .cse3))))) (.cse4 (or .cse197 .cse198)) (.cse47 (or .cse195 .cse196)) (.cse46 (and (or (and (or (not .cse51) .cse49) (or .cse50 (not .cse48))) (and .cse52 .cse53)) (or .cse195 (and (or .cse56 (not .cse55)) (or .cse54 (not .cse57))) .cse196))) (.cse69 (and (or (and (or (not .cse65) .cse64) (or (not .cse63) .cse66)) .cse193 .cse194) (or (and .cse67 .cse68) (and (or (not .cse60) .cse62) (or (not .cse61) .cse59))))) (.cse58 (or .cse193 .cse194)) (.cse81 (and (or .cse191 .cse192 (and (or (not .cse77) .cse78) (or (not .cse79) .cse76))) (or (and .cse75 .cse80) (and (or .cse73 (not .cse71)) (or .cse70 (not .cse72)))))) (.cse74 (or .cse191 .cse192)) (.cse32 (and (or .cse189 (and (or (not .cse186) .cse18) (or (not .cse185) .cse13)) .cse190) (or (and (or (not .cse187) .cse29) (or .cse27 (not .cse188))) (and .cse12 .cse23)))) (.cse31 (or .cse189 .cse190))) (and (or (and (or (and .cse0 .cse1) (and .cse2 .cse3)) .cse4) (and .cse5 (or (and .cse6 .cse7) (and .cse8 .cse9)) .cse10) .cse11) (let ((.cse28 (* 4294967296 .cse45)) (.cse24 (* .cse44 6148914689804861440)) (.cse25 (* 4294967296 .cse43)) (.cse30 (* .cse42 4294967296)) (.cse16 (* .cse41 4294967296)) (.cse14 (* .cse40 2863311531)) (.cse15 (* .cse39 6148914689804861440)) (.cse19 (* .cse38 4294967296)) (.cse20 (* .cse37 8589934592)) (.cse21 (* 12297829383904690176 .cse36)) (.cse22 (* .cse35 4294967296))) (or (and .cse12 (let ((.cse17 (+ .cse20 .cse21 (- 1431655744) .cse22))) (or (and .cse13 (<= (+ .cse14 .cse15 .cse16) .cse17)) (and .cse18 (<= (+ .cse14 .cse15 .cse19) .cse17)))) .cse23) (and (let ((.cse26 (+ .cse30 .cse20 .cse21 (- 1431655744)))) (or (and (<= (+ .cse14 .cse24 .cse25) .cse26) .cse27) (and (<= (+ .cse14 .cse24 .cse28) .cse26) .cse29))) .cse31) .cse32 (and (let ((.cse33 (+ .cse30 .cse20 .cse21))) (or (and (<= .cse33 (+ .cse14 (- 2863311552) .cse24 .cse28)) .cse29) (and .cse27 (<= .cse33 (+ .cse14 (- 2863311552) .cse24 .cse25))))) .cse31) (and .cse12 (let ((.cse34 (+ .cse20 .cse21 .cse22))) (or (and (<= .cse34 (+ .cse14 (- 2863311552) .cse15 .cse16)) .cse13) (and .cse18 (<= .cse34 (+ .cse14 (- 2863311552) .cse15 .cse19))))) .cse23))) (or .cse46 (and .cse47 (or (and .cse48 .cse49) (and .cse50 .cse51))) (and .cse52 .cse53 (or (and .cse54 .cse55) (and .cse56 .cse57)))) (or (and .cse58 (or (and .cse59 .cse60) (and .cse61 .cse62))) (and (or (and .cse63 .cse64) (and .cse65 .cse66)) .cse67 .cse68) .cse69) (or (and (or (and .cse70 .cse71) (and .cse72 .cse73)) .cse74) (and .cse75 (or (and .cse76 .cse77) (and .cse78 .cse79)) .cse80) .cse81) (let ((.cse85 (* 4294967296 .cse107)) (.cse84 (* .cse106 6148914689804861440)) (.cse86 (* .cse105 4294967296)) (.cse89 (* .cse104 4294967296)) (.cse93 (* .cse103 4294967296)) (.cse90 (* .cse102 4294967296)) (.cse83 (* 2863311531 .cse101)) (.cse91 (* .cse100 6148914689804861440)) (.cse87 (* 12297829383904690176 .cse99)) (.cse94 (* .cse98 4294967296)) (.cse88 (* .cse97 8589934592))) (or (and (let ((.cse82 (+ .cse87 .cse88 .cse89))) (or (and .cse7 (<= .cse82 (+ (- 2863311552) .cse83 .cse84 .cse85))) (and .cse8 (<= .cse82 (+ (- 2863311552) .cse83 .cse84 .cse86))))) .cse5 .cse10) .cse11 (and (let ((.cse92 (+ .cse87 .cse94 (- 1431655744) .cse88))) (or (and (<= (+ .cse90 .cse83 .cse91) .cse92) .cse3) (and (<= (+ .cse83 .cse91 .cse93) .cse92) .cse1))) .cse4) (and .cse5 .cse10 (let ((.cse95 (+ .cse87 (- 1431655744) .cse88 .cse89))) (or (and .cse7 (<= (+ .cse83 .cse84 .cse85) .cse95)) (and .cse8 (<= (+ .cse83 .cse84 .cse86) .cse95))))) (and (let ((.cse96 (+ .cse87 .cse94 .cse88))) (or (and (<= .cse96 (+ (- 2863311552) .cse83 .cse91 .cse93)) .cse1) (and (<= .cse96 (+ (- 2863311552) .cse90 .cse83 .cse91)) .cse3))) .cse4))) (let ((.cse110 (* .cse132 4294967296)) (.cse109 (* .cse131 6148914689804861440)) (.cse112 (* .cse130 4294967296)) (.cse113 (* .cse129 4294967296)) (.cse120 (* .cse128 4294967296)) (.cse117 (* .cse127 4294967296)) (.cse118 (* .cse126 6148914689804861440)) (.cse111 (* |c_ULTIMATE.start_main_~y~0#1| 2863311531)) (.cse121 (* .cse125 4294967296)) (.cse114 (* .cse124 8589934592)) (.cse115 (* 12297829383904690176 .cse123))) (or (and (let ((.cse108 (+ .cse113 .cse114 .cse115))) (or (and .cse49 (<= .cse108 (+ .cse109 (- 2863311552) .cse110 .cse111))) (and (<= .cse108 (+ .cse109 (- 2863311552) .cse112 .cse111)) .cse50))) .cse47) (and (let ((.cse116 (+ .cse113 .cse114 (- 1431655744) .cse115))) (or (and .cse49 (<= (+ .cse109 .cse110 .cse111) .cse116)) (and (<= (+ .cse109 .cse112 .cse111) .cse116) .cse50))) .cse47) .cse46 (and .cse52 .cse53 (let ((.cse119 (+ .cse121 .cse114 (- 1431655744) .cse115))) (or (and .cse54 (<= (+ .cse117 .cse118 .cse111) .cse119)) (and (<= (+ .cse120 .cse118 .cse111) .cse119) .cse56)))) (and .cse52 (let ((.cse122 (+ .cse121 .cse114 .cse115))) (or (and .cse56 (<= .cse122 (+ (- 2863311552) .cse120 .cse118 .cse111))) (and .cse54 (<= .cse122 (+ (- 2863311552) .cse117 .cse118 .cse111))))) .cse53))) (let ((.cse144 (* 4294967296 .cse158)) (.cse142 (* 6148914689804861440 .cse157)) (.cse143 (* .cse156 4294967296)) (.cse145 (* 4294967296 .cse155)) (.cse134 (* 4294967296 .cse154)) (.cse137 (* .cse153 4294967296)) (.cse135 (* .cse152 6148914689804861440)) (.cse136 (* 2863311531 .cse151)) (.cse138 (* .cse150 4294967296)) (.cse139 (* 12297829383904690176 .cse149)) (.cse140 (* .cse148 8589934592))) (or (and (let ((.cse133 (+ .cse138 .cse139 .cse140))) (or (and .cse66 (<= .cse133 (+ (- 2863311552) .cse134 .cse135 .cse136))) (and .cse64 (<= .cse133 (+ (- 2863311552) .cse137 .cse135 .cse136))))) .cse67 .cse68) .cse69 (and (let ((.cse141 (+ .cse139 .cse145 .cse140))) (or (and .cse59 (<= .cse141 (+ (- 2863311552) .cse142 .cse143 .cse136))) (and (<= .cse141 (+ (- 2863311552) .cse142 .cse144 .cse136)) .cse62))) .cse58) (and .cse58 (let ((.cse146 (+ .cse139 .cse145 (- 1431655744) .cse140))) (or (and (<= (+ .cse142 .cse144 .cse136) .cse146) .cse62) (and (<= (+ .cse142 .cse143 .cse136) .cse146) .cse59)))) (and (let ((.cse147 (+ .cse138 .cse139 (- 1431655744) .cse140))) (or (and (<= (+ .cse134 .cse135 .cse136) .cse147) .cse66) (and (<= (+ .cse137 .cse135 .cse136) .cse147) .cse64))) .cse67 .cse68))) (let ((.cse162 (* .cse184 4294967296)) (.cse163 (* .cse183 4294967296)) (.cse161 (* .cse182 6148914689804861440)) (.cse166 (* .cse181 4294967296)) (.cse170 (* .cse180 4294967296)) (.cse167 (* .cse179 6148914689804861440)) (.cse160 (* 2863311531 .cse178)) (.cse168 (* 4294967296 .cse177)) (.cse164 (* .cse176 12297829383904690176)) (.cse165 (* 8589934592 .cse175)) (.cse171 (* .cse174 4294967296))) (or (and .cse75 (let ((.cse159 (+ .cse164 .cse165 .cse166))) (or (and (<= .cse159 (+ (- 2863311552) .cse160 .cse161 .cse162)) .cse78) (and .cse76 (<= .cse159 (+ (- 2863311552) .cse160 .cse163 .cse161))))) .cse80) (and (let ((.cse169 (+ .cse164 .cse165 (- 1431655744) .cse171))) (or (and (<= (+ .cse167 .cse160 .cse168) .cse169) .cse70) (and (<= (+ .cse167 .cse160 .cse170) .cse169) .cse73))) .cse74) .cse81 (and (let ((.cse172 (+ .cse164 .cse165 .cse166 (- 1431655744)))) (or (and (<= (+ .cse160 .cse161 .cse162) .cse172) .cse78) (and .cse76 (<= (+ .cse160 .cse163 .cse161) .cse172)))) .cse75 .cse80) (and (let ((.cse173 (+ .cse164 .cse165 .cse171))) (or (and .cse73 (<= .cse173 (+ (- 2863311552) .cse167 .cse160 .cse170))) (and (<= .cse173 (+ (- 2863311552) .cse167 .cse160 .cse168)) .cse70))) .cse74))) (or (and (or (and .cse18 .cse185) (and .cse13 .cse186)) .cse12 .cse23) .cse32 (and (or (and .cse27 .cse187) (and .cse188 .cse29)) .cse31))))))))))))) is different from false [2023-02-17 01:05:22,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-02-17 01:05:24,405 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse264 (* |c_ULTIMATE.start_main_~y~0#1| 16)) (.cse265 (* |c_ULTIMATE.start_main_~y~0#1| 32)) (.cse190 (* |c_ULTIMATE.start_main_~y~0#1| 2)) (.cse268 (* |c_ULTIMATE.start_main_~y~0#1| 8)) (.cse272 (* |c_ULTIMATE.start_main_~y~0#1| 4))) (let ((.cse111 (div .cse272 4294967296)) (.cse135 (div |c_ULTIMATE.start_main_~y~0#1| 4294967296)) (.cse161 (div .cse268 4294967296)) (.cse188 (div .cse190 4294967296)) (.cse212 (div .cse265 4294967296)) (.cse48 (div .cse264 4294967296))) (let ((.cse261 (* .cse48 (- 4294967296))) (.cse113 (* .cse190 2)) (.cse260 (* (- 4294967296) .cse212)) (.cse258 (* .cse188 (- 4294967296))) (.cse255 (* .cse161 (- 4294967296))) (.cse254 (* .cse135 (- 4294967296))) (.cse252 (* .cse111 (- 4294967296)))) (let ((.cse109 (div (+ .cse272 .cse252) 3)) (.cse136 (div (+ |c_ULTIMATE.start_main_~y~0#1| .cse254) 3)) (.cse160 (div (+ .cse255 .cse268) 3)) (.cse187 (div (+ .cse190 .cse258) 3)) (.cse213 (div (+ .cse260 .cse265) 3)) (.cse163 (* 2 .cse113)) (.cse49 (div (+ .cse261 .cse264) 3))) (let ((.cse262 (* .cse49 (- 3))) (.cse263 (* (- 1) .cse48)) (.cse52 (* 2 .cse163)) (.cse266 (* (- 1) .cse212)) (.cse259 (* .cse213 (- 3))) (.cse257 (* .cse187 (- 3))) (.cse267 (* (- 1) .cse188)) (.cse256 (* .cse160 (- 3))) (.cse269 (* (- 1) .cse161)) (.cse270 (* (- 1) .cse135)) (.cse253 (* .cse136 (- 3))) (.cse271 (* (- 1) .cse111)) (.cse251 (* .cse109 (- 3)))) (let ((.cse112 (+ .cse271 (div (+ .cse272 .cse251) 4294967296))) (.cse118 (+ .cse271 (div (+ .cse272 (- 3) .cse251) 4294967296))) (.cse138 (+ .cse270 (div (+ |c_ULTIMATE.start_main_~y~0#1| .cse253 (- 3)) 4294967296))) (.cse143 (+ (div (+ |c_ULTIMATE.start_main_~y~0#1| .cse253) 4294967296) .cse270)) (.cse169 (+ (div (+ .cse256 .cse268) 4294967296) .cse269)) (.cse164 (+ (div (+ .cse256 (- 3) .cse268) 4294967296) .cse269)) (.cse191 (+ (div (+ .cse257 .cse190) 4294967296) .cse267)) (.cse194 (+ (div (+ .cse257 .cse190 (- 3)) 4294967296) .cse267)) (.cse221 (+ .cse266 (div (+ .cse259 (- 3) .cse265) 4294967296))) (.cse216 (* .cse52 2)) (.cse215 (+ (div (+ .cse259 .cse265) 4294967296) .cse266)) (.cse56 (+ (div (+ .cse264 .cse262) 4294967296) .cse263)) (.cse51 (+ .cse263 (div (+ (- 3) .cse264 .cse262) 4294967296)))) (let ((.cse47 (+ .cse261 .cse52 (- 3) .cse262)) (.cse239 (* .cse51 (- 4294967296))) (.cse240 (* (- 4294967296) .cse56)) (.cse54 (+ .cse261 .cse52 .cse262)) (.cse241 (* .cse215 (- 4294967296))) (.cse214 (+ .cse259 .cse260 .cse216)) (.cse242 (* (- 4294967296) .cse221)) (.cse219 (+ .cse259 .cse260 (- 3) .cse216)) (.cse193 (+ .cse257 .cse190 (- 3) .cse258)) (.cse243 (* .cse194 (- 4294967296))) (.cse186 (+ .cse257 .cse190 .cse258)) (.cse244 (* .cse191 (- 4294967296))) (.cse245 (* .cse164 (- 4294967296))) (.cse162 (+ .cse255 .cse256 (- 3) .cse163)) (.cse246 (* (- 4294967296) .cse169)) (.cse167 (+ .cse255 .cse256 .cse163)) (.cse247 (* .cse143 (- 4294967296))) (.cse141 (+ |c_ULTIMATE.start_main_~y~0#1| .cse253 .cse254)) (.cse248 (* .cse138 (- 4294967296))) (.cse137 (+ |c_ULTIMATE.start_main_~y~0#1| .cse253 (- 3) .cse254)) (.cse116 (+ (- 3) .cse113 .cse251 .cse252)) (.cse249 (* .cse118 (- 4294967296))) (.cse110 (+ .cse113 .cse251 .cse252)) (.cse250 (* (- 4294967296) .cse112))) (let ((.cse115 (+ .cse110 .cse250 (- 4294967296))) (.cse3 (<= (+ (- 2147483647) .cse110 .cse250) 0)) (.cse114 (+ .cse110 .cse250)) (.cse237 (<= (+ (* .cse111 4294967296) (* (- 1) .cse113)) 0)) (.cse238 (= .cse110 0)) (.cse119 (+ .cse116 (- 4294967296) .cse249)) (.cse117 (+ .cse116 .cse249)) (.cse8 (<= (+ .cse116 (- 2147483647) .cse249) 0)) (.cse140 (+ .cse248 .cse137 (- 4294967296))) (.cse139 (+ .cse248 .cse137)) (.cse66 (<= (+ .cse248 .cse137 (- 2147483647)) 0)) (.cse236 (= .cse141 0)) (.cse235 (<= (+ (* .cse135 4294967296) (* (- 1) |c_ULTIMATE.start_main_~y~0#1|)) 0)) (.cse144 (+ .cse141 .cse247)) (.cse61 (<= (+ .cse141 (- 2147483647) .cse247) 0)) (.cse142 (+ .cse141 (- 4294967296) .cse247)) (.cse74 (<= (+ (- 2147483647) .cse246 .cse167) 0)) (.cse170 (+ .cse246 .cse167)) (.cse168 (+ .cse246 (- 4294967296) .cse167)) (.cse233 (= .cse167 0)) (.cse234 (<= (+ (* .cse161 4294967296) (* (- 1) .cse163)) 0)) (.cse165 (+ .cse245 .cse162 (- 4294967296))) (.cse78 (<= (+ .cse245 .cse162 (- 2147483647)) 0)) (.cse166 (+ .cse245 .cse162)) (.cse192 (+ .cse186 .cse244)) (.cse85 (<= (+ .cse186 .cse244 (- 2147483647)) 0)) (.cse189 (+ .cse186 .cse244 (- 4294967296))) (.cse232 (= .cse186 0)) (.cse231 (<= (+ (* .cse188 4294967296) (* (- 1) .cse190)) 0)) (.cse90 (<= (+ .cse193 .cse243 (- 2147483647)) 0)) (.cse196 (+ .cse193 .cse243)) (.cse195 (+ .cse193 .cse243 (- 4294967296))) (.cse222 (+ .cse242 .cse219 (- 4294967296))) (.cse220 (+ .cse242 .cse219)) (.cse18 (<= (+ .cse242 .cse219 (- 2147483647)) 0)) (.cse230 (<= (+ (* 4294967296 .cse212) (* (- 1) .cse216)) 0)) (.cse229 (= .cse214 0)) (.cse217 (+ .cse214 .cse241 (- 4294967296))) (.cse15 (<= (+ .cse214 (- 2147483647) .cse241) 0)) (.cse218 (+ .cse214 .cse241)) (.cse227 (<= (+ (* .cse48 4294967296) (* (- 1) .cse52)) 0)) (.cse228 (= .cse54 0)) (.cse57 (+ .cse240 .cse54)) (.cse41 (<= (+ .cse240 .cse54 (- 2147483647)) 0)) (.cse55 (+ .cse240 .cse54 (- 4294967296))) (.cse30 (<= (+ .cse47 .cse239 (- 2147483647)) 0)) (.cse50 (+ .cse47 .cse239)) (.cse53 (+ .cse47 .cse239 (- 4294967296)))) (let ((.cse224 (= .cse53 0)) (.cse223 (= .cse50 0)) (.cse25 (not .cse30)) (.cse225 (= .cse55 0)) (.cse39 (not .cse41)) (.cse226 (= .cse57 0)) (.cse24 (not .cse228)) (.cse35 (not .cse227)) (.cse14 (= .cse218 0)) (.cse17 (not .cse15)) (.cse16 (= .cse217 0)) (.cse22 (not .cse229)) (.cse23 (not .cse230)) (.cse21 (not .cse18)) (.cse19 (= .cse220 0)) (.cse20 (= 0 .cse222)) (.cse89 (= .cse195 0)) (.cse91 (= .cse196 0)) (.cse88 (not .cse90)) (.cse87 (not .cse231)) (.cse92 (not .cse232)) (.cse83 (= 0 .cse189)) (.cse82 (not .cse85)) (.cse84 (= .cse192 0)) (.cse77 (= 0 .cse166)) (.cse76 (not .cse78)) (.cse75 (= .cse165 0)) (.cse79 (not .cse234)) (.cse80 (not .cse233)) (.cse72 (= .cse168 0)) (.cse73 (= 0 .cse170)) (.cse71 (not .cse74)) (.cse63 (= .cse142 0)) (.cse62 (not .cse61)) (.cse60 (= .cse144 0)) (.cse64 (not .cse235)) (.cse65 (not .cse236)) (.cse68 (not .cse66)) (.cse67 (= .cse139 0)) (.cse69 (= .cse140 0)) (.cse7 (not .cse8)) (.cse9 (= .cse117 0)) (.cse6 (= .cse119 0)) (.cse5 (not .cse238)) (.cse10 (not .cse237)) (.cse2 (= .cse114 0)) (.cse1 (not .cse3)) (.cse0 (= .cse115 0))) (let ((.cse11 (and (or .cse237 (and (or .cse7 (not .cse9)) (or .cse8 (not .cse6))) .cse238) (or (and .cse5 .cse10) (and (or (not .cse2) .cse1) (or (not .cse0) .cse3))))) (.cse4 (or .cse237 .cse238)) (.cse59 (or .cse235 .cse236)) (.cse58 (and (or (and (or (not .cse63) .cse61) (or .cse62 (not .cse60))) (and .cse64 .cse65)) (or .cse235 (and (or .cse68 (not .cse67)) (or .cse66 (not .cse69))) .cse236))) (.cse81 (and (or (and (or (not .cse77) .cse76) (or (not .cse75) .cse78)) .cse233 .cse234) (or (and .cse79 .cse80) (and (or (not .cse72) .cse74) (or (not .cse73) .cse71))))) (.cse70 (or .cse233 .cse234)) (.cse93 (and (or .cse231 .cse232 (and (or (not .cse89) .cse90) (or (not .cse91) .cse88))) (or (and .cse87 .cse92) (and (or .cse85 (not .cse83)) (or .cse82 (not .cse84)))))) (.cse86 (or .cse231 .cse232)) (.cse12 (and (or (and (or (not .cse14) .cse17) (or (not .cse16) .cse15)) (and .cse22 .cse23)) (or .cse229 .cse230 (and (or .cse21 (not .cse19)) (or (not .cse20) .cse18))))) (.cse13 (or .cse229 .cse230)) (.cse44 (and (or .cse227 (and (or (not .cse224) .cse30) (or (not .cse223) .cse25)) .cse228) (or (and (or (not .cse225) .cse41) (or .cse39 (not .cse226))) (and .cse24 .cse35)))) (.cse43 (or .cse227 .cse228))) (and (or (and (or (and .cse0 .cse1) (and .cse2 .cse3)) .cse4) (and .cse5 (or (and .cse6 .cse7) (and .cse8 .cse9)) .cse10) .cse11) (or .cse12 (and .cse13 (or (and .cse14 .cse15) (and .cse16 .cse17))) (and (or (and .cse18 .cse19) (and .cse20 .cse21)) .cse22 .cse23)) (let ((.cse40 (* 4294967296 .cse57)) (.cse36 (* .cse56 6148914689804861440)) (.cse37 (* 4294967296 .cse55)) (.cse42 (* .cse54 4294967296)) (.cse28 (* .cse53 4294967296)) (.cse26 (* .cse52 2863311531)) (.cse27 (* .cse51 6148914689804861440)) (.cse31 (* .cse50 4294967296)) (.cse32 (* .cse49 8589934592)) (.cse33 (* 12297829383904690176 .cse48)) (.cse34 (* .cse47 4294967296))) (or (and .cse24 (let ((.cse29 (+ .cse32 .cse33 (- 1431655744) .cse34))) (or (and .cse25 (<= (+ .cse26 .cse27 .cse28) .cse29)) (and .cse30 (<= (+ .cse26 .cse27 .cse31) .cse29)))) .cse35) (and (let ((.cse38 (+ .cse42 .cse32 .cse33 (- 1431655744)))) (or (and (<= (+ .cse26 .cse36 .cse37) .cse38) .cse39) (and (<= (+ .cse26 .cse36 .cse40) .cse38) .cse41))) .cse43) .cse44 (and (let ((.cse45 (+ .cse42 .cse32 .cse33))) (or (and (<= .cse45 (+ .cse26 (- 2863311552) .cse36 .cse40)) .cse41) (and .cse39 (<= .cse45 (+ .cse26 (- 2863311552) .cse36 .cse37))))) .cse43) (and .cse24 (let ((.cse46 (+ .cse32 .cse33 .cse34))) (or (and (<= .cse46 (+ .cse26 (- 2863311552) .cse27 .cse28)) .cse25) (and .cse30 (<= .cse46 (+ .cse26 (- 2863311552) .cse27 .cse31))))) .cse35))) (or .cse58 (and .cse59 (or (and .cse60 .cse61) (and .cse62 .cse63))) (and .cse64 .cse65 (or (and .cse66 .cse67) (and .cse68 .cse69)))) (or (and .cse70 (or (and .cse71 .cse72) (and .cse73 .cse74))) (and (or (and .cse75 .cse76) (and .cse77 .cse78)) .cse79 .cse80) .cse81) (or (and (or (and .cse82 .cse83) (and .cse84 .cse85)) .cse86) (and .cse87 (or (and .cse88 .cse89) (and .cse90 .cse91)) .cse92) .cse93) (let ((.cse97 (* 4294967296 .cse119)) (.cse96 (* .cse118 6148914689804861440)) (.cse98 (* .cse117 4294967296)) (.cse101 (* .cse116 4294967296)) (.cse105 (* .cse115 4294967296)) (.cse102 (* .cse114 4294967296)) (.cse95 (* 2863311531 .cse113)) (.cse103 (* .cse112 6148914689804861440)) (.cse99 (* 12297829383904690176 .cse111)) (.cse106 (* .cse110 4294967296)) (.cse100 (* .cse109 8589934592))) (or (and (let ((.cse94 (+ .cse99 .cse100 .cse101))) (or (and .cse7 (<= .cse94 (+ (- 2863311552) .cse95 .cse96 .cse97))) (and .cse8 (<= .cse94 (+ (- 2863311552) .cse95 .cse96 .cse98))))) .cse5 .cse10) .cse11 (and (let ((.cse104 (+ .cse99 .cse106 (- 1431655744) .cse100))) (or (and (<= (+ .cse102 .cse95 .cse103) .cse104) .cse3) (and (<= (+ .cse95 .cse103 .cse105) .cse104) .cse1))) .cse4) (and .cse5 .cse10 (let ((.cse107 (+ .cse99 (- 1431655744) .cse100 .cse101))) (or (and .cse7 (<= (+ .cse95 .cse96 .cse97) .cse107)) (and .cse8 (<= (+ .cse95 .cse96 .cse98) .cse107))))) (and (let ((.cse108 (+ .cse99 .cse106 .cse100))) (or (and (<= .cse108 (+ (- 2863311552) .cse95 .cse103 .cse105)) .cse1) (and (<= .cse108 (+ (- 2863311552) .cse102 .cse95 .cse103)) .cse3))) .cse4))) (let ((.cse122 (* .cse144 4294967296)) (.cse121 (* .cse143 6148914689804861440)) (.cse124 (* .cse142 4294967296)) (.cse125 (* .cse141 4294967296)) (.cse132 (* .cse140 4294967296)) (.cse129 (* .cse139 4294967296)) (.cse130 (* .cse138 6148914689804861440)) (.cse123 (* |c_ULTIMATE.start_main_~y~0#1| 2863311531)) (.cse133 (* .cse137 4294967296)) (.cse126 (* .cse136 8589934592)) (.cse127 (* 12297829383904690176 .cse135))) (or (and (let ((.cse120 (+ .cse125 .cse126 .cse127))) (or (and .cse61 (<= .cse120 (+ .cse121 (- 2863311552) .cse122 .cse123))) (and (<= .cse120 (+ .cse121 (- 2863311552) .cse124 .cse123)) .cse62))) .cse59) (and (let ((.cse128 (+ .cse125 .cse126 (- 1431655744) .cse127))) (or (and .cse61 (<= (+ .cse121 .cse122 .cse123) .cse128)) (and (<= (+ .cse121 .cse124 .cse123) .cse128) .cse62))) .cse59) .cse58 (and .cse64 .cse65 (let ((.cse131 (+ .cse133 .cse126 (- 1431655744) .cse127))) (or (and .cse66 (<= (+ .cse129 .cse130 .cse123) .cse131)) (and (<= (+ .cse132 .cse130 .cse123) .cse131) .cse68)))) (and .cse64 (let ((.cse134 (+ .cse133 .cse126 .cse127))) (or (and .cse68 (<= .cse134 (+ (- 2863311552) .cse132 .cse130 .cse123))) (and .cse66 (<= .cse134 (+ (- 2863311552) .cse129 .cse130 .cse123))))) .cse65))) (not (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) (let ((.cse156 (* 4294967296 .cse170)) (.cse154 (* 6148914689804861440 .cse169)) (.cse155 (* .cse168 4294967296)) (.cse157 (* 4294967296 .cse167)) (.cse146 (* 4294967296 .cse166)) (.cse149 (* .cse165 4294967296)) (.cse147 (* .cse164 6148914689804861440)) (.cse148 (* 2863311531 .cse163)) (.cse150 (* .cse162 4294967296)) (.cse151 (* 12297829383904690176 .cse161)) (.cse152 (* .cse160 8589934592))) (or (and (let ((.cse145 (+ .cse150 .cse151 .cse152))) (or (and .cse78 (<= .cse145 (+ (- 2863311552) .cse146 .cse147 .cse148))) (and .cse76 (<= .cse145 (+ (- 2863311552) .cse149 .cse147 .cse148))))) .cse79 .cse80) .cse81 (and (let ((.cse153 (+ .cse151 .cse157 .cse152))) (or (and .cse71 (<= .cse153 (+ (- 2863311552) .cse154 .cse155 .cse148))) (and (<= .cse153 (+ (- 2863311552) .cse154 .cse156 .cse148)) .cse74))) .cse70) (and .cse70 (let ((.cse158 (+ .cse151 .cse157 (- 1431655744) .cse152))) (or (and (<= (+ .cse154 .cse156 .cse148) .cse158) .cse74) (and (<= (+ .cse154 .cse155 .cse148) .cse158) .cse71)))) (and (let ((.cse159 (+ .cse150 .cse151 (- 1431655744) .cse152))) (or (and (<= (+ .cse146 .cse147 .cse148) .cse159) .cse78) (and (<= (+ .cse149 .cse147 .cse148) .cse159) .cse76))) .cse79 .cse80))) (let ((.cse174 (* .cse196 4294967296)) (.cse175 (* .cse195 4294967296)) (.cse173 (* .cse194 6148914689804861440)) (.cse178 (* .cse193 4294967296)) (.cse182 (* .cse192 4294967296)) (.cse179 (* .cse191 6148914689804861440)) (.cse172 (* 2863311531 .cse190)) (.cse180 (* 4294967296 .cse189)) (.cse176 (* .cse188 12297829383904690176)) (.cse177 (* 8589934592 .cse187)) (.cse183 (* .cse186 4294967296))) (or (and .cse87 (let ((.cse171 (+ .cse176 .cse177 .cse178))) (or (and (<= .cse171 (+ (- 2863311552) .cse172 .cse173 .cse174)) .cse90) (and .cse88 (<= .cse171 (+ (- 2863311552) .cse172 .cse175 .cse173))))) .cse92) (and (let ((.cse181 (+ .cse176 .cse177 (- 1431655744) .cse183))) (or (and (<= (+ .cse179 .cse172 .cse180) .cse181) .cse82) (and (<= (+ .cse179 .cse172 .cse182) .cse181) .cse85))) .cse86) .cse93 (and (let ((.cse184 (+ .cse176 .cse177 .cse178 (- 1431655744)))) (or (and (<= (+ .cse172 .cse173 .cse174) .cse184) .cse90) (and .cse88 (<= (+ .cse172 .cse175 .cse173) .cse184)))) .cse87 .cse92) (and (let ((.cse185 (+ .cse176 .cse177 .cse183))) (or (and .cse85 (<= .cse185 (+ (- 2863311552) .cse179 .cse172 .cse182))) (and (<= .cse185 (+ (- 2863311552) .cse179 .cse172 .cse180)) .cse82))) .cse86))) (let ((.cse208 (* 4294967296 .cse222)) (.cse205 (* .cse221 6148914689804861440)) (.cse206 (* 4294967296 .cse220)) (.cse209 (* .cse219 4294967296)) (.cse198 (* .cse218 4294967296)) (.cse201 (* .cse217 4294967296)) (.cse199 (* 2863311531 .cse216)) (.cse200 (* .cse215 6148914689804861440)) (.cse202 (* .cse214 4294967296)) (.cse203 (* 8589934592 .cse213)) (.cse204 (* 12297829383904690176 .cse212))) (or (and .cse13 (let ((.cse197 (+ .cse202 .cse203 .cse204))) (or (and .cse15 (<= .cse197 (+ (- 2863311552) .cse198 .cse199 .cse200))) (and .cse17 (<= .cse197 (+ .cse201 (- 2863311552) .cse199 .cse200)))))) .cse12 (and (let ((.cse207 (+ .cse209 (- 1431655744) .cse203 .cse204))) (or (and .cse18 (<= (+ .cse199 .cse205 .cse206) .cse207)) (and .cse21 (<= (+ .cse199 .cse208 .cse205) .cse207)))) .cse22 .cse23) (and .cse22 (let ((.cse210 (+ .cse209 .cse203 .cse204))) (or (and (<= .cse210 (+ (- 2863311552) .cse199 .cse208 .cse205)) .cse21) (and (<= .cse210 (+ (- 2863311552) .cse199 .cse205 .cse206)) .cse18))) .cse23) (and .cse13 (let ((.cse211 (+ .cse202 (- 1431655744) .cse203 .cse204))) (or (and .cse15 (<= (+ .cse198 .cse199 .cse200) .cse211)) (and (<= (+ .cse201 .cse199 .cse200) .cse211) .cse17)))))) (or (and (or (and .cse30 .cse223) (and .cse25 .cse224)) .cse24 .cse35) .cse44 (and (or (and .cse39 .cse225) (and .cse226 .cse41)) .cse43))))))))))))) is different from false [2023-02-17 01:05:35,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-02-17 01:05:49,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 01:05:49,394 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2023-02-17 01:05:49,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-02-17 01:05:49,395 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 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 12 [2023-02-17 01:05:49,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 01:05:49,395 INFO L225 Difference]: With dead ends: 37 [2023-02-17 01:05:49,395 INFO L226 Difference]: Without dead ends: 21 [2023-02-17 01:05:49,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 82.6s TimeCoverageRelationStatistics Valid=275, Invalid=837, Unknown=18, NotChecked=130, Total=1260 [2023-02-17 01:05:49,396 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 45 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 2 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2023-02-17 01:05:49,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 59 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 7 Unknown, 2 Unchecked, 18.4s Time] [2023-02-17 01:05:49,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-02-17 01:05:49,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-02-17 01:05:49,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.05) internal successors, (21), 20 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) [2023-02-17 01:05:49,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2023-02-17 01:05:49,421 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 12 [2023-02-17 01:05:49,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 01:05:49,422 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2023-02-17 01:05:49,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 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) [2023-02-17 01:05:49,422 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2023-02-17 01:05:49,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-02-17 01:05:49,423 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 01:05:49,423 INFO L195 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1] [2023-02-17 01:05:49,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-17 01:05:49,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 01:05:49,629 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 01:05:49,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 01:05:49,629 INFO L85 PathProgramCache]: Analyzing trace with hash 2078182539, now seen corresponding path program 4 times [2023-02-17 01:05:49,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 01:05:49,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841440456] [2023-02-17 01:05:49,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 01:05:49,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 01:05:49,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 01:05:49,746 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 56 proven. 21 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-02-17 01:05:49,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 01:05:49,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841440456] [2023-02-17 01:05:49,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841440456] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 01:05:49,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188576778] [2023-02-17 01:05:49,747 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-17 01:05:49,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 01:05:49,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 01:05:49,749 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) [2023-02-17 01:05:49,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-17 01:05:49,798 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-17 01:05:49,798 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 01:05:49,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 19 conjunts are in the unsatisfiable core [2023-02-17 01:05:49,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 01:05:49,910 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 54 proven. 36 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-02-17 01:05:49,910 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 01:05:50,126 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 54 proven. 36 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-02-17 01:05:50,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188576778] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 01:05:50,126 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-17 01:05:50,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 11] total 21 [2023-02-17 01:05:50,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825383763] [2023-02-17 01:05:50,127 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-17 01:05:50,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-02-17 01:05:50,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 01:05:50,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-02-17 01:05:50,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2023-02-17 01:05:50,128 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 21 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 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) [2023-02-17 01:05:50,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 01:05:50,169 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2023-02-17 01:05:50,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-02-17 01:05:50,169 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 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 [2023-02-17 01:05:50,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 01:05:50,170 INFO L225 Difference]: With dead ends: 21 [2023-02-17 01:05:50,170 INFO L226 Difference]: Without dead ends: 0 [2023-02-17 01:05:50,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 6 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2023-02-17 01:05:50,171 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 01:05:50,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 01:05:50,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-17 01:05:50,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-17 01:05:50,172 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) [2023-02-17 01:05:50,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-17 01:05:50,172 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2023-02-17 01:05:50,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 01:05:50,172 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-17 01:05:50,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 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) [2023-02-17 01:05:50,172 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-17 01:05:50,172 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-17 01:05:50,175 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-17 01:05:50,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-17 01:05:50,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 01:05:50,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-17 01:05:50,381 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-17 01:05:50,382 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-17 01:05:50,382 INFO L899 garLoopResultBuilder]: For program point L7(line 7) no Hoare annotation was computed. [2023-02-17 01:05:50,382 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-17 01:05:50,382 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-17 01:05:50,382 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2023-02-17 01:05:50,384 INFO L895 garLoopResultBuilder]: At program point L16-2(lines 16 19) the Hoare annotation is: (let ((.cse5 (* 2 1))) (let ((.cse0 (* 2 .cse5))) (let ((.cse6 (* 2 .cse0))) (let ((.cse3 (* .cse6 2))) (let ((.cse4 (+ (- 1) |ULTIMATE.start_main_~x~0#1|)) (.cse2 (* 2 .cse3)) (.cse1 (< (mod |ULTIMATE.start_main_~x~0#1| 4294967296) 6))) (or (and (<= 0 (+ (- 2) |ULTIMATE.start_main_~x~0#1|)) (< (mod (+ |ULTIMATE.start_main_~x~0#1| 1) 4294967296) 6) (= |ULTIMATE.start_main_~y~0#1| .cse0) .cse1 (<= |ULTIMATE.start_main_~x~0#1| 2)) (and (<= |ULTIMATE.start_main_~x~0#1| 5) .cse1 (= .cse2 |ULTIMATE.start_main_~y~0#1|) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 5)))) (and (= |ULTIMATE.start_main_~y~0#1| .cse3) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| (- 4))) (<= |ULTIMATE.start_main_~x~0#1| 4) (<= .cse4 3) (<= 0 (+ (- 3) .cse4))) (and (<= 0 .cse4) (= .cse4 0) (<= |ULTIMATE.start_main_~x~0#1| 1) (= |ULTIMATE.start_main_~y~0#1| .cse5)) (and (<= 0 (+ (- 5) .cse4)) (<= .cse4 5) (= (* .cse2 2) |ULTIMATE.start_main_~y~0#1|)) (and (= .cse6 |ULTIMATE.start_main_~y~0#1|) .cse1 (<= 0 (+ (- 3) |ULTIMATE.start_main_~x~0#1|)) (<= |ULTIMATE.start_main_~x~0#1| 3)) (and (= (+ (- 1) |ULTIMATE.start_main_~y~0#1|) 0) (= |ULTIMATE.start_main_~x~0#1| 0)))))))) [2023-02-17 01:05:50,384 INFO L899 garLoopResultBuilder]: For program point L16-3(lines 16 19) no Hoare annotation was computed. [2023-02-17 01:05:50,384 INFO L899 garLoopResultBuilder]: For program point L12(lines 12 22) no Hoare annotation was computed. [2023-02-17 01:05:50,384 INFO L899 garLoopResultBuilder]: For program point L6(lines 6 8) no Hoare annotation was computed. [2023-02-17 01:05:50,384 INFO L902 garLoopResultBuilder]: At program point L6-2(lines 5 10) the Hoare annotation is: true [2023-02-17 01:05:50,389 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1] [2023-02-17 01:05:50,396 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-17 01:05:50,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.02 01:05:50 BoogieIcfgContainer [2023-02-17 01:05:50,418 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-17 01:05:50,418 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-17 01:05:50,418 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-17 01:05:50,418 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-17 01:05:50,419 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 01:04:05" (3/4) ... [2023-02-17 01:05:50,421 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-17 01:05:50,429 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-02-17 01:05:50,429 