/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/float-zero-sum1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 16:46:17,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 16:46:17,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 16:46:17,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 16:46:17,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 16:46:17,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 16:46:17,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 16:46:17,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 16:46:17,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 16:46:17,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 16:46:17,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 16:46:17,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 16:46:17,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 16:46:17,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 16:46:17,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 16:46:17,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 16:46:17,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 16:46:17,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 16:46:17,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 16:46:17,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 16:46:17,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 16:46:17,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 16:46:17,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 16:46:17,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 16:46:17,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 16:46:17,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 16:46:17,919 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 16:46:17,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 16:46:17,921 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 16:46:17,977 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 16:46:17,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 16:46:17,978 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 16:46:17,978 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 16:46:17,980 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 16:46:17,980 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 16:46:17,983 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 16:46:17,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 16:46:17,984 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 16:46:17,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 16:46:17,985 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 16:46:17,985 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 16:46:17,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 16:46:17,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 16:46:17,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 16:46:17,986 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-15 16:46:17,986 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-15 16:46:17,987 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-15 16:46:17,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 16:46:17,987 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-15 16:46:17,987 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 16:46:17,987 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 16:46:17,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 16:46:17,988 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 16:46:17,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 16:46:17,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 16:46:17,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 16:46:17,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 16:46:17,989 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 16:46:17,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 16:46:17,989 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 16:46:18,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 16:46:18,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 16:46:18,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 16:46:18,488 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 16:46:18,489 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 16:46:18,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i [2022-10-15 16:46:18,568 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00d4cdc84/639b9b311ecc4218923b9980cf213c0a/FLAG472925854 [2022-10-15 16:46:19,228 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 16:46:19,229 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-zero-sum1.i [2022-10-15 16:46:19,240 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00d4cdc84/639b9b311ecc4218923b9980cf213c0a/FLAG472925854 [2022-10-15 16:46:19,559 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00d4cdc84/639b9b311ecc4218923b9980cf213c0a [2022-10-15 16:46:19,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 16:46:19,570 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 16:46:19,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 16:46:19,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 16:46:19,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 16:46:19,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:46:19" (1/1) ... [2022-10-15 16:46:19,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@187d5422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:19, skipping insertion in model container [2022-10-15 16:46:19,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:46:19" (1/1) ... [2022-10-15 16:46:19,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 16:46:19,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 16:46:19,819 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/float-zero-sum1.i[2011,2024] [2022-10-15 16:46:19,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 16:46:19,841 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 16:46:19,865 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/float-zero-sum1.i[2011,2024] [2022-10-15 16:46:19,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 16:46:19,887 INFO L208 MainTranslator]: Completed translation [2022-10-15 16:46:19,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:19 WrapperNode [2022-10-15 16:46:19,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 16:46:19,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 16:46:19,890 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 16:46:19,890 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 16:46:19,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:19" (1/1) ... [2022-10-15 16:46:19,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:19" (1/1) ... [2022-10-15 16:46:19,938 INFO L138 Inliner]: procedures = 17, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2022-10-15 16:46:19,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 16:46:19,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 16:46:19,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 16:46:19,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 16:46:19,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:19" (1/1) ... [2022-10-15 16:46:19,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:19" (1/1) ... [2022-10-15 16:46:19,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:19" (1/1) ... [2022-10-15 16:46:19,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:19" (1/1) ... [2022-10-15 16:46:19,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:19" (1/1) ... [2022-10-15 16:46:19,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:19" (1/1) ... [2022-10-15 16:46:19,964 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:19" (1/1) ... [2022-10-15 16:46:19,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:19" (1/1) ... [2022-10-15 