./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 c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-nonlinear/coral-benchmark21.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 0.3.0-?-c00e63d-m [2025-02-05 14:29:02,484 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 14:29:02,530 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 14:29:02,533 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 14:29:02,533 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 14:29:02,551 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 14:29:02,552 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 14:29:02,552 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 14:29:02,552 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 14:29:02,552 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 14:29:02,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 14:29:02,554 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 14:29:02,554 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 14:29:02,554 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 14:29:02,554 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 14:29:02,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 14:29:02,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 14:29:02,554 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 14:29:02,555 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 14:29:02,555 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 14:29:02,555 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 14:29:02,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 14:29:02,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 14:29:02,555 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 14:29:02,555 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 14:29:02,555 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 14:29:02,555 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 14:29:02,555 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 14:29:02,555 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 14:29:02,555 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 14:29:02,555 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 14:29:02,555 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 14:29:02,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 14:29:02,555 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 14:29:02,555 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 14:29:02,555 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 14:29:02,555 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 14:29:02,556 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 14:29:02,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 14:29:02,556 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 14:29:02,556 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 14:29:02,556 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 14:29:02,556 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 14:29:02,556 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 [2025-02-05 14:29:02,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 14:29:02,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 14:29:02,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 14:29:02,723 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 14:29:02,723 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 14:29:02,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/coral-benchmark21.c [2025-02-05 14:29:03,763 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a401b0822/4281ae5c7fdc4392bb74186376c312a1/FLAG11537ec52 [2025-02-05 14:29:03,952 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 14:29:03,954 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark21.c [2025-02-05 14:29:03,971 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a401b0822/4281ae5c7fdc4392bb74186376c312a1/FLAG11537ec52 [2025-02-05 14:29:04,327 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a401b0822/4281ae5c7fdc4392bb74186376c312a1 [2025-02-05 14:29:04,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 14:29:04,330 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 14:29:04,331 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 14:29:04,331 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 14:29:04,334 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 14:29:04,335 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 02:29:04" (1/1) ... [2025-02-05 14:29:04,336 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d81e1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:04, skipping insertion in model container [2025-02-05 14:29:04,336 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 02:29:04" (1/1) ... [2025-02-05 14:29:04,345 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 14:29:04,442 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark21.c[758,771] [2025-02-05 14:29:04,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 14:29:04,457 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 14:29:04,464 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark21.c[758,771] [2025-02-05 14:29:04,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 14:29:04,475 INFO L204 MainTranslator]: Completed translation [2025-02-05 14:29:04,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:04 WrapperNode [2025-02-05 14:29:04,476 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 14:29:04,477 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 14:29:04,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 14:29:04,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 14:29:04,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:04" (1/1) ... [2025-02-05 14:29:04,485 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:04" (1/1) ... [2025-02-05 14:29:04,494 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2025-02-05 14:29:04,495 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 14:29:04,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 14:29:04,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 14:29:04,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 14:29:04,500 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:04" (1/1) ... [2025-02-05 14:29:04,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:04" (1/1) ... [2025-02-05 14:29:04,502 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:04" (1/1) ... [2025-02-05 14:29:04,507 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]. [2025-02-05 14:29:04,509 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:04" (1/1) ... [2025-02-05 14:29:04,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:04" (1/1) ... [2025-02-05 14:29:04,511 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:04" (1/1) ... [2025-02-05 14:29:04,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:04" (1/1) ... [2025-02-05 14:29:04,513 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:04" (1/1) ... [2025-02-05 14:29:04,516 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:04" (1/1) ... [2025-02-05 14:29:04,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 14:29:04,517 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 14:29:04,517 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 14:29:04,517 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 14:29:04,518 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:04" (1/1) ... [2025-02-05 14:29:04,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 14:29:04,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 14:29:04,546 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 14:29:04,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 14:29:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 14:29:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 14:29:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 14:29:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 14:29:04,612 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 14:29:04,613 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 14:29:04,682 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2025-02-05 14:29:04,682 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 14:29:04,691 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 14:29:04,694 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 14:29:04,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 02:29:04 BoogieIcfgContainer [2025-02-05 14:29:04,694 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 14:29:04,697 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 14:29:04,697 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 14:29:04,701 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 14:29:04,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 02:29:04" (1/3) ... [2025-02-05 14:29:04,701 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4502dbe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 02:29:04, skipping insertion in model container [2025-02-05 14:29:04,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:04" (2/3) ... [2025-02-05 14:29:04,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4502dbe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 02:29:04, skipping insertion in model container [2025-02-05 14:29:04,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 02:29:04" (3/3) ... [2025-02-05 14:29:04,704 INFO L128 eAbstractionObserver]: Analyzing ICFG coral-benchmark21.c [2025-02-05 14:29:04,715 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 14:29:04,717 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG coral-benchmark21.c that has 1 procedures, 11 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-05 14:29:04,755 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 14:29:04,763 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;@10be06a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 14:29:04,763 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 14:29:04,766 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) [2025-02-05 14:29:04,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-05 14:29:04,770 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 14:29:04,771 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-05 14:29:04,771 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 14:29:04,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 14:29:04,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1300623357, now seen corresponding path program 1 times [2025-02-05 14:29:04,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 14:29:04,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608565966] [2025-02-05 14:29:04,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 14:29:04,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 14:29:04,827 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-05 14:29:04,839 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-05 14:29:04,840 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 14:29:04,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 14:29:04,840 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-05 14:29:04,848 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-05 14:29:04,855 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-05 14:29:04,856 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 14:29:04,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 14:29:04,866 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-05 14:29:04,868 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-05 14:29:04,868 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-05 14:29:04,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-05 14:29:04,873 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-05 14:29:04,883 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 14:29:04,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 02:29:04 BoogieIcfgContainer [2025-02-05 14:29:04,886 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 14:29:04,886 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 14:29:04,886 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 14:29:04,886 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 14:29:04,887 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 02:29:04" (3/4) ... [2025-02-05 14:29:04,888 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-05 14:29:04,889 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 14:29:04,890 INFO L158 Benchmark]: Toolchain (without parser) took 559.66ms. Allocated memory is still 167.8MB. Free memory was 124.4MB in the beginning and 88.6MB in the end (delta: 35.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-05 14:29:04,890 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 14:29:04,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 145.56ms. Allocated memory is still 167.8MB. Free memory was 124.4MB in the beginning and 113.8MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 14:29:04,891 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.73ms. Allocated memory is still 167.8MB. Free memory was 113.8MB in the beginning and 111.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 14:29:04,891 INFO L158 Benchmark]: Boogie Preprocessor took 21.52ms. Allocated memory is still 167.8MB. Free memory was 111.9MB in the beginning and 111.0MB in the end (delta: 914.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 14:29:04,891 INFO L158 Benchmark]: IcfgBuilder took 177.26ms. Allocated memory is still 167.8MB. Free memory was 111.0MB in the beginning and 100.7MB in the end (delta: 10.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-05 14:29:04,891 INFO L158 Benchmark]: TraceAbstraction took 188.99ms. Allocated memory is still 167.8MB. Free memory was 100.7MB in the beginning and 88.6MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 14:29:04,891 INFO L158 Benchmark]: Witness Printer took 3.03ms. Allocated memory is still 167.8MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 14:29:04,892 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 145.56ms. Allocated memory is still 167.8MB. Free memory was 124.4MB in the beginning and 113.8MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 17.73ms. Allocated memory is still 167.8MB. Free memory was 113.8MB in the beginning and 111.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.52ms. Allocated memory is still 167.8MB. Free memory was 111.9MB in the beginning and 111.0MB in the end (delta: 914.8kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 177.26ms. Allocated memory is still 167.8MB. Free memory was 111.0MB in the beginning and 100.7MB in the end (delta: 10.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 188.99ms. Allocated memory is still 167.8MB. Free memory was 100.7MB in the beginning and 88.6MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.03ms. Allocated memory is still 167.8MB. Free memory is still 88.6MB. 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; [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: 0.1s, 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-02-05 14:29:04,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-nonlinear/coral-benchmark21.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 0.3.0-?-c00e63d-m [2025-02-05 14:29:06,931 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 14:29:06,998 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-05 14:29:07,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 14:29:07,006 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 14:29:07,055 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 14:29:07,056 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 14:29:07,056 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 14:29:07,056 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 14:29:07,056 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 14:29:07,056 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 14:29:07,056 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 14:29:07,057 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 14:29:07,057 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 14:29:07,057 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 14:29:07,057 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 14:29:07,057 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 14:29:07,057 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 14:29:07,057 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 14:29:07,057 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 14:29:07,057 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 14:29:07,057 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 14:29:07,057 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 14:29:07,057 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-05 14:29:07,057 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-05 14:29:07,057 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-05 14:29:07,062 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 14:29:07,062 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 14:29:07,062 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 14:29:07,062 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 14:29:07,062 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 14:29:07,062 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 14:29:07,062 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 14:29:07,062 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 14:29:07,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 14:29:07,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 14:29:07,062 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 14:29:07,062 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 14:29:07,062 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 14:29:07,062 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-05 14:29:07,062 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-05 14:29:07,062 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 14:29:07,063 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 14:29:07,063 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 14:29:07,063 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 14:29:07,063 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 [2025-02-05 14:29:07,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 14:29:07,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 14:29:07,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 14:29:07,304 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 14:29:07,304 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 14:29:07,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/coral-benchmark21.c [2025-02-05 14:29:08,503 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dcc523677/a09d77af05be42a991e2757ba005db4d/FLAGb16bd8de1 [2025-02-05 14:29:08,710 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 14:29:08,710 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark21.c [2025-02-05 14:29:08,715 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dcc523677/a09d77af05be42a991e2757ba005db4d/FLAGb16bd8de1 [2025-02-05 14:29:08,725 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dcc523677/a09d77af05be42a991e2757ba005db4d [2025-02-05 14:29:08,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 14:29:08,728 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 14:29:08,729 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 14:29:08,729 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 14:29:08,732 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 14:29:08,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 02:29:08" (1/1) ... [2025-02-05 14:29:08,733 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a4b2b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:08, skipping insertion in model container [2025-02-05 14:29:08,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 02:29:08" (1/1) ... [2025-02-05 14:29:08,741 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 14:29:08,840 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark21.c[758,771] [2025-02-05 14:29:08,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 14:29:08,859 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 14:29:08,866 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark21.c[758,771] [2025-02-05 14:29:08,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 14:29:08,881 INFO L204 MainTranslator]: Completed translation [2025-02-05 14:29:08,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:08 WrapperNode [2025-02-05 14:29:08,882 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 14:29:08,883 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 14:29:08,883 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 14:29:08,883 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 14:29:08,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:08" (1/1) ... [2025-02-05 14:29:08,893 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:08" (1/1) ... [2025-02-05 14:29:08,904 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2025-02-05 14:29:08,905 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 14:29:08,905 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 14:29:08,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 14:29:08,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 14:29:08,909 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:08" (1/1) ... [2025-02-05 14:29:08,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:08" (1/1) ... [2025-02-05 14:29:08,911 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:08" (1/1) ... [2025-02-05 14:29:08,918 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]. [2025-02-05 14:29:08,918 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:08" (1/1) ... [2025-02-05 14:29:08,919 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:08" (1/1) ... [2025-02-05 14:29:08,923 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:08" (1/1) ... [2025-02-05 14:29:08,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:08" (1/1) ... [2025-02-05 14:29:08,927 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:08" (1/1) ... [2025-02-05 14:29:08,928 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:08" (1/1) ... [2025-02-05 14:29:08,929 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 14:29:08,933 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 14:29:08,933 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 14:29:08,933 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 14:29:08,933 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:08" (1/1) ... [2025-02-05 14:29:08,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 14:29:08,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 14:29:08,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 14:29:08,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 14:29:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 14:29:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-05 14:29:08,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 14:29:08,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 14:29:09,021 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 14:29:09,022 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 14:29:09,085 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2025-02-05 14:29:09,085 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 14:29:09,091 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 14:29:09,091 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 14:29:09,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 02:29:09 BoogieIcfgContainer [2025-02-05 14:29:09,092 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 14:29:09,094 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 14:29:09,094 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 14:29:09,097 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 14:29:09,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 02:29:08" (1/3) ... [2025-02-05 14:29:09,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5a203e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 02:29:09, skipping insertion in model container [2025-02-05 14:29:09,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 02:29:08" (2/3) ... [2025-02-05 14:29:09,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5a203e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 02:29:09, skipping insertion in model container [2025-02-05 14:29:09,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 02:29:09" (3/3) ... [2025-02-05 14:29:09,100 INFO L128 eAbstractionObserver]: Analyzing ICFG coral-benchmark21.c [2025-02-05 14:29:09,110 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 14:29:09,112 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG coral-benchmark21.c that has 1 procedures, 11 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-05 14:29:09,149 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 14:29:09,159 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;@53213658, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 14:29:09,159 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 14:29:09,163 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) [2025-02-05 14:29:09,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-05 14:29:09,166 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 14:29:09,166 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-05 14:29:09,167 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 14:29:09,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 14:29:09,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1300623357, now seen corresponding path program 1 times [2025-02-05 14:29:09,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 14:29:09,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [371343787] [2025-02-05 14:29:09,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 14:29:09,179 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 [2025-02-05 14:29:09,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 14:29:09,182 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/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) [2025-02-05 14:29:09,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-02-05 14:29:09,231 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-05 14:29:09,243 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-05 14:29:09,244 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 14:29:09,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 14:29:09,244 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-05 14:29:09,253 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-05 14:29:09,262 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-05 14:29:09,262 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 14:29:09,262 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 14:29:09,283 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-02-05 14:29:09,284 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-05 14:29:09,285 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-05 14:29:09,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-02-05 14:29:09,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/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 [2025-02-05 14:29:09,495 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-05 14:29:09,509 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 14:29:09,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 02:29:09 BoogieIcfgContainer [2025-02-05 14:29:09,511 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 14:29:09,511 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 14:29:09,511 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 14:29:09,511 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 14:29:09,512 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 02:29:09" (3/4) ... [2025-02-05 14:29:09,513 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-05 14:29:09,514 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 14:29:09,514 INFO L158 Benchmark]: Toolchain (without parser) took 786.80ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 79.4MB in the end (delta: 36.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-05 14:29:09,515 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 117.4MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 14:29:09,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 154.00ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 104.6MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 14:29:09,515 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.62ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 103.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 14:29:09,515 INFO L158 Benchmark]: Boogie Preprocessor took 27.13ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 102.2MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 14:29:09,516 INFO L158 Benchmark]: IcfgBuilder took 159.18ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 91.8MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 14:29:09,516 INFO L158 Benchmark]: TraceAbstraction took 416.95ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 79.6MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 14:29:09,516 INFO L158 Benchmark]: Witness Printer took 2.75ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 14:29:09,517 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 117.4MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 154.00ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 104.6MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.62ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 103.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.13ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 102.2MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 159.18ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 91.8MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 416.95ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 79.6MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 2.75ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-02-05 14:29:09,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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