./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-nonlinear/coral-benchmark06.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-nonlinear/coral-benchmark06.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea59b90fa52051393d4aed9cf2948befe2a212f0c55958726915f86b8eab3f63 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 12:58:34,247 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 12:58:34,319 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 12:58:34,323 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 12:58:34,324 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 12:58:34,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 12:58:34,352 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 12:58:34,352 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 12:58:34,353 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 12:58:34,354 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 12:58:34,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 12:58:34,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 12:58:34,355 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 12:58:34,356 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 12:58:34,356 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 12:58:34,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 12:58:34,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 12:58:34,358 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 12:58:34,359 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 12:58:34,359 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 12:58:34,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 12:58:34,360 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 12:58:34,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 12:58:34,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 12:58:34,360 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 12:58:34,361 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 12:58:34,361 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 12:58:34,361 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 12:58:34,361 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 12:58:34,362 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 12:58:34,362 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 12:58:34,362 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 12:58:34,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 12:58:34,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 12:58:34,364 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 12:58:34,364 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 12:58:34,365 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 12:58:34,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 12:58:34,365 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 12:58:34,366 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 12:58:34,366 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 12:58:34,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 12:58:34,366 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea59b90fa52051393d4aed9cf2948befe2a212f0c55958726915f86b8eab3f63 [2024-11-18 12:58:34,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 12:58:34,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 12:58:34,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 12:58:34,659 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 12:58:34,659 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 12:58:34,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/coral-benchmark06.c [2024-11-18 12:58:36,033 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 12:58:36,253 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 12:58:36,253 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark06.c [2024-11-18 12:58:36,262 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34b513244/9074d087a67c4800bcdeb1d0662932c1/FLAG76c4ee436 [2024-11-18 12:58:36,274 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34b513244/9074d087a67c4800bcdeb1d0662932c1 [2024-11-18 12:58:36,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 12:58:36,277 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 12:58:36,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 12:58:36,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 12:58:36,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 12:58:36,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:58:36" (1/1) ... [2024-11-18 12:58:36,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f4399c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:36, skipping insertion in model container [2024-11-18 12:58:36,287 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:58:36" (1/1) ... [2024-11-18 12:58:36,308 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 12:58:36,490 WARN L250 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-nonlinear/coral-benchmark06.c[758,771] [2024-11-18 12:58:36,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 12:58:36,514 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 12:58:36,524 WARN L250 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-nonlinear/coral-benchmark06.c[758,771] [2024-11-18 12:58:36,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 12:58:36,540 INFO L204 MainTranslator]: Completed translation [2024-11-18 12:58:36,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:36 WrapperNode [2024-11-18 12:58:36,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 12:58:36,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 12:58:36,542 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 12:58:36,542 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 12:58:36,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:36" (1/1) ... [2024-11-18 12:58:36,552 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:36" (1/1) ... [2024-11-18 12:58:36,566 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2024-11-18 12:58:36,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 12:58:36,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 12:58:36,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 12:58:36,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 12:58:36,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:36" (1/1) ... [2024-11-18 12:58:36,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:36" (1/1) ... [2024-11-18 12:58:36,580 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:36" (1/1) ... [2024-11-18 12:58:36,588 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-18 12:58:36,588 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:36" (1/1) ... [2024-11-18 12:58:36,589 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:36" (1/1) ... [2024-11-18 12:58:36,591 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:36" (1/1) ... [2024-11-18 12:58:36,593 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:36" (1/1) ... [2024-11-18 12:58:36,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:36" (1/1) ... [2024-11-18 12:58:36,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:36" (1/1) ... [2024-11-18 12:58:36,595 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 12:58:36,596 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 12:58:36,597 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 12:58:36,597 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 12:58:36,597 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:36" (1/1) ... [2024-11-18 12:58:36,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 12:58:36,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 12:58:36,627 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 