16:46:19,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 16:46:19,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 16:46:19,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 16:46:19,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 16:46:19,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:19" (1/1) ... [2022-10-15 16:46:19,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 16:46:19,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 16:46:20,008 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 16:46:20,031 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 16:46:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 16:46:20,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 16:46:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 16:46:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-10-15 16:46:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 16:46:20,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 16:46:20,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 16:46:20,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 16:46:20,156 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 16:46:20,158 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 16:46:20,321 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 16:46:20,328 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 16:46:20,329 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 16:46:20,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:46:20 BoogieIcfgContainer [2022-10-15 16:46:20,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 16:46:20,335 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 16:46:20,335 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 16:46:20,339 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 16:46:20,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:46:19" (1/3) ... [2022-10-15 16:46:20,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c05e04f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:46:20, skipping insertion in model container [2022-10-15 16:46:20,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:46:19" (2/3) ... [2022-10-15 16:46:20,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c05e04f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:46:20, skipping insertion in model container [2022-10-15 16:46:20,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:46:20" (3/3) ... [2022-10-15 16:46:20,343 INFO L112 eAbstractionObserver]: Analyzing ICFG float-zero-sum1.i [2022-10-15 16:46:20,404 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 16:46:20,405 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-10-15 16:46:20,523 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 16:46:20,540 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;@403aed47, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 16:46:20,540 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-10-15 16:46:20,549 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 10 states have (on average 1.7) internal successors, (17), 16 states have internal predecessors, (17), 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 16:46:20,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-15 16:46:20,577 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 16:46:20,579 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-10-15 16:46:20,580 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2022-10-15 16:46:20,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 16:46:20,608 INFO L85 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2022-10-15 16:46:20,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 16:46:20,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468466018] [2022-10-15 16:46:20,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:46:20,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 16:46:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:46:20,887 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 16:46:20,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 16:46:20,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468466018] [2022-10-15 16:46:20,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468466018] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 16:46:20,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 16:46:20,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 16:46:20,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690086636] [2022-10-15 16:46:20,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 16:46:20,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 16:46:20,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 16:46:20,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 16:46:20,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 16:46:20,943 INFO L87 Difference]: Start difference. First operand has 17 states, 10 states have (on average 1.7) internal successors, (17), 16 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 16:46:20,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 16:46:20,987 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2022-10-15 16:46:20,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 16:46:20,993 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-10-15 16:46:20,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 16:46:21,006 INFO L225 Difference]: With dead ends: 15 [2022-10-15 16:46:21,006 INFO L226 Difference]: Without dead ends: 13 [2022-10-15 16:46:21,010 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 16:46:21,016 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 7 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 16:46:21,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 11 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 16:46:21,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-10-15 16:46:21,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-10-15 16:46:21,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 12 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 16:46:21,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2022-10-15 16:46:21,070 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 3 [2022-10-15 16:46:21,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 16:46:21,070 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2022-10-15 16:46:21,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 16:46:21,074 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2022-10-15 16:46:21,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-15 16:46:21,075 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 16:46:21,075 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-10-15 16:46:21,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 16:46:21,076 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2022-10-15 16:46:21,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 16:46:21,081 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-10-15 16:46:21,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 16:46:21,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236050141] [2022-10-15 16:46:21,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:46:21,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 16:46:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 16:46:21,298 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 16:46:21,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 16:46:21,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236050141] [2022-10-15 16:46:21,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236050141] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 16:46:21,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 