/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/floats-cbmc-regression/float5.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 16:46:23,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 16:46:23,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 16:46:23,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 16:46:23,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 16:46:23,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 16:46:23,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 16:46:23,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 16:46:23,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 16:46:23,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 16:46:23,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 16:46:23,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 16:46:23,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 16:46:23,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 16:46:23,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 16:46:23,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 16:46:23,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 16:46:23,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 16:46:23,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 16:46:23,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 16:46:23,289 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 16:46:23,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 16:46:23,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 16:46:23,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 16:46:23,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 16:46:23,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 16:46:23,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 16:46:23,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 16:46:23,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 16:46:23,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 16:46:23,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 16:46:23,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 16:46:23,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 16:46:23,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 16:46:23,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 16:46:23,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 16:46:23,311 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 16:46:23,339 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 16:46:23,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 16:46:23,340 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 16:46:23,340 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 16:46:23,341 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 16:46:23,341 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 16:46:23,342 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 16:46:23,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 16:46:23,342 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 16:46:23,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 16:46:23,343 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 16:46:23,343 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 16:46:23,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 16:46:23,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 16:46:23,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 16:46:23,344 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 16:46:23,345 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 16:46:23,345 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 16:46:23,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 16:46:23,345 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 16:46:23,346 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 16:46:23,346 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 16:46:23,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 16:46:23,347 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 16:46:23,347 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 16:46:23,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 16:46:23,347 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 16:46:23,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 16:46:23,348 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 16:46:23,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 16:46:23,348 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 16:46:23,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 16:46:23,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 16:46:23,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 16:46:23,796 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 16:46:23,797 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 16:46:23,798 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float5.c [2022-10-15 16:46:23,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9e3802db/c7fc59b26d0e48a8b6fe0eef03e349e7/FLAGb56f226ac [2022-10-15 16:46:24,471 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 16:46:24,472 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float5.c [2022-10-15 16:46:24,483 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9e3802db/c7fc59b26d0e48a8b6fe0eef03e349e7/FLAGb56f226ac [2022-10-15 16:46:24,813 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9e3802db/c7fc59b26d0e48a8b6fe0eef03e349e7 [2022-10-15 16:46:24,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 16:46:24,825 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 16:46:24,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 16:46:24,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 16:46:24,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 16:46:24,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:46:24" (1/1) ... [2022-10-15 16:46:24,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a9abe4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:24, skipping insertion in model container [2022-10-15 16:46:24,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:46:24" (1/1) ... [2022-10-15 16:46:24,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 16:46:24,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 16:46:25,041 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/floats-cbmc-regression/float5.c[501,514] [2022-10-15 16:46:25,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 16:46:25,059 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 16:46:25,079 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/floats-cbmc-regression/float5.c[501,514] [2022-10-15 16:46:25,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 16:46:25,101 INFO L208 MainTranslator]: Completed translation [2022-10-15 16:46:25,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:25 WrapperNode [2022-10-15 16:46:25,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 16:46:25,105 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 16:46:25,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 16:46:25,107 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 16:46:25,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:25" (1/1) ... [2022-10-15 16:46:25,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:25" (1/1) ... [2022-10-15 16:46:25,158 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-10-15 16:46:25,158 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 16:46:25,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 16:46:25,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 16:46:25,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 