./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-nonlinear/coral-benchmark21.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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-benchmark21.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 37079fa9f01e6b0ffbbd5ec311109c1fa2a30c6c77368aa5132bbdd15ad53dd1 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 13:47:43,474 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 13:47:43,537 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 13:47:43,541 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 13:47:43,542 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 13:47:43,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 13:47:43,568 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 13:47:43,569 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 13:47:43,570 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 13:47:43,573 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 13:47:43,574 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 13:47:43,574 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 13:47:43,575 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 13:47:43,575 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 13:47:43,576 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 13:47:43,576 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 13:47:43,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 13:47:43,576 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 13:47:43,577 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 13:47:43,577 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 13:47:43,577 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 13:47:43,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 13:47:43,580 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 13:47:43,580 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 13:47:43,580 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 13:47:43,581 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 13:47:43,581 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 13:47:43,581 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 13:47:43,581 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 13:47:43,582 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 13:47:43,582 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 13:47:43,582 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 13:47:43,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 13:47:43,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 13:47:43,583 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 13:47:43,585 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 13:47:43,586 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 13:47:43,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 13:47:43,586 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 13:47:43,586 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 13:47:43,586 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 13:47:43,587 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 13:47:43,588 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37079fa9f01e6b0ffbbd5ec311109c1fa2a30c6c77368aa5132bbdd15ad53dd1 [2024-11-08 13:47:43,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 13:47:43,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 13:47:43,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 13:47:43,924 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 13:47:43,925 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 13:47:43,926 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/coral-benchmark21.c [2024-11-08 13:47:45,367 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 13:47:45,533 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 13:47:45,534 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark21.c [2024-11-08 13:47:45,541 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec5210351/1e277482125a408bb2d63e9fc1e29aab/FLAG5da5fcfc0 [2024-11-08 13:47:45,931 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec5210351/1e277482125a408bb2d63e9fc1e29aab [2024-11-08 13:47:45,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 13:47:45,934 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 13:47:45,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 13:47:45,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 13:47:45,942 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 13:47:45,943 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 01:47:45" (1/1) ... [2024-11-08 13:47:45,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d280f21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:45, skipping insertion in model container [2024-11-08 13:47:45,946 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 01:47:45" (1/1) ... [2024-11-08 13:47:45,965 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 13:47:46,139 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-benchmark21.c[758,771] [2024-11-08 13:47:46,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 13:47:46,165 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 13:47:46,178 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-benchmark21.c[758,771] [2024-11-08 13:47:46,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 13:47:46,199 INFO L204 MainTranslator]: Completed translation [2024-11-08 13:47:46,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:46 WrapperNode [2024-11-08 13:47:46,200 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 13:47:46,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 13:47:46,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 13:47:46,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 13:47:46,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:46" (1/1) ... [2024-11-08 13:47:46,215 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:46" (1/1) ... [2024-11-08 13:47:46,233 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-08 13:47:46,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 13:47:46,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 13:47:46,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 13:47:46,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 13:47:46,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:46" (1/1) ... [2024-11-08 13:47:46,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:46" (1/1) ... [2024-11-08 13:47:46,246 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:46" (1/1) ... [2024-11-08 13:47:46,257 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]. [2024-11-08 13:47:46,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:46" (1/1) ... [2024-11-08 13:47:46,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:46" (1/1) ... [2024-11-08 13:47:46,262 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:46" (1/1) ... [2024-11-08 13:47:46,264 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:46" (1/1) ... [2024-11-08 13:47:46,265 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:46" (1/1) ... [2024-11-08 13:47:46,266 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:46" (1/1) ... [2024-11-08 13:47:46,267 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 13:47:46,268 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 13:47:46,268 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 13:47:46,268 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 13:47:46,269 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:46" (1/1) ... [2024-11-08 13:47:46,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 13:47:46,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 13:47:46,301 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) [2024-11-08 