12:58:36,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 12:58:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 12:58:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 12:58:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 12:58:36,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 12:58:36,730 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 12:58:36,731 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 12:58:36,825 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-18 12:58:36,826 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 12:58:36,835 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 12:58:36,835 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-18 12:58:36,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:58:36 BoogieIcfgContainer [2024-11-18 12:58:36,836 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 12:58:36,838 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 12:58:36,838 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 12:58:36,841 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 12:58:36,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:58:36" (1/3) ... [2024-11-18 12:58:36,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3876e0fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:58:36, skipping insertion in model container [2024-11-18 12:58:36,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:36" (2/3) ... [2024-11-18 12:58:36,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3876e0fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:58:36, skipping insertion in model container [2024-11-18 12:58:36,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:58:36" (3/3) ... [2024-11-18 12:58:36,843 INFO L112 eAbstractionObserver]: Analyzing ICFG coral-benchmark06.c [2024-11-18 12:58:36,859 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 12:58:36,859 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 12:58:36,923 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 12:58:36,931 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@3b199c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 12:58:36,932 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 12:58:36,936 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) 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) [2024-11-18 12:58:36,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-18 12:58:36,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 12:58:36,943 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-18 12:58:36,944 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 12:58:36,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 12:58:36,951 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-11-18 12:58:36,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 12:58:36,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954758990] [2024-11-18 12:58:36,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 12:58:36,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 12:58:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 12:58:37,064 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 12:58:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 12:58:37,094 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 12:58:37,096 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 12:58:37,097 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 12:58:37,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 12:58:37,102 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-18 12:58:37,115 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 12:58:37,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:58:37 BoogieIcfgContainer [2024-11-18 12:58:37,117 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 12:58:37,118 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 12:58:37,118 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 12:58:37,118 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 12:58:37,118 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:58:36" (3/4) ... [2024-11-18 12:58:37,121 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-18 12:58:37,122 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 12:58:37,123 INFO L158 Benchmark]: Toolchain (without parser) took 845.19ms. Allocated memory is still 203.4MB. Free memory was 172.4MB in the beginning and 131.6MB in the end (delta: 40.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-18 12:58:37,123 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory was 86.8MB in the beginning and 86.7MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 12:58:37,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.91ms. Allocated memory is still 203.4MB. Free memory was 172.4MB in the beginning and 160.9MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-18 12:58:37,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.43ms. Allocated memory is still 203.4MB. Free memory was 160.9MB in the beginning and 158.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 12:58:37,125 INFO L158 Benchmark]: Boogie Preprocessor took 27.96ms. Allocated memory is still 203.4MB. Free memory was 158.8MB in the beginning and 157.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 12:58:37,125 INFO L158 Benchmark]: RCFGBuilder took 239.65ms. Allocated memory is still 203.4MB. Free memory was 157.8MB in the beginning and 146.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-18 12:58:37,126 INFO L158 Benchmark]: TraceAbstraction took 278.92ms. Allocated memory is still 203.4MB. Free memory was 146.3MB in the beginning and 131.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-18 12:58:37,126 INFO L158 Benchmark]: Witness Printer took 4.35ms. Allocated memory is still 203.4MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 12:58:37,128 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory was 86.8MB in the beginning and 86.7MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.91ms. Allocated memory is still 203.4MB. Free memory was 172.4MB in the beginning and 160.9MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.43ms. Allocated memory is still 203.4MB. Free memory was 160.9MB in the beginning and 158.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.96ms. Allocated memory is still 203.4MB. Free memory was 158.8MB in the beginning and 157.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 239.65ms. Allocated memory is still 203.4MB. Free memory was 157.8MB in the beginning and 146.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 278.92ms. Allocated memory is still 203.4MB. Free memory was 146.3MB in the beginning and 131.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.35ms. Allocated memory is still 203.4MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 22]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 31. Possible FailurePath: [L38] double x, y, z; [L39] x = __VERIFIER_nondet_double() [L40] y = __VERIFIER_nondet_double() [L41] z = __VERIFIER_nondet_double() [L42] CALL, EXPR benchmark06(x, y, z) [L31] COND TRUE cos(x) + cos(y) + cos(z) > 4 * sin(x/2) * sin(y/2) * sin(z/2) [L32] return 1; VAL [\result=1] [L42] RET, EXPR benchmark06(x, y, z) [L42] CALL __VERIFIER_assert(!benchmark06(x, y, z)) [L20] COND TRUE !(cond) [L22] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2024-11-18 12:58:37,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-nonlinear/coral-benchmark06.