/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5B.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:35:50,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:35:50,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:35:50,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:35:50,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:35:50,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:35:50,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:35:50,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:35:50,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:35:50,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:35:50,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:35:50,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:35:50,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:35:50,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:35:50,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:35:50,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:35:50,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:35:50,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:35:50,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:35:50,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:35:50,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:35:50,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:35:50,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:35:50,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:35:50,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 22:35:50,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 22:35:50,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 22:35:50,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 22:35:50,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 22:35:50,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 22:35:50,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 22:35:50,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 22:35:50,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 22:35:50,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:35:50,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:35:50,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:35:50,315 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 22:35:50,344 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:35:50,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:35:50,345 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:35:50,345 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:35:50,346 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:35:50,346 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:35:50,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:35:50,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:35:50,347 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:35:50,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:35:50,348 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:35:50,348 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:35:50,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:35:50,348 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:35:50,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:35:50,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:35:50,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:35:50,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:35:50,349 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:35:50,349 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:35:50,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:35:50,350 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:35:50,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:35:50,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:35:50,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:35:50,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:35:50,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:35:50,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:35:50,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:35:50,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:35:50,352 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:35:50,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:35:50,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:35:50,352 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:35:50,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:35:50,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:35:50,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:35:50,798 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:35:50,799 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:35:50,801 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5B.i [2022-10-15 22:35:50,881 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/437cdf2b6/d8410c6eb3b3483ebb215670abd5cceb/FLAGd51afe67e [2022-10-15 22:35:51,536 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:35:51,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex5B.i [2022-10-15 22:35:51,546 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/437cdf2b6/d8410c6eb3b3483ebb215670abd5cceb/FLAGd51afe67e [2022-10-15 22:35:51,886 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/437cdf2b6/d8410c6eb3b3483ebb215670abd5cceb [2022-10-15 22:35:51,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:35:51,896 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:35:51,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:35:51,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:35:51,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:35:51,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:35:51" (1/1) ... [2022-10-15 22:35:51,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a28b24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:35:51, skipping insertion in model container [2022-10-15 22:35:51,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:35:51" (1/1) ... [2022-10-15 22:35:51,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:35:51,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:35:52,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:35:52,247 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:35:52,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:35:52,304 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:35:52,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:35:52 WrapperNode [2022-10-15 22:35:52,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:35:52,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:35:52,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:35:52,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:35:52,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:35:52" (1/1) ... [2022-10-15 22:35:52,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:35:52" (1/1) ... [2022-10-15 22:35:52,348 INFO L138 Inliner]: procedures = 12, calls = 31, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2022-10-15 22:35:52,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:35:52,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:35:52,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:35:52,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:35:52,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:35:52" (1/1) ... [2022-10-15 22:35:52,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:35:52" (1/1) ... [2022-10-15 22:35:52,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:35:52" (1/1) ... [2022-10-15 22:35:52,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:35:52" (1/1) ... [2022-10-15 22:35:52,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:35:52" (1/1) ... [2022-10-15 22:35:52,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:35:52" (1/1) ... [2022-10-15 22:35:52,377 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:35:52" (1/1) ... [2022-10-15 22:35:52,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:35:52" (1/1) ... [2022-10-15 22:35:52,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:35:52,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:35:52,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:35:52,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:35:52,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:35:52" (1/1) ... [2022-10-15 22:35:52,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:35:52,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:35:52,422 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) [2022-10-15 22:35:52,438 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 [2022-10-15 22:35:52,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 22:35:52,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 22:35:52,493 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-10-15 22:35:52,493 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-10-15 22:35:52,493 INFO L130 BoogieDeclarations]: Found specification of procedure g [2022-10-15 22:35:52,494 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2022-10-15 22:35:52,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:35:52,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:35:52,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 22:35:52,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 22:35:52,617 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:35:52,620 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:35:52,898 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:35:52,921 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:35:52,921 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 22:35:52,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:35:52 BoogieIcfgContainer [2022-10-15 22:35:52,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:35:52,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:35:52,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:35:52,959 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:35:52,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:35:51" (1/3) ... [2022-10-15 22:35:52,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30e386d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:35:52, skipping insertion in model container [2022-10-15 22:35:52,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:35:52" (2/3) ... [2022-10-15 22:35:52,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30e386d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:35:52, skipping insertion in model container [2022-10-15 