/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-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/loops/trex04.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 18:19:43,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 18:19:43,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 18:19:43,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 18:19:43,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 18:19:43,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 18:19:43,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 18:19:43,638 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 18:19:43,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 18:19:43,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 18:19:43,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 18:19:43,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 18:19:43,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 18:19:43,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 18:19:43,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 18:19:43,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 18:19:43,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 18:19:43,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 18:19:43,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 18:19:43,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 18:19:43,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 18:19:43,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 18:19:43,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 18:19:43,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 18:19:43,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 18:19:43,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 18:19:43,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 18:19:43,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 18:19:43,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 18:19:43,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 18:19:43,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 18:19:43,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 18:19:43,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 18:19:43,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 18:19:43,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 18:19:43,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 18:19:43,694 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-10-15 18:19:43,748 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 18:19:43,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 18:19:43,749 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 18:19:43,749 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 18:19:43,750 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 18:19:43,751 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 18:19:43,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 18:19:43,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 18:19:43,752 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 18:19:43,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 18:19:43,752 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 18:19:43,753 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 18:19:43,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 18:19:43,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 18:19:43,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 18:19:43,753 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 18:19:43,754 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 18:19:43,754 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 18:19:43,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 18:19:43,754 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 18:19:43,754 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 18:19:43,755 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 18:19:43,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 18:19:43,755 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 18:19:43,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 18:19:43,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 18:19:43,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 18:19:43,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 18:19:43,756 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 18:19:43,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 18:19:43,757 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 18:19:44,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 18:19:44,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 18:19:44,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 18:19:44,203 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 18:19:44,203 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 18:19:44,205 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/trex04.c [2022-10-15 18:19:44,297 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f6a530a9/8b79fe03ec254e72ae2e197e2eaf0b85/FLAG7f80a89c7 [2022-10-15 18:19:45,019 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 18:19:45,019 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex04.c [2022-10-15 18:19:45,027 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f6a530a9/8b79fe03ec254e72ae2e197e2eaf0b85/FLAG7f80a89c7 [2022-10-15 18:19:45,373 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f6a530a9/8b79fe03ec254e72ae2e197e2eaf0b85 [2022-10-15 18:19:45,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 18:19:45,386 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 18:19:45,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 18:19:45,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 18:19:45,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 18:19:45,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:19:45" (1/1) ... [2022-10-15 18:19:45,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a649e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:19:45, skipping insertion in model container [2022-10-15 18:19:45,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:19:45" (1/1) ... [2022-10-15 18:19:45,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 18:19:45,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 18:19:45,608 WARN L230 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/trex04.c[405,418] [2022-10-15 18:19:45,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 18:19:45,648 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 18:19:45,663 WARN L230 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/trex04.c[405,418] [2022-10-15 18:19:45,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 18:19:45,687 INFO L208 MainTranslator]: Completed translation [2022-10-15 18:19:45,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:19:45 WrapperNode [2022-10-15 18:19:45,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 18:19:45,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 18:19:45,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 18:19:45,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 18:19:45,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:19:45" (1/1) ... [2022-10-15 18:19:45,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:19:45" (1/1) ... [2022-10-15 18:19:45,732 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 45 [2022-10-15 18:19:45,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 18:19:45,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 18:19:45,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 18:19:45,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 18:19:45,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:19:45" (1/1) ... [2022-10-15 18:19:45,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:19:45" (1/1) ... [2022-10-15 18:19:45,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:19:45" (1/1) ... [2022-10-15 18:19:45,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:19:45" (1/1) ... [2022-10-15 18:19:45,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:19:45" (1/1) ... [2022-10-15 18:19:45,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:19:45" (1/1) ... [2022-10-15 18:19:45,758 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:19:45" (1/1) ... [2022-10-15 18:19:45,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:19:45" (1/1) ... [2022-10-15 18:19:45,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 18:19:45,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 18:19:45,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 18:19:45,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 18:19:45,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:19:45" (1/1) ... [2022-10-15 18:19:45,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 18:19:45,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 18:19:45,807 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 18:19:45,820 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 18:19:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 18:19:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-10-15 18:19:45,882 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-10-15 18:19:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 18:19:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 18:19:45,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 18:19:45,967 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 18:19:45,970 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 18:19:46,154 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 18:19:46,162 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 18:19:46,163 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 18:19:46,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:19:46 BoogieIcfgContainer [2022-10-15 18:19:46,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 18:19:46,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 18:19:46,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 18:19:46,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 18:19:46,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 06:19:45" (1/3) ... [2022-10-15 18:19:46,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4647992f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:19:46, skipping insertion in model container [2022-10-15 18:19:46,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:19:45" (2/3) ... [2022-10-15 18:19:46,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4647992f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:19:46, skipping insertion in model container [2022-10-15 18:19:46,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:19:46" (3/3) ... [2022-10-15 18:19:46,179 INFO L112 eAbstractionObserver]: Analyzing ICFG trex04.c [2022-10-15 18:19:46,208 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 18:19:46,209 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 18:19:46,365 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 18:19:46,389 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=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@5ed4a612, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 18:19:46,389 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 18:19:46,395 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 19 states have (on average 1.631578947368421) internal successors, (31), 23 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-15 18:19:46,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-15 18:19:46,419 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 18:19:46,420 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-15 18:19:46,422 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 18:19:46,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 18:19:46,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1356633, now seen corresponding path program 1 times [2022-10-15 18:19:46,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 18:19:46,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672772775] [2022-10-15 18:19:46,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:19:46,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 18:19:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:19:46,774 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 18:19:46,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 18:19:46,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672772775] [2022-10-15 18:19:46,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672772775] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 18:19:46,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 18:19:46,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 18:19:46,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120304703] [2022-10-15 18:19:46,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 18:19:46,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 18:19:46,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 18:19:46,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 18:19:46,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 18:19:46,832 INFO L87 Difference]: Start difference. First operand has 25 states, 19 states have (on average 1.631578947368421) internal successors, (31), 23 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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) [2022-10-15 18:19:46,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 18:19:46,878 INFO L93 Difference]: Finished difference Result 24 states and 32 transitions. [2022-10-15 18:19:46,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 18:19:46,881 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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) Word has length 4 [2022-10-15 18:19:46,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 18:19:46,892 INFO L225 Difference]: With dead ends: 24 [2022-10-15 18:19:46,892 INFO L226 Difference]: Without dead ends: 20 [2022-10-15 18:19:46,895 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 [2022-10-15 18:19:46,901 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 19 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 18:19:46,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 37 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 18:19:46,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-10-15 18:19:46,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-10-15 18:19:46,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 16 states have (on average 1.4375) internal successors, (23), 18 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-15 18:19:46,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2022-10-15 18:19:46,992 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 27 transitions. Word has length 4 [2022-10-15 18:19:46,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 18:19:46,993 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 27 transitions. [2022-10-15 18:19:46,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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) [2022-10-15 18:19:46,993 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2022-10-15 18:19:46,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-15 18:19:46,999 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 18:19:47,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 18:19:47,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 18:19:47,003 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 18:19:47,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 18:19:47,004 INFO L85 PathProgramCache]: Analyzing trace with hash -2130634668, now seen corresponding path program 1 times [2022-10-15 18:19:47,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 18:19:47,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370409835] [2022-10-15 18:19:47,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 18:19:47,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 18:19:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 18:19:47,324 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 18:19:47,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 18:19:47,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370409835] [2022-10-15 18:19:47,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370409835] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 18:19:47,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 18:19:47,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 18:19:47,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912279374] [2022-10-15 18:19:47,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 18:19:47,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 18:19:47,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 18:19:47,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 18:19:47,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 18:19:47,329 INFO L87 Difference]: Start difference. First operand 20 states and 27 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2022-10-15 18:19:47,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 18:19:47,356 INFO L93 Difference]: Finished difference Result 18 states and 25 transitions. [2022-10-15 18:19:47,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 18:19:47,356 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-10-15 18:19:47,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 18:19:47,357 INFO L225 Difference]: With dead ends: 18 [2022-10-15 18:19:47,357 INFO L226 Difference]: Without dead ends: 0 [2022-10-15 18:19:47,358 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 [2022-10-15 18:19:47,360 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 18:19:47,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 68 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 18:19:47,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-15 18:19:47,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-15 18:19:47,363 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) [2022-10-15 18:19:47,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-15 18:19:47,363 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2022-10-15 18:19:47,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 18:19:47,364 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-15 18:19:47,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2022-10-15 18:19:47,364 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-15 18:19:47,364 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-15 18:19:47,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 2 remaining) [2022-10-15 18:19:47,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (0 of 2 remaining) [2022-10-15 18:19:47,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 18:19:47,376 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-10-15 18:19:47,379 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-15 18:19:47,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 06:19:47 BoogieIcfgContainer [2022-10-15 18:19:47,393 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-15 18:19:47,394 INFO L158 Benchmark]: Toolchain (without parser) took 2014.08ms. Allocated memory is still 151.0MB. Free memory was 125.8MB in the beginning and 104.9MB in the end (delta: 20.9MB). Peak memory consumption was 20.7MB. Max. memory is 8.0GB. [2022-10-15 18:19:47,395 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 151.0MB. Free memory was 122.4MB in the beginning and 122.3MB in the end (delta: 80.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 18:19:47,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.83ms. Allocated memory is still 151.0MB. Free memory was 125.7MB in the beginning and 115.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-10-15 18:19:47,399 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.28ms. Allocated memory is still 151.0MB. Free memory was 115.6MB in the beginning and 114.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-15 18:19:47,400 INFO L158 Benchmark]: Boogie Preprocessor took 28.24ms. Allocated memory is still 151.0MB. Free memory was 114.1MB in the beginning and 113.0MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-15 18:19:47,405 INFO L158 Benchmark]: RCFGBuilder took 403.78ms. Allocated memory is still 151.0MB. Free memory was 112.9MB in the beginning and 102.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-10-15 18:19:47,406 INFO L158 Benchmark]: TraceAbstraction took 1223.99ms. Allocated memory is still 151.0MB. Free memory was 101.6MB in the beginning and 104.9MB in the end (delta: -3.3MB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 18:19:47,416 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 151.0MB. Free memory was 122.4MB in the beginning and 122.3MB in the end (delta: 80.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 296.83ms. Allocated memory is still 151.0MB. Free memory was 125.7MB in the beginning and 115.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.28ms. Allocated memory is still 151.0MB. Free memory was 115.6MB in the beginning and 114.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.24ms. Allocated memory is still 151.0MB. Free memory was 114.1MB in the beginning and 113.0MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 403.78ms. Allocated memory is still 151.0MB. Free memory was 112.9MB in the beginning and 102.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1223.99ms. Allocated memory is still 151.0MB. Free memory was 101.6MB in the beginning and 104.9MB in the end (delta: -3.3MB). There was no memory consumed. 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 - PositiveResult [Line: 11]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 27]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 105 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 50 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 55 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-10-15 18:19:47,480 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...