16:46:21,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 16:46:21,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815704287] [2022-10-15 16:46:21,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 16:46:21,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 16:46:21,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 16:46:21,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 16:46:21,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 16:46:21,304 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 16:46:21,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 16:46:21,319 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2022-10-15 16:46:21,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 16:46:21,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2022-10-15 16:46:21,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 16:46:21,321 INFO L225 Difference]: With dead ends: 11 [2022-10-15 16:46:21,321 INFO L226 Difference]: Without dead ends: 11 [2022-10-15 16:46:21,322 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 16:46:21,324 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 5 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 16:46:21,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 9 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 16:46:21,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-10-15 16:46:21,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2022-10-15 16:46:21,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 10 states have internal predecessors, (10), 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 16:46:21,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 10 transitions. [2022-10-15 16:46:21,329 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 10 transitions. Word has length 3 [2022-10-15 16:46:21,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 16:46:21,329 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 10 transitions. [2022-10-15 16:46:21,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 16:46:21,330 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2022-10-15 16:46:21,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-15 16:46:21,330 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 16:46:21,331 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-10-15 16:46:21,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 16:46:21,331 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 3 more)] === [2022-10-15 16:46:21,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 16:46:21,333 INFO L85 PathProgramCache]: Analyzing trace with hash 889446215, now seen corresponding path program 1 times [2022-10-15 16:46:21,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 16:46:21,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393067896] [2022-10-15 16:46:21,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 16:46:21,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 16:46:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-15 16:46:21,356 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-15 16:46:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-15 16:46:21,420 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-15 16:46:21,421 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-15 16:46:21,424 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining) [2022-10-15 16:46:21,430 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 6 remaining) [2022-10-15 16:46:21,431 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 6 remaining) [2022-10-15 16:46:21,431 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 6 remaining) [2022-10-15 16:46:21,431 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 6 remaining) [2022-10-15 16:46:21,432 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (0 of 6 remaining) [2022-10-15 16:46:21,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 16:46:21,443 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-10-15 16:46:21,456 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-15 16:46:21,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 04:46:21 BoogieIcfgContainer [2022-10-15 16:46:21,501 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-15 16:46:21,502 INFO L158 Benchmark]: Toolchain (without parser) took 1936.92ms. Allocated memory is still 164.6MB. Free memory was 138.9MB in the beginning and 117.3MB in the end (delta: 21.6MB). Peak memory consumption was 22.3MB. Max. memory is 8.0GB. [2022-10-15 16:46:21,502 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 164.6MB. Free memory is still 134.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 16:46:21,503 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.01ms. Allocated memory is still 164.6MB. Free memory was 138.7MB in the beginning and 128.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-10-15 16:46:21,503 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.00ms. Allocated memory is still 164.6MB. Free memory was 128.6MB in the beginning and 127.2MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-15 16:46:21,506 INFO L158 Benchmark]: Boogie Preprocessor took 28.28ms. Allocated memory is still 164.6MB. Free memory was 127.2MB in the beginning and 126.0MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-15 16:46:21,507 INFO L158 Benchmark]: RCFGBuilder took 363.03ms. Allocated memory is still 164.6MB. Free memory was 126.0MB in the beginning and 115.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-10-15 16:46:21,508 INFO L158 Benchmark]: TraceAbstraction took 1166.39ms. Allocated memory is still 164.6MB. Free memory was 115.3MB in the beginning and 117.3MB in the end (delta: -2.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-15 16:46:21,515 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 164.6MB. Free memory is still 134.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 316.01ms. Allocated memory is still 164.6MB. Free memory was 138.7MB in the beginning and 128.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.00ms. Allocated memory is still 164.6MB. Free memory was 128.6MB in the beginning and 127.2MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.28ms. Allocated memory is still 164.6MB. Free memory was 127.2MB in the beginning and 126.0MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 363.03ms. Allocated memory is still 164.6MB. Free memory was 126.0MB in the beginning and 115.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 1166.39ms. Allocated memory is still 164.6MB. Free memory was 115.3MB in the beginning and 117.3MB in the end (delta: -2.0MB). 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: 114]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 111, overapproximation of someUnaryDOUBLEoperation at line 122, overapproximation of memtrack at line 114. Possible FailurePath: [L122] CALL f00(-0x1.6b890ep+29, 0x1.6b890ep+29) [L111] float sum = a + b; [L112] union mix m; VAL [\old(a)=2147483656, \old(b)=762388928, a=2147483656, b=762388928, m={3:0}] [L113] m.f = sum VAL [\old(a)=2147483656, \old(b)=762388928, a=2147483656, b=762388928, m={3:0}, sum=2147483657] [L114] EXPR m.i VAL [\old(a)=2147483656, \old(b)=762388928, a=2147483656, b=762388928, m={3:0}, m.i=2147483648, sum=2147483657] [L114] COND TRUE !(m.i != 0x80000000) [L114] reach_error() VAL [\old(a)=2147483656, \old(b)=762388928, a=2147483656, b=762388928, m={3:0}, sum=2147483657] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 119]: 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, 17 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 16 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 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 16:46:21,588 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...