16:46:25,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:25" (1/1) ... [2022-10-15 16:46:25,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:25" (1/1) ... [2022-10-15 16:46:25,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:25" (1/1) ... [2022-10-15 16:46:25,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:25" (1/1) ... [2022-10-15 16:46:25,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:25" (1/1) ... [2022-10-15 16:46:25,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:25" (1/1) ... [2022-10-15 16:46:25,191 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:25" (1/1) ... [2022-10-15 16:46:25,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:25" (1/1) ... [2022-10-15 16:46:25,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 16:46:25,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 16:46:25,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 16:46:25,196 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 16:46:25,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:25" (1/1) ... [2022-10-15 16:46:25,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 16:46:25,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 16:46:25,243 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 16:46:25,271 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 16:46:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 16:46:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 16:46:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 16:46:25,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 16:46:25,437 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 16:46:25,439 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 16:46:25,603 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 16:46:25,616 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 16:46:25,616 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 16:46:25,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:46:25 BoogieIcfgContainer [2022-10-15 16:46:25,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 16:46:25,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 16:46:25,631 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 16:46:25,635 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 16:46:25,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:46:24" (1/3) ... [2022-10-15 16:46:25,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53981e19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:46:25, skipping insertion in model container [2022-10-15 16:46:25,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:25" (2/3) ... [2022-10-15 16:46:25,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53981e19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:46:25, skipping insertion in model container [2022-10-15 16:46:25,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:46:25" (3/3) ... [2022-10-15 16:46:25,639 INFO L112 eAbstractionObserver]: Analyzing ICFG float5.c [2022-10-15 16:46:25,663 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 16:46:25,664 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 16:46:25,720 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 16:46:25,729 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;@5fc23485, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 16:46:25,730 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 16:46:25,735 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 8 states have (on average 1.5) internal successors, (12), 10 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 16:46:25,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-15 16:46:25,742 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 16:46:25,743 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-10-15 16:46:25,743 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 16:46:25,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 16:46:25,750 INFO L85 PathProgramCache]: Analyzing trace with hash 889508841, now seen corresponding path program 1 times [2022-10-15 16:46:25,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 16:46:25,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359091183] [2022-10-15 16:46:25,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:46:25,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 16:46:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:46:25,937 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 16:46:25,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 16:46:25,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359091183] [2022-10-15 16:46:25,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359091183] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 16:46:25,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 16:46:25,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 16:46:25,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973404824] [2022-10-15 16:46:25,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 16:46:25,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 16:46:25,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 16:46:25,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 16:46:25,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 16:46:25,982 INFO L87 Difference]: Start difference. First operand has 11 states, 8 states have (on average 1.5) internal successors, (12), 10 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 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 16:46:25,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 16:46:25,996 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2022-10-15 16:46:25,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 16:46:25,998 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-10-15 16:46:25,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 16:46:26,006 INFO L225 Difference]: With dead ends: 11 [2022-10-15 16:46:26,006 INFO L226 Difference]: Without dead ends: 9 [2022-10-15 16:46:26,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 16:46:26,013 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 16:46:26,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 16:46:26,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-10-15 16:46:26,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-10-15 16:46:26,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 8 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 16:46:26,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2022-10-15 16:46:26,049 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 6 [2022-10-15 16:46:26,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 16:46:26,050 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2022-10-15 16:46:26,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 16:46:26,050 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-10-15 16:46:26,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-15 16:46:26,051 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 16:46:26,051 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-10-15 16:46:26,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 16:46:26,052 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 16:46:26,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 16:46:26,053 INFO L85 PathProgramCache]: Analyzing trace with hash 889568423, now seen corresponding path program 1 times [2022-10-15 16:46:26,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 16:46:26,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850472199] [2022-10-15 