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-17 01:05:50,429 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-17 01:05:50,430 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-17 01:05:50,454 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-17 01:05:50,454 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-17 01:05:50,455 INFO L158 Benchmark]: Toolchain (without parser) took 105136.05ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 74.1MB in the beginning and 41.5MB in the end (delta: 32.5MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. [2023-02-17 01:05:50,455 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 01:05:50,455 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.93ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 64.4MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-17 01:05:50,455 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.10ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 62.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 01:05:50,456 INFO L158 Benchmark]: Boogie Preprocessor took 37.14ms. Allocated memory is still 117.4MB. Free memory was 62.7MB in the beginning and 61.9MB in the end (delta: 847.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 01:05:50,456 INFO L158 Benchmark]: RCFGBuilder took 237.85ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 52.7MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-17 01:05:50,456 INFO L158 Benchmark]: TraceAbstraction took 104588.68ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 51.8MB in the beginning and 43.6MB in the end (delta: 8.2MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2023-02-17 01:05:50,457 INFO L158 Benchmark]: Witness Printer took 36.03ms. Allocated memory is still 155.2MB. Free memory was 43.6MB in the beginning and 41.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 01:05:50,458 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.93ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 64.4MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.10ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 62.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.14ms. Allocated memory is still 117.4MB. Free memory was 62.7MB in the beginning and 61.9MB in the end (delta: 847.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 237.85ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 52.7MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 104588.68ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 51.8MB in the beginning and 43.6MB in the end (delta: 8.2MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Witness Printer took 36.03ms. Allocated memory is still 155.2MB. Free memory was 43.6MB in the beginning and 41.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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: 7]: 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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 104.5s, OverallIterations: 5, TraceHistogramMax: 14, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 78.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 18.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 135 SdHoareTripleChecker+Invalid, 18.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 2 IncrementalHoareTripleChecker+Unchecked, 106 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 237 IncrementalHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 29 mSDtfsCounter, 237 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 52 SyntacticMatches, 14 SemanticMatches, 71 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 83.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=4, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 10 NumberOfFragments, 168 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 24.7s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 36291 SizeOfPredicates, 5 NumberOfNonLiveVariables, 273 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 222/411 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: 5]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: (((((((((0 <= -2 + x && (x + 1) % 4294967296 < 6) && y == 2 * (2 * 1)) && x % 4294967296 < 6) && x <= 2) || (((x <= 5 && x % 4294967296 < 6) && 2 * (2 * (2 * (2 * 1)) * 2) == y) && 0 <= x + -5)) || ((((y == 2 * (2 * (2 * 1)) * 2 && 0 <= x + -4) && x <= 4) && -1 + x <= 3) && 0 <= -3 + (-1 + x))) || (((0 <= -1 + x && -1 + x == 0) && x <= 1) && y == 2 * 1)) || ((0 <= -5 + (-1 + x) && -1 + x <= 5) && 2 * (2 * (2 * (2 * 1)) * 2) * 2 == y)) || (((2 * (2 * (2 * 1)) == y && x % 4294967296 < 6) && 0 <= -3 + x) && x <= 3)) || (-1 + y == 0 && x == 0) RESULT: Ultimate proved your program to be correct! [2023-02-17 01:05:50,493 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