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea59b90fa52051393d4aed9cf2948befe2a212f0c55958726915f86b8eab3f63 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 12:58:39,279 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 12:58:39,364 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-18 12:58:39,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 12:58:39,371 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 12:58:39,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 12:58:39,408 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 12:58:39,408 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 12:58:39,409 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 12:58:39,412 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 12:58:39,413 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 12:58:39,413 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 12:58:39,414 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 12:58:39,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 12:58:39,414 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 12:58:39,415 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 12:58:39,415 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 12:58:39,415 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 12:58:39,416 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 12:58:39,418 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 12:58:39,421 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 12:58:39,421 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 12:58:39,421 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 12:58:39,422 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-18 12:58:39,422 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-18 12:58:39,422 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 12:58:39,422 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-18 12:58:39,423 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 12:58:39,423 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 12:58:39,423 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 12:58:39,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 12:58:39,424 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 12:58:39,426 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 12:58:39,426 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 12:58:39,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 12:58:39,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 12:58:39,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 12:58:39,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 12:58:39,427 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-18 12:58:39,428 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-18 12:58:39,428 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 12:58:39,429 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 12:58:39,429 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 12:58:39,429 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 12:58:39,429 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea59b90fa52051393d4aed9cf2948befe2a212f0c55958726915f86b8eab3f63 [2024-11-18 12:58:39,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 12:58:39,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 12:58:39,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 12:58:39,799 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 12:58:39,800 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 12:58:39,801 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/coral-benchmark06.c [2024-11-18 12:58:41,161 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 12:58:41,353 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 12:58:41,354 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark06.c [2024-11-18 12:58:41,363 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/649ab7c17/65abdb98ab944e84836c3d587033de28/FLAG2a4e5620f [2024-11-18 12:58:41,382 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/649ab7c17/65abdb98ab944e84836c3d587033de28 [2024-11-18 12:58:41,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 12:58:41,386 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 12:58:41,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 12:58:41,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 12:58:41,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 12:58:41,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:58:41" (1/1) ... [2024-11-18 12:58:41,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c678fe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:41, skipping insertion in model container [2024-11-18 12:58:41,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:58:41" (1/1) ... [2024-11-18 12:58:41,420 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 12:58:41,617 WARN L250 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-nonlinear/coral-benchmark06.c[758,771] [2024-11-18 12:58:41,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 12:58:41,645 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 12:58:41,658 WARN L250 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-nonlinear/coral-benchmark06.c[758,771] [2024-11-18 12:58:41,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 12:58:41,681 INFO L204 MainTranslator]: Completed translation [2024-11-18 12:58:41,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:41 WrapperNode [2024-11-18 12:58:41,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 12:58:41,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 12:58:41,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 12:58:41,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 12:58:41,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:41" (1/1) ... [2024-11-18 12:58:41,701 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:41" (1/1) ... [2024-11-18 12:58:41,718 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2024-11-18 12:58:41,718 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 12:58:41,719 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 12:58:41,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 12:58:41,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 12:58:41,730 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:41" (1/1) ... [2024-11-18 12:58:41,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:41" (1/1) ... [2024-11-18 12:58:41,734 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:41" (1/1) ... [2024-11-18 12:58:41,750 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-18 12:58:41,751 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:41" (1/1) ... [2024-11-18 12:58:41,751 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:41" (1/1) ... [2024-11-18 12:58:41,756 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:41" (1/1) ... [2024-11-18 12:58:41,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:41" (1/1) ... [2024-11-18 12:58:41,759 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:41" (1/1) ... [2024-11-18 12:58:41,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:41" (1/1) ... [2024-11-18 12:58:41,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 12:58:41,766 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 12:58:41,766 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 12:58:41,770 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 12:58:41,771 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:41" (1/1) ... [2024-11-18 12:58:41,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 12:58:41,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 12:58:41,803 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 12:58:41,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 12:58:41,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 12:58:41,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-18 