16:46:26,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:46:26,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 16:46:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:46:26,103 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 16:46:26,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 16:46:26,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850472199] [2022-10-15 16:46:26,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850472199] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 16:46:26,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 16:46:26,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 16:46:26,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64340722] [2022-10-15 16:46:26,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 16:46:26,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 16:46:26,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 16:46:26,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 16:46:26,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 16:46:26,108 INFO L87 Difference]: Start difference. First operand 9 states and 8 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 16:46:26,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 16:46:26,114 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2022-10-15 16:46:26,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 16:46:26,115 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-10-15 16:46:26,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 16:46:26,116 INFO L225 Difference]: With dead ends: 8 [2022-10-15 16:46:26,116 INFO L226 Difference]: Without dead ends: 7 [2022-10-15 16:46:26,117 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 16:46:26,119 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 16:46:26,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 16:46:26,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-10-15 16:46:26,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-10-15 16:46:26,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 16:46:26,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-10-15 16:46:26,123 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2022-10-15 16:46:26,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 16:46:26,123 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-10-15 16:46:26,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 16:46:26,124 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-10-15 16:46:26,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-15 16:46:26,124 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 16:46:26,124 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-10-15 16:46:26,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 16:46:26,125 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK] === [2022-10-15 16:46:26,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 16:46:26,126 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2022-10-15 16:46:26,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 16:46:26,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982215300] [2022-10-15 16:46:26,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:46:26,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 16:46:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-15 16:46:26,138 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-15 16:46:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-15 16:46:26,201 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-15 16:46:26,205 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-15 16:46:26,206 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 2 remaining) [2022-10-15 16:46:26,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (0 of 2 remaining) [2022-10-15 16:46:26,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 16:46:26,221 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-10-15 16:46:26,229 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-15 16:46:26,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 04:46:26 BoogieIcfgContainer [2022-10-15 16:46:26,259 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-15 16:46:26,260 INFO L158 Benchmark]: Toolchain (without parser) took 1439.54ms. Allocated memory is still 152.0MB. Free memory was 126.2MB in the beginning and 116.1MB in the end (delta: 10.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-10-15 16:46:26,260 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 152.0MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 16:46:26,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.57ms. Allocated memory is still 152.0MB. Free memory was 125.9MB in the beginning and 116.1MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-10-15 16:46:26,262 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.88ms. Allocated memory is still 152.0MB. Free memory was 116.0MB in the beginning and 114.6MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-15 16:46:26,263 INFO L158 Benchmark]: Boogie Preprocessor took 34.80ms. Allocated memory is still 152.0MB. Free memory was 114.5MB in the beginning and 113.6MB in the end (delta: 971.7kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-15 16:46:26,264 INFO L158 Benchmark]: RCFGBuilder took 427.27ms. Allocated memory is still 152.0MB. Free memory was 113.6MB in the beginning and 104.8MB in the end (delta: 8.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-10-15 16:46:26,264 INFO L158 Benchmark]: TraceAbstraction took 628.64ms. Allocated memory is still 152.0MB. Free memory was 104.2MB in the beginning and 116.1MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 16:46:26,268 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 152.0MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 277.57ms. Allocated memory is still 152.0MB. Free memory was 125.9MB in the beginning and 116.1MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.88ms. Allocated memory is still 152.0MB. Free memory was 116.0MB in the beginning and 114.6MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.80ms. Allocated memory is still 152.0MB. Free memory was 114.5MB in the beginning and 113.6MB in the end (delta: 971.7kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 427.27ms. Allocated memory is still 152.0MB. Free memory was 113.6MB in the beginning and 104.8MB in the end (delta: 8.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 628.64ms. Allocated memory is still 152.0MB. Free memory was 104.2MB in the beginning and 116.1MB in the end (delta: -11.8MB). 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 - UnprovableResult [Line: 14]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of someBinaryFLOATComparisonOperation at line 14, overapproximation of memtrack at line 14, overapproximation of someBinaryDOUBLEComparisonOperation at line 10, overapproximation of someBinaryArithmeticFLOAToperation at line 12. Possible FailurePath: [L8] float a=__VERIFIER_nondet_float(), b=__VERIFIER_nondet_float(); [L8] float a=__VERIFIER_nondet_float(), b=__VERIFIER_nondet_float(); [L10] COND FALSE !(!(a==1 || a==0.5 || a==2 || a==3 || a==0.1)) [L11] b=a [L12] a/=2 [L13] a*=2 VAL [b=53] [L14] COND TRUE !(a==b) VAL [b=53] [L14] reach_error() VAL [b=53] - UnprovableResult [Line: 6]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, 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, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1 IncrementalHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 17 mSDtfsCounter, 1 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-10-15 16:46:26,325 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...