22:35:52,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:35:52" (3/3) ... [2022-10-15 22:35:52,965 INFO L112 eAbstractionObserver]: Analyzing ICFG rec_malloc_ex5B.i [2022-10-15 22:35:52,997 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:35:52,997 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-10-15 22:35:53,093 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:35:53,107 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@661bf1da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:35:53,108 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-10-15 22:35:53,113 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 35 states have internal predecessors, (41), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-10-15 22:35:53,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-15 22:35:53,125 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:35:53,126 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:35:53,128 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4 more)] === [2022-10-15 22:35:53,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:35:53,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1609417504, now seen corresponding path program 1 times [2022-10-15 22:35:53,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:35:53,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81210077] [2022-10-15 22:35:53,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:35:53,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:35:53,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:35:53,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:35:53,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:35:53,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81210077] [2022-10-15 22:35:53,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81210077] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:35:53,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:35:53,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:35:53,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223328403] [2022-10-15 22:35:53,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:35:53,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:35:53,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:35:53,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:35:53,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:35:53,441 INFO L87 Difference]: Start difference. First operand has 43 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 35 states have internal predecessors, (41), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:35:53,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:35:53,488 INFO L93 Difference]: Finished difference Result 83 states and 100 transitions. [2022-10-15 22:35:53,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:35:53,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-10-15 22:35:53,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:35:53,501 INFO L225 Difference]: With dead ends: 83 [2022-10-15 22:35:53,501 INFO L226 Difference]: Without dead ends: 39 [2022-10-15 22:35:53,505 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 [2022-10-15 22:35:53,510 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 0 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:35:53,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:35:53,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-10-15 22:35:53,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-10-15 22:35:53,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 32 states have internal predecessors, (35), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-10-15 22:35:53,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2022-10-15 22:35:53,560 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 8 [2022-10-15 22:35:53,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:35:53,560 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2022-10-15 22:35:53,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:35:53,561 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2022-10-15 22:35:53,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-15 22:35:53,562 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:35:53,562 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:35:53,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:35:53,563 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 4 more)] === [2022-10-15 22:35:53,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:35:53,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1666675806, now seen corresponding path program 1 times [2022-10-15 22:35:53,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:35:53,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955220183] [2022-10-15 22:35:53,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:35:53,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:35:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-15 22:35:53,616 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-15 22:35:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-15 22:35:53,717 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-15 22:35:53,718 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-15 22:35:53,721 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-10-15 22:35:53,724 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-10-15 22:35:53,725 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-10-15 22:35:53,725 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-10-15 22:35:53,727 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location fErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-10-15 22:35:53,727 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location fErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-10-15 22:35:53,728 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location gErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-10-15 22:35:53,733 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location gErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-10-15 22:35:53,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:35:53,740 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-10-15 22:35:53,747 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-15 22:35:53,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 10:35:53 BoogieIcfgContainer [2022-10-15 22:35:53,784 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-15 22:35:53,787 INFO L158 Benchmark]: Toolchain (without parser) took 1894.82ms. Allocated memory is still 161.5MB. Free memory was 135.1MB in the beginning and 112.6MB in the end (delta: 22.6MB). Peak memory consumption was 23.3MB. Max. memory is 8.0GB. [2022-10-15 22:35:53,789 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 161.5MB. Free memory was 131.2MB in the beginning and 131.1MB in the end (delta: 88.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 22:35:53,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.66ms. Allocated memory is still 161.5MB. Free memory was 134.8MB in the beginning and 124.7MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-10-15 22:35:53,797 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.77ms. Allocated memory is still 161.5MB. Free memory was 124.7MB in the beginning and 123.2MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-15 22:35:53,798 INFO L158 Benchmark]: Boogie Preprocessor took 31.70ms. Allocated memory is still 161.5MB. Free memory was 123.2MB in the beginning and 121.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-15 22:35:53,799 INFO L158 Benchmark]: RCFGBuilder took 568.21ms. Allocated memory is still 161.5MB. Free memory was 121.8MB in the beginning and 143.2MB in the end (delta: -21.5MB). Peak memory consumption was 18.0MB. Max. memory is 8.0GB. [2022-10-15 22:35:53,799 INFO L158 Benchmark]: TraceAbstraction took 831.02ms. Allocated memory is still 161.5MB. Free memory was 142.4MB in the beginning and 112.6MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2022-10-15 22:35:53,802 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 161.5MB. Free memory was 131.2MB in the beginning and 131.1MB in the end (delta: 88.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 402.66ms. Allocated memory is still 161.5MB. Free memory was 134.8MB in the beginning and 124.7MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.77ms. Allocated memory is still 161.5MB. Free memory was 124.7MB in the beginning and 123.2MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.70ms. Allocated memory is still 161.5MB. Free memory was 123.2MB in the beginning and 121.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 568.21ms. Allocated memory is still 161.5MB. Free memory was 121.8MB in the beginning and 143.2MB in the end (delta: -21.5MB). Peak memory consumption was 18.0MB. Max. memory is 8.0GB. * TraceAbstraction took 831.02ms. Allocated memory is still 161.5MB. Free memory was 142.4MB in the beginning and 112.6MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * 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: 23]: integer overflow possible integer overflow possible We found a FailurePath: [L69] int *p1 = malloc(sizeof(int)); [L70] int *p2 = malloc(sizeof(int)); [L73] *p1 = __VERIFIER_nondet_int() [L74] *p2 = __VERIFIER_nondet_int() [L76] EXPR \read(*p1) [L76] *p1 < 0 || *p2 < 0 [L76] EXPR \read(*p2) [L76] *p1 < 0 || *p2 < 0 VAL [*p1 < 0 || *p2 < 0=0, \read(*p1)=0, \read(*p2)=2147483647, p1={-1:0}, p2={-2:0}] [L76] COND FALSE !(*p1 < 0 || *p2 < 0) [L79] EXPR \read(*p2) VAL [\read(*p2)=2147483647, p1={-1:0}, p2={-2:0}] [L79] CALL f(p1,*p2) VAL [\old(v)=2147483647, q={-1:0}] [L17] COND FALSE !(v < 0) [L22] int *tmp = malloc(sizeof(int)); [L23] v+1 VAL [\old(v)=2147483647, q={-1:0}, q={-1:0}, tmp={-3:0}, v=2147483647] - UnprovableResult [Line: 23]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 25]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 25]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 30]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 30]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 52]: 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 3 procedures, 43 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 94 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 45 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 49 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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! [2022-10-15 22:35:53,858 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...