12:58:41,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 12:58:41,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 12:58:41,909 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 12:58:41,912 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 12:58:50,231 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-18 12:58:50,231 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 12:58:50,242 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 12:58:50,244 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-18 12:58:50,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:58:50 BoogieIcfgContainer [2024-11-18 12:58:50,245 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 12:58:50,247 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 12:58:50,247 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 12:58:50,250 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 12:58:50,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:58:41" (1/3) ... [2024-11-18 12:58:50,252 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c06303d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:58:50, skipping insertion in model container [2024-11-18 12:58:50,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:41" (2/3) ... [2024-11-18 12:58:50,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c06303d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:58:50, skipping insertion in model container [2024-11-18 12:58:50,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:58:50" (3/3) ... [2024-11-18 12:58:50,254 INFO L112 eAbstractionObserver]: Analyzing ICFG coral-benchmark06.c [2024-11-18 12:58:50,270 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 12:58:50,271 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 12:58:50,317 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 12:58:50,324 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@5835696, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 12:58:50,325 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 12:58:50,328 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) 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) [2024-11-18 12:58:50,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-18 12:58:50,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 12:58:50,335 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-18 12:58:50,335 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 12:58:50,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 12:58:50,343 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-11-18 12:58:50,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 12:58:50,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [713549983] [2024-11-18 12:58:50,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 12:58:50,352 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 12:58:50,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 12:58:50,355 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-18 12:58:50,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-18 12:58:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 12:58:50,898 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 12:58:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 12:58:51,593 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-18 12:58:51,594 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 12:58:51,595 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 12:58:51,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-18 12:58:51,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-18 12:58:51,801 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-18 12:58:51,816 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 12:58:51,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:58:51 BoogieIcfgContainer [2024-11-18 12:58:51,819 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 12:58:51,820 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 12:58:51,820 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 12:58:51,822 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 12:58:51,822 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:58:50" (3/4) ... [2024-11-18 12:58:51,825 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-18 12:58:51,826 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 12:58:51,826 INFO L158 Benchmark]: Toolchain (without parser) took 10440.97ms. Allocated memory is still 75.5MB. Free memory was 44.8MB in the beginning and 49.2MB in the end (delta: -4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 12:58:51,827 INFO L158 Benchmark]: CDTParser took 0.96ms. Allocated memory is still 54.5MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 12:58:51,827 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.31ms. Allocated memory is still 75.5MB. Free memory was 44.6MB in the beginning and 52.2MB in the end (delta: -7.6MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-11-18 12:58:51,828 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.24ms. Allocated memory is still 75.5MB. Free memory was 52.2MB in the beginning and 50.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 12:58:51,831 INFO L158 Benchmark]: Boogie Preprocessor took 46.42ms. Allocated memory is still 75.5MB. Free memory was 50.4MB in the beginning and 48.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 12:58:51,832 INFO L158 Benchmark]: RCFGBuilder took 8478.75ms. Allocated memory is still 75.5MB. Free memory was 48.7MB in the beginning and 38.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-18 12:58:51,832 INFO L158 Benchmark]: TraceAbstraction took 1571.97ms. Allocated memory is still 75.5MB. Free memory was 37.5MB in the beginning and 49.6MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 12:58:51,833 INFO L158 Benchmark]: Witness Printer took 5.57ms. Allocated memory is still 75.5MB. Free memory was 49.6MB in the beginning and 49.2MB in the end (delta: 410.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 12:58:51,836 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96ms. Allocated memory is still 54.5MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.31ms. Allocated memory is still 75.5MB. Free memory was 44.6MB in the beginning and 52.2MB in the end (delta: -7.6MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.24ms. Allocated memory is still 75.5MB. Free memory was 52.2MB in the beginning and 50.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.42ms. Allocated memory is still 75.5MB. Free memory was 50.4MB in the beginning and 48.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 8478.75ms. Allocated memory is still 75.5MB. Free memory was 48.7MB in the beginning and 38.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1571.97ms. Allocated memory is still 75.5MB. Free memory was 37.5MB in the beginning and 49.6MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.57ms. Allocated memory is still 75.5MB. Free memory was 49.6MB in the beginning and 49.2MB in the end (delta: 410.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 22]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of sin at line 31. Possible FailurePath: [L38] double x, y, z; [L39] x = __VERIFIER_nondet_double() [L40] y = __VERIFIER_nondet_double() [L41] z = __VERIFIER_nondet_double() [L42] CALL, EXPR benchmark06(x, y, z) [L31] COND TRUE cos(x) + cos(y) + cos(z) > 4 * sin(x/2) * sin(y/2) * sin(z/2) [L32] return 1; VAL [\result=1] [L42] RET, EXPR benchmark06(x, y, z) [L42] CALL __VERIFIER_assert(!benchmark06(x, y, z)) [L20] COND TRUE !(cond) [L22] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2024-11-18 12:58:51,949 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample