./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/signedintegeroverflow-regression/AdditionIntMin.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 791161d1 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/signedintegeroverflow-regression/AdditionIntMin.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 27b7f4ca13f89942926d688f9661c8b9db8ca724ecc8df8ad72d9c1c501fca7e --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 13:16:41,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 13:16:41,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 13:16:41,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 13:16:41,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 13:16:41,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 13:16:41,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 13:16:41,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 13:16:41,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 13:16:41,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 13:16:41,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 13:16:41,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 13:16:41,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 13:16:41,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 13:16:41,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 13:16:41,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 13:16:41,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 13:16:41,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 13:16:41,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 13:16:41,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 13:16:41,842 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 13:16:41,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 13:16:41,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 13:16:41,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 13:16:41,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 13:16:41,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 13:16:41,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 13:16:41,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 13:16:41,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 13:16:41,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 13:16:41,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 13:16:41,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 13:16:41,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 13:16:41,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 13:16:41,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 13:16:41,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 13:16:41,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 13:16:41,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 13:16:41,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 13:16:41,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 13:16:41,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 13:16:41,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 13:16:41,859 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-07-23 13:16:41,878 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 13:16:41,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 13:16:41,879 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 13:16:41,879 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 13:16:41,880 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 13:16:41,880 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 13:16:41,881 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 13:16:41,881 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 13:16:41,881 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 13:16:41,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 13:16:41,882 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 13:16:41,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 13:16:41,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 13:16:41,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 13:16:41,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 13:16:41,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 13:16:41,883 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-07-23 13:16:41,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 13:16:41,883 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 13:16:41,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 13:16:41,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 13:16:41,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 13:16:41,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 13:16:41,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 13:16:41,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 13:16:41,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 13:16:41,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 13:16:41,885 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 13:16:41,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 13:16:41,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 13:16:41,886 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27b7f4ca13f89942926d688f9661c8b9db8ca724ecc8df8ad72d9c1c501fca7e [2022-07-23 13:16:42,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 13:16:42,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 13:16:42,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 13:16:42,169 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 13:16:42,170 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 13:16:42,171 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/signedintegeroverflow-regression/AdditionIntMin.i [2022-07-23 13:16:42,236 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f877099f/eb130ff9ddcd4049b65eaa0deed7a480/FLAG568bde647 [2022-07-23 13:16:42,781 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 13:16:42,787 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/signedintegeroverflow-regression/AdditionIntMin.i [2022-07-23 13:16:42,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f877099f/eb130ff9ddcd4049b65eaa0deed7a480/FLAG568bde647 [2022-07-23 13:16:43,115 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f877099f/eb130ff9ddcd4049b65eaa0deed7a480 [2022-07-23 13:16:43,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 13:16:43,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 13:16:43,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 13:16:43,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 13:16:43,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 13:16:43,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:16:43" (1/1) ... [2022-07-23 13:16:43,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d0cfbaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:16:43, skipping insertion in model container [2022-07-23 13:16:43,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:16:43" (1/1) ... [2022-07-23 13:16:43,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 13:16:43,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 13:16:43,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 13:16:43,396 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 13:16:43,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 13:16:43,488 INFO L208 MainTranslator]: Completed translation [2022-07-23 13:16:43,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:16:43 WrapperNode [2022-07-23 13:16:43,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 13:16:43,490 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 13:16:43,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 13:16:43,491 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 13:16:43,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:16:43" (1/1) ... [2022-07-23 13:16:43,514 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:16:43" (1/1) ... [2022-07-23 13:16:43,532 INFO L137 Inliner]: procedures = 109, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-07-23 13:16:43,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 13:16:43,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 13:16:43,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 13:16:43,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 13:16:43,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:16:43" (1/1) ... [2022-07-23 13:16:43,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:16:43" (1/1) ... [2022-07-23 13:16:43,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:16:43" (1/1) ... [2022-07-23 13:16:43,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:16:43" (1/1) ... [2022-07-23 13:16:43,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:16:43" (1/1) ... [2022-07-23 13:16:43,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:16:43" (1/1) ... [2022-07-23 13:16:43,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:16:43" (1/1) ... [2022-07-23 13:16:43,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 13:16:43,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 13:16:43,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 13:16:43,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 13:16:43,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:16:43" (1/1) ... [2022-07-23 13:16:43,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 13:16:43,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:16:43,605 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) [2022-07-23 13:16:43,632 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 [2022-07-23 13:16:43,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 13:16:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 13:16:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 13:16:43,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 13:16:43,741 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 13:16:43,743 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 13:16:43,836 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 13:16:43,852 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 13:16:43,852 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 13:16:43,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:16:43 BoogieIcfgContainer [2022-07-23 13:16:43,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 13:16:43,856 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 13:16:43,856 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 13:16:43,859 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 13:16:43,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 01:16:43" (1/3) ... [2022-07-23 13:16:43,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f69718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:16:43, skipping insertion in model container [2022-07-23 13:16:43,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:16:43" (2/3) ... [2022-07-23 13:16:43,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f69718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:16:43, skipping insertion in model container [2022-07-23 13:16:43,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:16:43" (3/3) ... [2022-07-23 13:16:43,861 INFO L111 eAbstractionObserver]: Analyzing ICFG AdditionIntMin.i [2022-07-23 13:16:43,886 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 13:16:43,887 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-23 13:16:43,947 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 13:16:43,953 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=FINITE_AUTOMATA, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@165267ef, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2280ae3d [2022-07-23 13:16:43,954 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-23 13:16:43,957 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 8 states have (on average 1.5) internal successors, (12), 12 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) [2022-07-23 13:16:43,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-07-23 13:16:43,963 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:16:43,964 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-07-23 13:16:43,964 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-07-23 13:16:43,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:16:43,969 INFO L85 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2022-07-23 13:16:43,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:16:43,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357118656] [2022-07-23 13:16:43,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:16:43,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:16:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:16:44,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 13:16:44,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:16:44,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357118656] [2022-07-23 13:16:44,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357118656] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 13:16:44,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 13:16:44,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 13:16:44,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977063642] [2022-07-23 13:16:44,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 13:16:44,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 13:16:44,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:16:44,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 13:16:44,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 13:16:44,164 INFO L87 Difference]: Start difference. First operand has 13 states, 8 states have (on average 1.5) internal successors, (12), 12 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) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2022-07-23 13:16:44,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:16:44,193 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2022-07-23 13:16:44,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 13:16:44,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2022-07-23 13:16:44,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:16:44,202 INFO L225 Difference]: With dead ends: 13 [2022-07-23 13:16:44,202 INFO L226 Difference]: Without dead ends: 5 [2022-07-23 13:16:44,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 13:16:44,209 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 13:16:44,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 13:16:44,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2022-07-23 13:16:44,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2022-07-23 13:16:44,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 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) [2022-07-23 13:16:44,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4 transitions. [2022-07-23 13:16:44,243 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 4 transitions. Word has length 3 [2022-07-23 13:16:44,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:16:44,244 INFO L495 AbstractCegarLoop]: Abstraction has 5 states and 4 transitions. [2022-07-23 13:16:44,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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) [2022-07-23 13:16:44,244 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2022-07-23 13:16:44,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-07-23 13:16:44,245 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:16:44,245 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-07-23 13:16:44,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 13:16:44,246 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-07-23 13:16:44,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:16:44,248 INFO L85 PathProgramCache]: Analyzing trace with hash 925572, now seen corresponding path program 1 times [2022-07-23 13:16:44,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:16:44,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340141184] [2022-07-23 13:16:44,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:16:44,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:16:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 13:16:44,273 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 13:16:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 13:16:44,302 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 13:16:44,302 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-23 13:16:44,305 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-07-23 13:16:44,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-07-23 13:16:44,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-07-23 13:16:44,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-07-23 13:16:44,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 13:16:44,321 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-23 13:16:44,334 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-23 13:16:44,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:16:44 BoogieIcfgContainer [2022-07-23 13:16:44,356 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-23 13:16:44,356 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 13:16:44,357 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 13:16:44,357 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 13:16:44,358 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:16:43" (3/4) ... [2022-07-23 13:16:44,359 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-23 13:16:44,393 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-23 13:16:44,393 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 13:16:44,395 INFO L158 Benchmark]: Toolchain (without parser) took 1273.78ms. Allocated memory was 109.1MB in the beginning and 155.2MB in the end (delta: 46.1MB). Free memory was 79.4MB in the beginning and 127.8MB in the end (delta: -48.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 13:16:44,395 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 109.1MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 13:16:44,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.60ms. Allocated memory was 109.1MB in the beginning and 155.2MB in the end (delta: 46.1MB). Free memory was 79.2MB in the beginning and 124.1MB in the end (delta: -44.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-23 13:16:44,396 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.61ms. Allocated memory is still 155.2MB. Free memory was 124.1MB in the beginning and 122.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 13:16:44,396 INFO L158 Benchmark]: Boogie Preprocessor took 33.07ms. Allocated memory is still 155.2MB. Free memory was 122.4MB in the beginning and 121.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 13:16:44,397 INFO L158 Benchmark]: RCFGBuilder took 286.33ms. Allocated memory is still 155.2MB. Free memory was 121.3MB in the beginning and 113.0MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-23 13:16:44,397 INFO L158 Benchmark]: TraceAbstraction took 500.12ms. Allocated memory is still 155.2MB. Free memory was 112.3MB in the beginning and 129.0MB in the end (delta: -16.8MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2022-07-23 13:16:44,400 INFO L158 Benchmark]: Witness Printer took 37.17ms. Allocated memory is still 155.2MB. Free memory was 129.0MB in the beginning and 127.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 13:16:44,402 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 109.1MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.60ms. Allocated memory was 109.1MB in the beginning and 155.2MB in the end (delta: 46.1MB). Free memory was 79.2MB in the beginning and 124.1MB in the end (delta: -44.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.61ms. Allocated memory is still 155.2MB. Free memory was 124.1MB in the beginning and 122.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.07ms. Allocated memory is still 155.2MB. Free memory was 122.4MB in the beginning and 121.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 286.33ms. Allocated memory is still 155.2MB. Free memory was 121.3MB in the beginning and 113.0MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 500.12ms. Allocated memory is still 155.2MB. Free memory was 112.3MB in the beginning and 129.0MB in the end (delta: -16.8MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * Witness Printer took 37.17ms. Allocated memory is still 155.2MB. Free memory was 129.0MB in the beginning and 127.8MB in the end (delta: 1.3MB). 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 - CounterExampleResult [Line: 333]: integer overflow possible integer overflow possible We found a FailurePath: [L332] int minInt = -2147483647 - 1; VAL [minInt=-2147483648] [L333] minInt + -1 VAL [minInt=-2147483648] - UnprovableResult [Line: 333]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 333]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 333]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, InterpolantAutomatonStates: 3, 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 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 RESULT: Ultimate proved your program to be incorrect! [2022-07-23 13:16:44,449 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)