13:47:46,308 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 [2024-11-08 13:47:46,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 13:47:46,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 13:47:46,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 13:47:46,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 13:47:46,419 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 13:47:46,430 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 13:47:46,563 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-08 13:47:46,563 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 13:47:46,577 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 13:47:46,578 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 13:47:46,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 01:47:46 BoogieIcfgContainer [2024-11-08 13:47:46,579 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 13:47:46,583 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 13:47:46,583 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 13:47:46,587 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 13:47:46,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 01:47:45" (1/3) ... [2024-11-08 13:47:46,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c2b327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 01:47:46, skipping insertion in model container [2024-11-08 13:47:46,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:46" (2/3) ... [2024-11-08 13:47:46,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c2b327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 01:47:46, skipping insertion in model container [2024-11-08 13:47:46,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 01:47:46" (3/3) ... [2024-11-08 13:47:46,591 INFO L112 eAbstractionObserver]: Analyzing ICFG coral-benchmark21.c [2024-11-08 13:47:46,608 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 13:47:46,608 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 13:47:46,673 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 13:47:46,682 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;@56c68669, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 13:47:46,682 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 13:47:46,687 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) [2024-11-08 13:47:46,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 13:47:46,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 13:47:46,697 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-08 13:47:46,697 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 13:47:46,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 13:47:46,703 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-11-08 13:47:46,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 13:47:46,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478306348] [2024-11-08 13:47:46,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 13:47:46,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 13:47:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 13:47:46,831 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 13:47:46,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 13:47:46,867 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 13:47:46,869 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 13:47:46,871 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 13:47:46,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 13:47:46,877 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 13:47:46,904 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 13:47:46,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 01:47:46 BoogieIcfgContainer [2024-11-08 13:47:46,909 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 13:47:46,912 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 13:47:46,912 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 13:47:46,912 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 13:47:46,913 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 01:47:46" (3/4) ... [2024-11-08 13:47:46,915 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 13:47:46,917 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 13:47:46,919 INFO L158 Benchmark]: Toolchain (without parser) took 984.70ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 77.9MB in the beginning and 115.9MB in the end (delta: -38.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 13:47:46,919 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 130.0MB. Free memory was 94.7MB in the beginning and 94.6MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 13:47:46,920 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.06ms. Allocated memory is still 130.0MB. Free memory was 77.5MB in the beginning and 65.6MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 13:47:46,921 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.55ms. Allocated memory is still 130.0MB. Free memory was 65.6MB in the beginning and 64.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 13:47:46,923 INFO L158 Benchmark]: Boogie Preprocessor took 33.30ms. Allocated memory is still 130.0MB. Free memory was 64.0MB in the beginning and 62.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 13:47:46,924 INFO L158 Benchmark]: RCFGBuilder took 310.77ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 62.5MB in the beginning and 131.6MB in the end (delta: -69.1MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2024-11-08 13:47:46,925 INFO L158 Benchmark]: TraceAbstraction took 326.47ms. Allocated memory is still 163.6MB. Free memory was 130.6MB in the beginning and 116.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 13:47:46,926 INFO L158 Benchmark]: Witness Printer took 6.08ms. Allocated memory is still 163.6MB. Free memory was 116.9MB in the beginning and 115.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 13:47:46,930 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 130.0MB. Free memory was 94.7MB in the beginning and 94.6MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.06ms. Allocated memory is still 130.0MB. Free memory was 77.5MB in the beginning and 65.6MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.55ms. Allocated memory is still 130.0MB. Free memory was 65.6MB in the beginning and 64.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.30ms. Allocated memory is still 130.0MB. Free memory was 64.0MB in the beginning and 62.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 310.77ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 62.5MB in the beginning and 131.6MB in the end (delta: -69.1MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * TraceAbstraction took 326.47ms. Allocated memory is still 163.6MB. Free memory was 130.6MB in the beginning and 116.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 6.08ms. Allocated memory is still 163.6MB. Free memory was 116.9MB in the beginning and 115.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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; [L39] x = __VERIFIER_nondet_double() [L40] y = __VERIFIER_nondet_double() [L41] CALL, EXPR benchmark21(x, y) [L31] COND TRUE cos(x * y) < 0 && sin(2 * x) > 0.25 [L32] return 1; VAL [\result=1] [L41] RET, EXPR benchmark21(x, y) [L41] CALL __VERIFIER_assert(!benchmark21(x, y)) [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 [2024-11-08 13:47:46,968 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 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-benchmark21.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 37079fa9f01e6b0ffbbd5ec311109c1fa2a30c6c77368aa5132bbdd15ad53dd1 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 13:47:49,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 13:47:49,291 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 13:47:49,297 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 13:47:49,298 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 13:47:49,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 13:47:49,331 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 13:47:49,332 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 13:47:49,332 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 13:47:49,334 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 13:47:49,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 13:47:49,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 13:47:49,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 13:47:49,336 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 13:47:49,337 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 13:47:49,338 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 13:47:49,338 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 13:47:49,338 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 13:47:49,339 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 13:47:49,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 13:47:49,343 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 13:47:49,343 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 13:47:49,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 13:47:49,344 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 13:47:49,344 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 13:47:49,344 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 13:47:49,345 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 13:47:49,345 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 13:47:49,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 13:47:49,345 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 13:47:49,346 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 13:47:49,346 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 13:47:49,346 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 13:47:49,346 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 13:47:49,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 13:47:49,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 13:47:49,348 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 13:47:49,349 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 13:47:49,349 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-08 13:47:49,350 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 13:47:49,350 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 13:47:49,351 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 13:47:49,351 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 13:47:49,351 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 13:47:49,351 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37079fa9f01e6b0ffbbd5ec311109c1fa2a30c6c77368aa5132bbdd15ad53dd1 [2024-11-08 13:47:49,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 13:47:49,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 13:47:49,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 13:47:49,707 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 13:47:49,707 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 13:47:49,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/coral-benchmark21.c [2024-11-08 13:47:51,254 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 13:47:51,450 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 13:47:51,451 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark21.c [2024-11-08 13:47:51,458 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f29347ec6/f35209a69f1f4f8cb2237a97c73b6b6e/FLAGdf763f640 [2024-11-08 13:47:51,833 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f29347ec6/f35209a69f1f4f8cb2237a97c73b6b6e [2024-11-08 13:47:51,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 13:47:51,836 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 13:47:51,838 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 13:47:51,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 13:47:51,844 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 13:47:51,844 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 01:47:51" (1/1) ... [2024-11-08 13:47:51,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5daa4457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:51, skipping insertion in model container [2024-11-08 13:47:51,848 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 01:47:51" (1/1) ... [2024-11-08 13:47:51,866 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 13:47:52,042 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-benchmark21.c[758,771] [2024-11-08 13:47:52,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 13:47:52,072 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 13:47:52,084 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-benchmark21.c[758,771] [2024-11-08 13:47:52,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 13:47:52,116 INFO L204 MainTranslator]: Completed translation [2024-11-08 13:47:52,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:52 WrapperNode [2024-11-08 13:47:52,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 13:47:52,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 13:47:52,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 13:47:52,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 13:47:52,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:52" (1/1) ... [2024-11-08 13:47:52,135 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:52" (1/1) ... [2024-11-08 13:47:52,149 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-08 13:47:52,150 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 13:47:52,151 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 13:47:52,151 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 13:47:52,151 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 13:47:52,161 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:52" (1/1) ... [2024-11-08 13:47:52,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:52" (1/1) ... [2024-11-08 13:47:52,163 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:52" (1/1) ... [2024-11-08 13:47:52,173 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]. [2024-11-08 13:47:52,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:52" (1/1) ... [2024-11-08 13:47:52,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:52" (1/1) ... [2024-11-08 13:47:52,179 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:52" (1/1) ... [2024-11-08 13:47:52,181 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:52" (1/1) ... [2024-11-08 13:47:52,182 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:52" (1/1) ... [2024-11-08 13:47:52,183 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:52" (1/1) ... [2024-11-08 13:47:52,185 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 13:47:52,186 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 13:47:52,186 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 13:47:52,186 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 13:47:52,187 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:52" (1/1) ... [2024-11-08 13:47:52,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 13:47:52,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 13:47:52,225 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) [2024-11-08 13:47:52,229 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 [2024-11-08 13:47:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 13:47:52,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 13:47:52,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 13:47:52,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 13:47:52,339 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 13:47:52,341 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 13:47:52,493 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-08 13:47:52,495 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 13:47:52,505 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 13:47:52,507 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 13:47:52,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 01:47:52 BoogieIcfgContainer [2024-11-08 13:47:52,508 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 13:47:52,511 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 13:47:52,512 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 13:47:52,515 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 13:47:52,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 01:47:51" (1/3) ... [2024-11-08 13:47:52,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45af8db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 01:47:52, skipping insertion in model container [2024-11-08 13:47:52,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:52" (2/3) ... [2024-11-08 13:47:52,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45af8db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 01:47:52, skipping insertion in model container [2024-11-08 13:47:52,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 01:47:52" (3/3) ... [2024-11-08 13:47:52,519 INFO L112 eAbstractionObserver]: Analyzing ICFG coral-benchmark21.c [2024-11-08 13:47:52,535 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 13:47:52,536 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 13:47:52,608 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 13:47:52,619 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;@627db0a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 13:47:52,619 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 13:47:52,624 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) [2024-11-08 13:47:52,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 13:47:52,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 13:47:52,632 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-08 13:47:52,633 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 13:47:52,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 13:47:52,637 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-11-08 13:47:52,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 13:47:52,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [445623247] [2024-11-08 13:47:52,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 13:47:52,651 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 [2024-11-08 13:47:52,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 13:47:52,656 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) [2024-11-08 13:47:52,657 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 [2024-11-08 13:47:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 13:47:52,743 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 13:47:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 13:47:52,798 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-08 13:47:52,800 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 13:47:52,801 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 13:47:52,808 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 [2024-11-08 13:47:53,006 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 [2024-11-08 13:47:53,010 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 13:47:53,025 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 13:47:53,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 01:47:53 BoogieIcfgContainer [2024-11-08 13:47:53,028 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 13:47:53,028 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 13:47:53,028 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 13:47:53,029 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 13:47:53,029 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 01:47:52" (3/4) ... [2024-11-08 13:47:53,031 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 13:47:53,032 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 13:47:53,033 INFO L158 Benchmark]: Toolchain (without parser) took 1196.84ms. Allocated memory is still 69.2MB. Free memory was 41.6MB in the beginning and 39.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2024-11-08 13:47:53,034 INFO L158 Benchmark]: CDTParser took 1.01ms. Allocated memory is still 52.4MB. Free memory was 35.6MB in the beginning and 35.5MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 13:47:53,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.91ms. Allocated memory is still 69.2MB. Free memory was 41.4MB in the beginning and 46.4MB in the end (delta: -5.0MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-08 13:47:53,035 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.56ms. Allocated memory is still 69.2MB. Free memory was 46.4MB in the beginning and 44.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 13:47:53,035 INFO L158 Benchmark]: Boogie Preprocessor took 34.57ms. Allocated memory is still 69.2MB. Free memory was 44.9MB in the beginning and 43.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 13:47:53,036 INFO L158 Benchmark]: RCFGBuilder took 322.54ms. Allocated memory is still 69.2MB. Free memory was 43.2MB in the beginning and 33.3MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 13:47:53,036 INFO L158 Benchmark]: TraceAbstraction took 516.90ms. Allocated memory is still 69.2MB. Free memory was 32.5MB in the beginning and 39.6MB in the end (delta: -7.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 13:47:53,036 INFO L158 Benchmark]: Witness Printer took 4.17ms. Allocated memory is still 69.2MB. Free memory was 39.6MB in the beginning and 39.2MB in the end (delta: 325.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 13:47:53,039 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.01ms. Allocated memory is still 52.4MB. Free memory was 35.6MB in the beginning and 35.5MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.91ms. Allocated memory is still 69.2MB. Free memory was 41.4MB in the beginning and 46.4MB in the end (delta: -5.0MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.56ms. Allocated memory is still 69.2MB. Free memory was 46.4MB in the beginning and 44.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.57ms. Allocated memory is still 69.2MB. Free memory was 44.9MB in the beginning and 43.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 322.54ms. Allocated memory is still 69.2MB. Free memory was 43.2MB in the beginning and 33.3MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 516.90ms. Allocated memory is still 69.2MB. Free memory was 32.5MB in the beginning and 39.6MB in the end (delta: -7.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.17ms. Allocated memory is still 69.2MB. Free memory was 39.6MB in the beginning and 39.2MB in the end (delta: 325.2kB). 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; [L39] x = __VERIFIER_nondet_double() [L40] y = __VERIFIER_nondet_double() [L41] CALL, EXPR benchmark21(x, y) [L31] COND TRUE cos(x * y) < 0 && sin(2 * x) > 0.25 [L32] return 1; VAL [\result=1] [L41] RET, EXPR benchmark21(x, y) [L41] CALL __VERIFIER_assert(!benchmark21(x, y)) [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: 0.4s, 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 [2024-11-08 13:47:53,070 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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample