./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/terminator_03-2_abstracted.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a31fd051 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/loops/terminator_03-2_abstracted.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6058f5ec3c2ba6c53e071ef8083580d4ad0a0939226b820bf2614478b2fdefe3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-a31fd05 [2023-02-15 10:57:43,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 10:57:43,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 10:57:43,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 10:57:43,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 10:57:43,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 10:57:43,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 10:57:43,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 10:57:43,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 10:57:43,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 10:57:43,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 10:57:43,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 10:57:43,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 10:57:43,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 10:57:43,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 10:57:43,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 10:57:43,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 10:57:43,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 10:57:43,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 10:57:43,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 10:57:43,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 10:57:43,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 10:57:43,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 10:57:43,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 10:57:43,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 10:57:43,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 10:57:43,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 10:57:43,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 10:57:43,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 10:57:43,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 10:57:43,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 10:57:43,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 10:57:43,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 10:57:43,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 10:57:43,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 10:57:43,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 10:57:43,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 10:57:43,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 10:57:43,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 10:57:43,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 10:57:43,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 10:57:43,209 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-15 10:57:43,232 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 10:57:43,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 10:57:43,232 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 10:57:43,232 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 10:57:43,233 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 10:57:43,233 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 10:57:43,234 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 10:57:43,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 10:57:43,234 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 10:57:43,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 10:57:43,235 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 10:57:43,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 10:57:43,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 10:57:43,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 10:57:43,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 10:57:43,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 10:57:43,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 10:57:43,236 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 10:57:43,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 10:57:43,236 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 10:57:43,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 10:57:43,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 10:57:43,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 10:57:43,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 10:57:43,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 10:57:43,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 10:57:43,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 10:57:43,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 10:57:43,237 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 10:57:43,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 10:57:43,237 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 10:57:43,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 10:57:43,238 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 10:57:43,238 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 10:57:43,238 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 10:57:43,238 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6058f5ec3c2ba6c53e071ef8083580d4ad0a0939226b820bf2614478b2fdefe3 [2023-02-15 10:57:43,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 10:57:43,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 10:57:43,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 10:57:43,429 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 10:57:43,430 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 10:57:43,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/terminator_03-2_abstracted.i [2023-02-15 10:57:44,424 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 10:57:44,527 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 10:57:44,527 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/terminator_03-2_abstracted.i [2023-02-15 10:57:44,531 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71e3e3d39/c92ce38c37e44a30bd3e642b1885c5e9/FLAG2317a6c99 [2023-02-15 10:57:44,540 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71e3e3d39/c92ce38c37e44a30bd3e642b1885c5e9 [2023-02-15 10:57:44,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 10:57:44,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 10:57:44,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 10:57:44,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 10:57:44,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 10:57:44,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:57:44" (1/1) ... [2023-02-15 10:57:44,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34cf97af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:57:44, skipping insertion in model container [2023-02-15 10:57:44,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:57:44" (1/1) ... [2023-02-15 10:57:44,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 10:57:44,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 10:57:44,645 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/loops/terminator_03-2_abstracted.i[913,926] [2023-02-15 10:57:44,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 10:57:44,657 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 10:57:44,666 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/loops/terminator_03-2_abstracted.i[913,926] [2023-02-15 10:57:44,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 10:57:44,676 INFO L208 MainTranslator]: Completed translation [2023-02-15 10:57:44,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:57:44 WrapperNode [2023-02-15 10:57:44,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 10:57:44,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 10:57:44,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 10:57:44,677 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 10:57:44,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:57:44" (1/1) ... [2023-02-15 10:57:44,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:57:44" (1/1) ... [2023-02-15 10:57:44,696 INFO L138 Inliner]: procedures = 17, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2023-02-15 10:57:44,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 10:57:44,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 10:57:44,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 10:57:44,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 10:57:44,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:57:44" (1/1) ... [2023-02-15 10:57:44,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:57:44" (1/1) ... [2023-02-15 10:57:44,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:57:44" (1/1) ... [2023-02-15 10:57:44,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:57:44" (1/1) ... [2023-02-15 10:57:44,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:57:44" (1/1) ... [2023-02-15 10:57:44,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:57:44" (1/1) ... [2023-02-15 10:57:44,707 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:57:44" (1/1) ... [2023-02-15 10:57:44,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:57:44" (1/1) ... [2023-02-15 10:57:44,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 10:57:44,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 10:57:44,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 10:57:44,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 10:57:44,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:57:44" (1/1) ... [2023-02-15 10:57:44,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 10:57:44,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 10:57:44,750 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) [2023-02-15 10:57:44,765 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 [2023-02-15 10:57:44,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-15 10:57:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-15 10:57:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 10:57:44,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 10:57:44,826 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 10:57:44,827 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 10:57:44,934 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 10:57:44,938 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 10:57:44,942 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-15 10:57:44,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:57:44 BoogieIcfgContainer [2023-02-15 10:57:44,943 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 10:57:44,945 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 10:57:44,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 10:57:44,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 10:57:44,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 10:57:44" (1/3) ... [2023-02-15 10:57:44,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5211821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:57:44, skipping insertion in model container [2023-02-15 10:57:44,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:57:44" (2/3) ... [2023-02-15 10:57:44,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5211821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:57:44, skipping insertion in model container [2023-02-15 10:57:44,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:57:44" (3/3) ... [2023-02-15 10:57:44,950 INFO L112 eAbstractionObserver]: Analyzing ICFG terminator_03-2_abstracted.i [2023-02-15 10:57:44,962 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 10:57:44,962 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-15 10:57:45,011 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 10:57:45,016 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;@29e9ead4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 10:57:45,016 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-15 10:57:45,019 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 12 states have (on average 1.5) 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) [2023-02-15 10:57:45,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-15 10:57:45,024 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 10:57:45,025 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-15 10:57:45,026 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 10:57:45,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 10:57:45,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1807274184, now seen corresponding path program 1 times [2023-02-15 10:57:45,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 10:57:45,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888919913] [2023-02-15 10:57:45,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:57:45,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 10:57:45,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 10:57:45,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 10:57:45,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 10:57:45,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888919913] [2023-02-15 10:57:45,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888919913] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 10:57:45,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 10:57:45,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-15 10:57:45,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604688099] [2023-02-15 10:57:45,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 10:57:45,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 10:57:45,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 10:57:45,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 10:57:45,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 10:57:45,351 INFO L87 Difference]: Start difference. First operand has 14 states, 12 states have (on average 1.5) 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) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2023-02-15 10:57:45,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 10:57:45,430 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2023-02-15 10:57:45,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 10:57:45,435 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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 [2023-02-15 10:57:45,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 10:57:45,439 INFO L225 Difference]: With dead ends: 24 [2023-02-15 10:57:45,440 INFO L226 Difference]: Without dead ends: 0 [2023-02-15 10:57:45,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-15 10:57:45,445 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 9 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 10:57:45,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 28 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 10:57:45,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-15 10:57:45,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-15 10:57:45,477 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) [2023-02-15 10:57:45,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-15 10:57:45,478 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2023-02-15 10:57:45,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 10:57:45,479 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 10:57:45,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2023-02-15 10:57:45,480 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-15 10:57:45,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-15 10:57:45,482 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-15 10:57:45,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-15 10:57:45,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-15 10:57:45,500 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-15 10:57:45,501 INFO L899 garLoopResultBuilder]: For program point L29(lines 29 34) no Hoare annotation was computed. [2023-02-15 10:57:45,501 INFO L899 garLoopResultBuilder]: For program point L29-1(lines 29 34) no Hoare annotation was computed. [2023-02-15 10:57:45,501 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-02-15 10:57:45,501 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-15 10:57:45,501 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 25 37) the Hoare annotation is: true [2023-02-15 10:57:45,502 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-15 10:57:45,502 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 32) no Hoare annotation was computed. [2023-02-15 10:57:45,503 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-15 10:57:45,503 INFO L899 garLoopResultBuilder]: For program point L28(line 28) no Hoare annotation was computed. [2023-02-15 10:57:45,504 INFO L899 garLoopResultBuilder]: For program point L30-2(lines 29 34) no Hoare annotation was computed. [2023-02-15 10:57:45,504 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-02-15 10:57:45,504 INFO L899 garLoopResultBuilder]: For program point L18(lines 18 20) no Hoare annotation was computed. [2023-02-15 10:57:45,504 INFO L895 garLoopResultBuilder]: At program point L18-2(lines 17 22) the Hoare annotation is: (and (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) (or (<= 100 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 0))) [2023-02-15 10:57:45,507 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-02-15 10:57:45,509 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-15 10:57:45,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 10:57:45 BoogieIcfgContainer [2023-02-15 10:57:45,524 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-15 10:57:45,526 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 10:57:45,526 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 10:57:45,526 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 10:57:45,527 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:57:44" (3/4) ... [2023-02-15 10:57:45,530 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-15 10:57:45,537 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-02-15 10:57:45,538 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-02-15 10:57:45,538 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-15 10:57:45,538 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-15 10:57:45,573 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-15 10:57:45,573 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 10:57:45,573 INFO L158 Benchmark]: Toolchain (without parser) took 1030.32ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 98.4MB in the beginning and 149.1MB in the end (delta: -50.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 10:57:45,573 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 144.7MB. Free memory is still 116.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 10:57:45,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 132.91ms. Allocated memory is still 144.7MB. Free memory was 98.4MB in the beginning and 87.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-15 10:57:45,574 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.54ms. Allocated memory is still 144.7MB. Free memory was 87.9MB in the beginning and 86.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 10:57:45,574 INFO L158 Benchmark]: Boogie Preprocessor took 11.31ms. Allocated memory is still 144.7MB. Free memory was 86.4MB in the beginning and 85.8MB in the end (delta: 535.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 10:57:45,574 INFO L158 Benchmark]: RCFGBuilder took 234.24ms. Allocated memory is still 144.7MB. Free memory was 85.3MB in the beginning and 75.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-15 10:57:45,576 INFO L158 Benchmark]: TraceAbstraction took 579.66ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 75.3MB in the beginning and 151.3MB in the end (delta: -75.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 10:57:45,576 INFO L158 Benchmark]: Witness Printer took 47.11ms. Allocated memory is still 184.5MB. Free memory was 151.3MB in the beginning and 149.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 10:57:45,578 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 144.7MB. Free memory is still 116.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 132.91ms. Allocated memory is still 144.7MB. Free memory was 98.4MB in the beginning and 87.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.54ms. Allocated memory is still 144.7MB. Free memory was 87.9MB in the beginning and 86.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 11.31ms. Allocated memory is still 144.7MB. Free memory was 86.4MB in the beginning and 85.8MB in the end (delta: 535.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 234.24ms. Allocated memory is still 144.7MB. Free memory was 85.3MB in the beginning and 75.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 579.66ms. Allocated memory was 144.7MB in the beginning and 184.5MB in the end (delta: 39.8MB). Free memory was 75.3MB in the beginning and 151.3MB in the end (delta: -75.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 47.11ms. Allocated memory is still 184.5MB. Free memory was 151.3MB in the beginning and 149.1MB in the end (delta: 2.2MB). 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: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 14 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 13 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: !(cond == 0) && (100 <= x || y <= 0) RESULT: Ultimate proved your program to be correct! [2023-02-15 10:57:45,601 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE