./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-nonlinear/coral-benchmark02.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-benchmark02.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 3016d655e7755a562aebc586ed3f8f70991c78b3a3c61f341f323350496064ae --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 13:47:29,944 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 13:47:30,007 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 13:47:30,014 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 13:47:30,016 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 13:47:30,048 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 13:47:30,050 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 13:47:30,051 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 13:47:30,051 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 13:47:30,052 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 13:47:30,052 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 13:47:30,053 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 13:47:30,053 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 13:47:30,056 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 13:47:30,057 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 13:47:30,057 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 13:47:30,057 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 13:47:30,057 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 13:47:30,058 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 13:47:30,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 13:47:30,058 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 13:47:30,061 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 13:47:30,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 13:47:30,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 13:47:30,061 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 13:47:30,062 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 13:47:30,062 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 13:47:30,062 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 13:47:30,062 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 13:47:30,063 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 13:47:30,063 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 13:47:30,063 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 13:47:30,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 13:47:30,063 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 13:47:30,064 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 13:47:30,064 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 13:47:30,064 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 13:47:30,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 13:47:30,064 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 13:47:30,065 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 13:47:30,065 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 13:47:30,066 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 13:47:30,066 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3016d655e7755a562aebc586ed3f8f70991c78b3a3c61f341f323350496064ae [2024-11-08 13:47:30,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 13:47:30,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 13:47:30,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 13:47:30,395 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 13:47:30,396 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 13:47:30,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c [2024-11-08 13:47:31,824 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 13:47:32,024 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 13:47:32,024 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c [2024-11-08 13:47:32,032 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5dc68b10/156a054c8c5447bcbfe19db85068838c/FLAG87fa93f97 [2024-11-08 13:47:32,416 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5dc68b10/156a054c8c5447bcbfe19db85068838c [2024-11-08 13:47:32,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 13:47:32,420 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 13:47:32,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 13:47:32,424 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 13:47:32,430 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 13:47:32,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 01:47:32" (1/1) ... [2024-11-08 13:47:32,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@202592ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:32, skipping insertion in model container [2024-11-08 13:47:32,433 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 01:47:32" (1/1) ... [2024-11-08 13:47:32,454 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 13:47:32,626 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-benchmark02.c[758,771] [2024-11-08 13:47:32,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 13:47:32,653 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 13:47:32,666 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-benchmark02.c[758,771] [2024-11-08 13:47:32,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 13:47:32,687 INFO L204 MainTranslator]: Completed translation [2024-11-08 13:47:32,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:32 WrapperNode [2024-11-08 13:47:32,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 13:47:32,693 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 13:47:32,693 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 13:47:32,693 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 13:47:32,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:32" (1/1) ... [2024-11-08 13:47:32,709 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:32" (1/1) ... [2024-11-08 13:47:32,724 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-08 13:47:32,725 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 13:47:32,726 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 13:47:32,726 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 13:47:32,726 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 13:47:32,735 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:32" (1/1) ... [2024-11-08 13:47:32,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:32" (1/1) ... [2024-11-08 13:47:32,736 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:32" (1/1) ... [2024-11-08 13:47:32,757 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 13:47:32,757 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:32" (1/1) ... [2024-11-08 13:47:32,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:32" (1/1) ... [2024-11-08 13:47:32,768 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:32" (1/1) ... [2024-11-08 13:47:32,771 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:32" (1/1) ... [2024-11-08 13:47:32,771 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:32" (1/1) ... [2024-11-08 13:47:32,772 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:32" (1/1) ... [2024-11-08 13:47:32,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 13:47:32,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 13:47:32,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 13:47:32,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 13:47:32,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:32" (1/1) ... [2024-11-08 13:47:32,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 13:47:32,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 13:47:32,817 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 13:47:32,822 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 13:47:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 13:47:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 13:47:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 13:47:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 13:47:32,946 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 13:47:32,948 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 13:47:33,028 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-08 13:47:33,028 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 13:47:33,040 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 13:47:33,041 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 13:47:33,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 01:47:33 BoogieIcfgContainer [2024-11-08 13:47:33,042 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 13:47:33,044 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 13:47:33,044 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 13:47:33,065 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 13:47:33,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 01:47:32" (1/3) ... [2024-11-08 13:47:33,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16a8eda1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 01:47:33, skipping insertion in model container [2024-11-08 13:47:33,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:32" (2/3) ... [2024-11-08 13:47:33,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16a8eda1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 01:47:33, skipping insertion in model container [2024-11-08 13:47:33,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 01:47:33" (3/3) ... [2024-11-08 13:47:33,068 INFO L112 eAbstractionObserver]: Analyzing ICFG coral-benchmark02.c [2024-11-08 13:47:33,107 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 13:47:33,109 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 13:47:33,164 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 13:47:33,170 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;@5e7f9924, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 13:47:33,171 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 13:47:33,174 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 13:47:33,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 13:47:33,178 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 13:47:33,179 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-08 13:47:33,179 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 13:47:33,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 13:47:33,184 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-11-08 13:47:33,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 13:47:33,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16240005] [2024-11-08 13:47:33,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 13:47:33,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 13:47:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 13:47:33,314 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 13:47:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 13:47:33,359 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 13:47:33,361 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 13:47:33,363 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 13:47:33,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 13:47:33,369 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 13:47:33,388 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 13:47:33,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 01:47:33 BoogieIcfgContainer [2024-11-08 13:47:33,394 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 13:47:33,394 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 13:47:33,396 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 13:47:33,396 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 13:47:33,397 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 01:47:33" (3/4) ... [2024-11-08 13:47:33,399 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 13:47:33,400 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 13:47:33,403 INFO L158 Benchmark]: Toolchain (without parser) took 981.81ms. Allocated memory is still 153.1MB. Free memory was 119.6MB in the beginning and 108.0MB in the end (delta: 11.6MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-11-08 13:47:33,403 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory was 79.2MB in the beginning and 79.0MB in the end (delta: 169.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 13:47:33,404 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.42ms. Allocated memory is still 153.1MB. Free memory was 119.6MB in the beginning and 107.7MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 13:47:33,405 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.27ms. Allocated memory is still 153.1MB. Free memory was 107.7MB in the beginning and 106.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 13:47:33,405 INFO L158 Benchmark]: Boogie Preprocessor took 47.94ms. Allocated memory is still 153.1MB. Free memory was 106.4MB in the beginning and 104.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 13:47:33,406 INFO L158 Benchmark]: RCFGBuilder took 267.14ms. Allocated memory is still 153.1MB. Free memory was 104.3MB in the beginning and 95.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 13:47:33,407 INFO L158 Benchmark]: TraceAbstraction took 349.93ms. Allocated memory is still 153.1MB. Free memory was 93.8MB in the beginning and 108.4MB in the end (delta: -14.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 13:47:33,408 INFO L158 Benchmark]: Witness Printer took 7.06ms. Allocated memory is still 153.1MB. Free memory was 108.4MB in the beginning and 108.0MB in the end (delta: 396.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 13:47:33,410 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory was 79.2MB in the beginning and 79.0MB in the end (delta: 169.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.42ms. Allocated memory is still 153.1MB. Free memory was 119.6MB in the beginning and 107.7MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.27ms. Allocated memory is still 153.1MB. Free memory was 107.7MB in the beginning and 106.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.94ms. Allocated memory is still 153.1MB. Free memory was 106.4MB in the beginning and 104.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 267.14ms. Allocated memory is still 153.1MB. Free memory was 104.3MB in the beginning and 95.1MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 349.93ms. Allocated memory is still 153.1MB. Free memory was 93.8MB in the beginning and 108.4MB in the end (delta: -14.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.06ms. Allocated memory is still 153.1MB. Free memory was 108.4MB in the beginning and 108.0MB in the end (delta: 396.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 22]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 29. Possible FailurePath: [L36] double x, y; [L37] x = __VERIFIER_nondet_double() [L38] y = __VERIFIER_nondet_double() [L39] CALL, EXPR benchmark02(x, y) [L29] COND TRUE sin(x) - cos(y) < 0.00001 [L30] return 1; VAL [\result=1] [L39] RET, EXPR benchmark02(x, y) [L39] CALL __VERIFIER_assert(!benchmark02(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 13:47:33,448 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-nonlinear/coral-benchmark02.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 3016d655e7755a562aebc586ed3f8f70991c78b3a3c61f341f323350496064ae --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 13:47:35,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 13:47:35,741 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 13:47:35,749 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 13:47:35,750 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 13:47:35,781 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 13:47:35,783 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 13:47:35,784 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 13:47:35,785 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 13:47:35,785 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 13:47:35,786 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 13:47:35,786 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 13:47:35,787 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 13:47:35,787 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 13:47:35,789 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 13:47:35,789 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 13:47:35,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 13:47:35,790 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 13:47:35,790 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 13:47:35,790 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 13:47:35,791 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 13:47:35,794 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 13:47:35,795 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 13:47:35,795 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 13:47:35,795 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 13:47:35,795 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 13:47:35,795 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 13:47:35,796 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 13:47:35,796 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 13:47:35,796 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 13:47:35,796 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 13:47:35,796 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 13:47:35,797 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 13:47:35,797 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 13:47:35,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 13:47:35,797 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 13:47:35,797 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 13:47:35,798 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 13:47:35,798 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-08 13:47:35,799 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 13:47:35,800 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 13:47:35,801 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 13:47:35,801 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 13:47:35,801 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 13:47:35,801 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3016d655e7755a562aebc586ed3f8f70991c78b3a3c61f341f323350496064ae [2024-11-08 13:47:36,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 13:47:36,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 13:47:36,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 13:47:36,162 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 13:47:36,163 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 13:47:36,164 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c [2024-11-08 13:47:37,626 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 13:47:37,837 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 13:47:37,838 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark02.c [2024-11-08 13:47:37,849 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49c5137a9/24fda5ab38534fe7ae55c61eb1c05265/FLAG210b0e751 [2024-11-08 13:47:37,868 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49c5137a9/24fda5ab38534fe7ae55c61eb1c05265 [2024-11-08 13:47:37,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 13:47:37,873 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 13:47:37,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 13:47:37,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 13:47:37,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 13:47:37,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 01:47:37" (1/1) ... [2024-11-08 13:47:37,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70a86d57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:37, skipping insertion in model container [2024-11-08 13:47:37,887 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 01:47:37" (1/1) ... [2024-11-08 13:47:37,908 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 13:47:38,095 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-benchmark02.c[758,771] [2024-11-08 13:47:38,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 13:47:38,129 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 13:47:38,142 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-benchmark02.c[758,771] [2024-11-08 13:47:38,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 13:47:38,167 INFO L204 MainTranslator]: Completed translation [2024-11-08 13:47:38,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:38 WrapperNode [2024-11-08 13:47:38,168 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 13:47:38,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 13:47:38,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 13:47:38,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 13:47:38,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:38" (1/1) ... [2024-11-08 13:47:38,186 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:38" (1/1) ... [2024-11-08 13:47:38,203 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-08 13:47:38,204 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 13:47:38,205 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 13:47:38,205 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 13:47:38,206 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 13:47:38,221 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:38" (1/1) ... [2024-11-08 13:47:38,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:38" (1/1) ... [2024-11-08 13:47:38,226 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:38" (1/1) ... [2024-11-08 13:47:38,246 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 13:47:38,247 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:38" (1/1) ... [2024-11-08 13:47:38,247 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:38" (1/1) ... [2024-11-08 13:47:38,258 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:38" (1/1) ... [2024-11-08 13:47:38,260 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:38" (1/1) ... [2024-11-08 13:47:38,261 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:38" (1/1) ... [2024-11-08 13:47:38,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:38" (1/1) ... [2024-11-08 13:47:38,269 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 13:47:38,270 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 13:47:38,270 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 13:47:38,270 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 13:47:38,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:38" (1/1) ... [2024-11-08 13:47:38,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 13:47:38,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 13:47:38,306 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 13:47:38,309 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 13:47:38,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 13:47:38,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 13:47:38,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 13:47:38,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 13:47:38,445 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 13:47:38,450 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 13:47:38,690 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-08 13:47:38,691 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 13:47:38,705 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 13:47:38,706 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 13:47:38,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 01:47:38 BoogieIcfgContainer [2024-11-08 13:47:38,706 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 13:47:38,710 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 13:47:38,710 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 13:47:38,713 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 13:47:38,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 01:47:37" (1/3) ... [2024-11-08 13:47:38,715 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d6d3a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 01:47:38, skipping insertion in model container [2024-11-08 13:47:38,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 01:47:38" (2/3) ... [2024-11-08 13:47:38,717 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d6d3a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 01:47:38, skipping insertion in model container [2024-11-08 13:47:38,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 01:47:38" (3/3) ... [2024-11-08 13:47:38,718 INFO L112 eAbstractionObserver]: Analyzing ICFG coral-benchmark02.c [2024-11-08 13:47:38,736 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 13:47:38,736 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 13:47:38,803 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 13:47:38,810 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;@26eb383c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 13:47:38,811 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 13:47:38,816 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 13:47:38,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 13:47:38,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 13:47:38,824 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-08 13:47:38,824 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 13:47:38,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 13:47:38,832 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-11-08 13:47:38,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 13:47:38,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1100317462] [2024-11-08 13:47:38,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 13:47:38,846 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 13:47:38,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 13:47:38,851 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 13:47:38,852 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 13:47:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 13:47:39,009 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 13:47:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 13:47:39,100 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-08 13:47:39,102 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 13:47:39,104 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 13:47:39,113 INFO L552 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)] Ended with exit code 0 [2024-11-08 13:47:39,309 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 13:47:39,314 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 13:47:39,338 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 13:47:39,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 01:47:39 BoogieIcfgContainer [2024-11-08 13:47:39,344 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 13:47:39,346 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 13:47:39,346 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 13:47:39,347 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 13:47:39,347 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 01:47:38" (3/4) ... [2024-11-08 13:47:39,350 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 13:47:39,352 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 13:47:39,353 INFO L158 Benchmark]: Toolchain (without parser) took 1480.47ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 40.5MB in the beginning and 33.6MB in the end (delta: 6.9MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-11-08 13:47:39,355 INFO L158 Benchmark]: CDTParser took 1.10ms. Allocated memory is still 62.9MB. Free memory was 39.4MB in the beginning and 39.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 13:47:39,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.85ms. Allocated memory is still 62.9MB. Free memory was 40.3MB in the beginning and 27.7MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 13:47:39,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.24ms. Allocated memory is still 62.9MB. Free memory was 27.5MB in the beginning and 26.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 13:47:39,357 INFO L158 Benchmark]: Boogie Preprocessor took 64.04ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 26.0MB in the beginning and 56.9MB in the end (delta: -30.9MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-11-08 13:47:39,357 INFO L158 Benchmark]: RCFGBuilder took 436.44ms. Allocated memory is still 77.6MB. Free memory was 56.9MB in the beginning and 46.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 13:47:39,358 INFO L158 Benchmark]: TraceAbstraction took 634.26ms. Allocated memory is still 77.6MB. Free memory was 46.2MB in the beginning and 33.8MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 13:47:39,359 INFO L158 Benchmark]: Witness Printer took 6.35ms. Allocated memory is still 77.6MB. Free memory was 33.8MB in the beginning and 33.6MB in the end (delta: 223.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 13:47:39,363 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.10ms. Allocated memory is still 62.9MB. Free memory was 39.4MB in the beginning and 39.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.85ms. Allocated memory is still 62.9MB. Free memory was 40.3MB in the beginning and 27.7MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.24ms. Allocated memory is still 62.9MB. Free memory was 27.5MB in the beginning and 26.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.04ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 26.0MB in the beginning and 56.9MB in the end (delta: -30.9MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * RCFGBuilder took 436.44ms. Allocated memory is still 77.6MB. Free memory was 56.9MB in the beginning and 46.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 634.26ms. Allocated memory is still 77.6MB. Free memory was 46.2MB in the beginning and 33.8MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 6.35ms. Allocated memory is still 77.6MB. Free memory was 33.8MB in the beginning and 33.6MB in the end (delta: 223.1kB). 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 cos at line 29. Possible FailurePath: [L36] double x, y; [L37] x = __VERIFIER_nondet_double() [L38] y = __VERIFIER_nondet_double() [L39] CALL, EXPR benchmark02(x, y) [L29] COND TRUE sin(x) - cos(y) < 0.00001 [L30] return 1; VAL [\result=1] [L39] RET, EXPR benchmark02(x, y) [L39] CALL __VERIFIER_assert(!benchmark02(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: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s 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 13:47:39,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample