./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-nonlinear/coral-benchmark27.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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-benchmark27.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 b0526787a8a9af9e96b8715dde2387a33fc387937a5fad509bc845d5e1cca2e1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 06:26:40,064 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 06:26:40,152 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 06:26:40,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 06:26:40,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 06:26:40,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 06:26:40,203 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 06:26:40,204 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 06:26:40,204 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 06:26:40,205 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 06:26:40,205 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 06:26:40,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 06:26:40,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 06:26:40,209 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 06:26:40,209 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 06:26:40,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 06:26:40,210 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 06:26:40,210 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 06:26:40,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 06:26:40,211 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 06:26:40,211 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 06:26:40,212 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 06:26:40,213 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 06:26:40,213 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 06:26:40,213 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 06:26:40,214 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 06:26:40,214 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 06:26:40,214 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 06:26:40,214 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 06:26:40,215 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 06:26:40,215 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 06:26:40,215 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 06:26:40,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 06:26:40,216 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 06:26:40,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 06:26:40,218 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 06:26:40,219 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 06:26:40,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 06:26:40,219 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 06:26:40,219 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 06:26:40,220 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 06:26:40,220 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 06:26:40,220 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0526787a8a9af9e96b8715dde2387a33fc387937a5fad509bc845d5e1cca2e1 [2024-11-16 06:26:40,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 06:26:40,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 06:26:40,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 06:26:40,502 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 06:26:40,502 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 06:26:40,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/coral-benchmark27.c [2024-11-16 06:26:41,875 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 06:26:42,042 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 06:26:42,043 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark27.c [2024-11-16 06:26:42,050 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bce6ad99/591760f0556840eeae5f054480b45db9/FLAG322ddee99 [2024-11-16 06:26:42,061 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bce6ad99/591760f0556840eeae5f054480b45db9 [2024-11-16 06:26:42,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 06:26:42,064 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 06:26:42,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 06:26:42,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 06:26:42,071 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 06:26:42,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:26:42" (1/1) ... [2024-11-16 06:26:42,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2133193f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:42, skipping insertion in model container [2024-11-16 06:26:42,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:26:42" (1/1) ... [2024-11-16 06:26:42,091 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 06:26:42,243 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-benchmark27.c[758,771] [2024-11-16 06:26:42,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 06:26:42,266 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 06:26:42,276 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-benchmark27.c[758,771] [2024-11-16 06:26:42,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 06:26:42,293 INFO L204 MainTranslator]: Completed translation [2024-11-16 06:26:42,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:42 WrapperNode [2024-11-16 06:26:42,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 06:26:42,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 06:26:42,295 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 06:26:42,296 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 06:26:42,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:42" (1/1) ... [2024-11-16 06:26:42,309 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:42" (1/1) ... [2024-11-16 06:26:42,324 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-16 06:26:42,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 06:26:42,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 06:26:42,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 06:26:42,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 06:26:42,333 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:42" (1/1) ... [2024-11-16 06:26:42,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:42" (1/1) ... [2024-11-16 06:26:42,335 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:42" (1/1) ... [2024-11-16 06:26:42,345 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]. [2024-11-16 06:26:42,345 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:42" (1/1) ... [2024-11-16 06:26:42,346 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:42" (1/1) ... [2024-11-16 06:26:42,351 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:42" (1/1) ... [2024-11-16 06:26:42,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:42" (1/1) ... [2024-11-16 06:26:42,352 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:42" (1/1) ... [2024-11-16 06:26:42,353 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:42" (1/1) ... [2024-11-16 06:26:42,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 06:26:42,355 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 06:26:42,355 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 06:26:42,356 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 06:26:42,356 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:42" (1/1) ... [2024-11-16 06:26:42,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 06:26:42,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 06:26:42,389 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) [2024-11-16 06:26:42,396 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 [2024-11-16 06:26:42,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 06:26:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 06:26:42,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 06:26:42,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 06:26:42,588 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 06:26:42,590 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 06:26:42,717 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-16 06:26:42,717 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 06:26:42,730 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 06:26:42,730 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 06:26:42,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:26:42 BoogieIcfgContainer [2024-11-16 06:26:42,731 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 06:26:42,734 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 06:26:42,734 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 06:26:42,737 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 06:26:42,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 06:26:42" (1/3) ... [2024-11-16 06:26:42,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11af7c9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:26:42, skipping insertion in model container [2024-11-16 06:26:42,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:42" (2/3) ... [2024-11-16 06:26:42,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11af7c9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:26:42, skipping insertion in model container [2024-11-16 06:26:42,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:26:42" (3/3) ... [2024-11-16 06:26:42,741 INFO L112 eAbstractionObserver]: Analyzing ICFG coral-benchmark27.c [2024-11-16 06:26:42,758 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 06:26:42,759 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 06:26:42,821 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 06:26:42,830 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;@6c3e2b1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 06:26:42,831 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 06:26:42,835 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 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) [2024-11-16 06:26:42,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-16 06:26:42,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 06:26:42,843 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-16 06:26:42,844 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 06:26:42,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 06:26:42,850 INFO L85 PathProgramCache]: Analyzing trace with hash -796174615, now seen corresponding path program 1 times [2024-11-16 06:26:42,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 06:26:42,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825877780] [2024-11-16 06:26:42,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 06:26:42,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 06:26:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 06:26:42,993 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 06:26:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 06:26:43,041 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 06:26:43,043 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 06:26:43,044 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 06:26:43,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 06:26:43,051 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-16 06:26:43,069 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 06:26:43,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 06:26:43 BoogieIcfgContainer [2024-11-16 06:26:43,073 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 06:26:43,075 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 06:26:43,076 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 06:26:43,076 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 06:26:43,077 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:26:42" (3/4) ... [2024-11-16 06:26:43,079 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-16 06:26:43,081 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 06:26:43,084 INFO L158 Benchmark]: Toolchain (without parser) took 1019.58ms. Allocated memory is still 176.2MB. Free memory was 110.3MB in the beginning and 126.4MB in the end (delta: -16.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 06:26:43,084 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 176.2MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 06:26:43,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.70ms. Allocated memory is still 176.2MB. Free memory was 110.1MB in the beginning and 97.8MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-16 06:26:43,086 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.29ms. Allocated memory is still 176.2MB. Free memory was 97.8MB in the beginning and 96.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 06:26:43,086 INFO L158 Benchmark]: Boogie Preprocessor took 29.46ms. Allocated memory is still 176.2MB. Free memory was 96.1MB in the beginning and 94.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 06:26:43,088 INFO L158 Benchmark]: IcfgBuilder took 375.97ms. Allocated memory is still 176.2MB. Free memory was 94.6MB in the beginning and 141.9MB in the end (delta: -47.3MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-11-16 06:26:43,088 INFO L158 Benchmark]: TraceAbstraction took 339.12ms. Allocated memory is still 176.2MB. Free memory was 141.2MB in the beginning and 126.4MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-16 06:26:43,090 INFO L158 Benchmark]: Witness Printer took 8.09ms. Allocated memory is still 176.2MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 06:26:43,092 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 176.2MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.70ms. Allocated memory is still 176.2MB. Free memory was 110.1MB in the beginning and 97.8MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.29ms. Allocated memory is still 176.2MB. Free memory was 97.8MB in the beginning and 96.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.46ms. Allocated memory is still 176.2MB. Free memory was 96.1MB in the beginning and 94.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 375.97ms. Allocated memory is still 176.2MB. Free memory was 94.6MB in the beginning and 141.9MB in the end (delta: -47.3MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * TraceAbstraction took 339.12ms. Allocated memory is still 176.2MB. Free memory was 141.2MB in the beginning and 126.4MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 8.09ms. Allocated memory is still 176.2MB. Free memory is still 126.4MB. 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 someBinaryDOUBLEComparisonOperation at line 31. Possible FailurePath: [L38] double x, y, z; [L39] x = __VERIFIER_nondet_double() [L40] y = __VERIFIER_nondet_double() [L41] z = __VERIFIER_nondet_double() [L42] CALL, EXPR benchmark27(x, y, z) [L31] COND TRUE sin(x * cos(y * sin(z))) > cos(x * sin(y * cos(z))) && sin(cos(x * y)) < cos(sin(x * y)) [L32] return 1; VAL [\result=1] [L42] RET, EXPR benchmark27(x, y, z) [L42] CALL __VERIFIER_assert(!benchmark27(x, y, z)) [L20] COND TRUE !(cond) [L22] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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=13occurred 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, 7 NumberOfCodeBlocks, 7 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 [2024-11-16 06:26:43,133 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-nonlinear/coral-benchmark27.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 b0526787a8a9af9e96b8715dde2387a33fc387937a5fad509bc845d5e1cca2e1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 06:26:45,378 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 06:26:45,456 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-16 06:26:45,462 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 06:26:45,463 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 06:26:45,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 06:26:45,499 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 06:26:45,499 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 06:26:45,500 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 06:26:45,500 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 06:26:45,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 06:26:45,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 06:26:45,501 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 06:26:45,502 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 06:26:45,503 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 06:26:45,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 06:26:45,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 06:26:45,507 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 06:26:45,508 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 06:26:45,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 06:26:45,508 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 06:26:45,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 06:26:45,509 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 06:26:45,509 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-16 06:26:45,509 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-16 06:26:45,510 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 06:26:45,510 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-16 06:26:45,510 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 06:26:45,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 06:26:45,510 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 06:26:45,511 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 06:26:45,511 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 06:26:45,511 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 06:26:45,511 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 06:26:45,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 06:26:45,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 06:26:45,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 06:26:45,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 06:26:45,513 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-16 06:26:45,514 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-16 06:26:45,514 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 06:26:45,514 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 06:26:45,514 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 06:26:45,514 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 06:26:45,515 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0526787a8a9af9e96b8715dde2387a33fc387937a5fad509bc845d5e1cca2e1 [2024-11-16 06:26:45,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 06:26:45,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 06:26:45,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 06:26:45,850 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 06:26:45,851 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 06:26:45,853 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/coral-benchmark27.c [2024-11-16 06:26:47,452 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 06:26:47,614 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 06:26:47,615 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark27.c [2024-11-16 06:26:47,624 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6807982fe/231fd97d3c774f4788d393e920db9be2/FLAGad707fea0 [2024-11-16 06:26:48,007 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6807982fe/231fd97d3c774f4788d393e920db9be2 [2024-11-16 06:26:48,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 06:26:48,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 06:26:48,012 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 06:26:48,012 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 06:26:48,017 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 06:26:48,018 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:26:48" (1/1) ... [2024-11-16 06:26:48,019 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65a8efaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:48, skipping insertion in model container [2024-11-16 06:26:48,019 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:26:48" (1/1) ... [2024-11-16 06:26:48,038 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 06:26:48,223 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-benchmark27.c[758,771] [2024-11-16 06:26:48,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 06:26:48,255 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 06:26:48,266 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-benchmark27.c[758,771] [2024-11-16 06:26:48,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 06:26:48,290 INFO L204 MainTranslator]: Completed translation [2024-11-16 06:26:48,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:48 WrapperNode [2024-11-16 06:26:48,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 06:26:48,292 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 06:26:48,292 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 06:26:48,292 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 06:26:48,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:48" (1/1) ... [2024-11-16 06:26:48,308 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:48" (1/1) ... [2024-11-16 06:26:48,327 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-16 06:26:48,328 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 06:26:48,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 06:26:48,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 06:26:48,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 06:26:48,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:48" (1/1) ... [2024-11-16 06:26:48,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:48" (1/1) ... [2024-11-16 06:26:48,340 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:48" (1/1) ... [2024-11-16 06:26:48,348 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]. [2024-11-16 06:26:48,349 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:48" (1/1) ... [2024-11-16 06:26:48,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:48" (1/1) ... [2024-11-16 06:26:48,356 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:48" (1/1) ... [2024-11-16 06:26:48,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:48" (1/1) ... [2024-11-16 06:26:48,361 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:48" (1/1) ... [2024-11-16 06:26:48,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:48" (1/1) ... [2024-11-16 06:26:48,364 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 06:26:48,369 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 06:26:48,369 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 06:26:48,369 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 06:26:48,370 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:48" (1/1) ... [2024-11-16 06:26:48,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 06:26:48,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 06:26:48,404 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) [2024-11-16 06:26:48,408 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 [2024-11-16 06:26:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 06:26:48,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-16 06:26:48,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 06:26:48,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 06:26:48,532 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 06:26:48,537 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 06:26:48,703 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-16 06:26:48,707 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 06:26:48,724 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 06:26:48,725 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 06:26:48,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:26:48 BoogieIcfgContainer [2024-11-16 06:26:48,725 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 06:26:48,727 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 06:26:48,728 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 06:26:48,731 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 06:26:48,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 06:26:48" (1/3) ... [2024-11-16 06:26:48,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e573a64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:26:48, skipping insertion in model container [2024-11-16 06:26:48,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:48" (2/3) ... [2024-11-16 06:26:48,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e573a64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:26:48, skipping insertion in model container [2024-11-16 06:26:48,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:26:48" (3/3) ... [2024-11-16 06:26:48,734 INFO L112 eAbstractionObserver]: Analyzing ICFG coral-benchmark27.c [2024-11-16 06:26:48,750 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 06:26:48,750 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 06:26:48,809 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 06:26:48,816 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;@2092e6a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 06:26:48,818 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 06:26:48,821 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 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) [2024-11-16 06:26:48,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-16 06:26:48,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 06:26:48,828 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-16 06:26:48,828 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 06:26:48,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 06:26:48,834 INFO L85 PathProgramCache]: Analyzing trace with hash -796174615, now seen corresponding path program 1 times [2024-11-16 06:26:48,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 06:26:48,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1331356338] [2024-11-16 06:26:48,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 06:26:48,847 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 [2024-11-16 06:26:48,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 06:26:48,851 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) [2024-11-16 06:26:48,852 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 [2024-11-16 06:26:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 06:26:48,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 06:26:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 06:26:48,983 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-16 06:26:48,985 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 06:26:48,986 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 06:26:48,994 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 [2024-11-16 06:26:49,191 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 [2024-11-16 06:26:49,196 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-16 06:26:49,214 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 06:26:49,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 06:26:49 BoogieIcfgContainer [2024-11-16 06:26:49,217 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 06:26:49,219 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 06:26:49,219 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 06:26:49,219 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 06:26:49,220 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:26:48" (3/4) ... [2024-11-16 06:26:49,223 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-16 06:26:49,225 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 06:26:49,226 INFO L158 Benchmark]: Toolchain (without parser) took 1214.73ms. Allocated memory is still 62.9MB. Free memory was 29.9MB in the beginning and 24.2MB in the end (delta: 5.7MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2024-11-16 06:26:49,227 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 50.3MB. Free memory was 23.4MB in the beginning and 23.4MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 06:26:49,227 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.52ms. Allocated memory is still 62.9MB. Free memory was 29.6MB in the beginning and 34.9MB in the end (delta: -5.4MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-11-16 06:26:49,228 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.11ms. Allocated memory is still 62.9MB. Free memory was 34.7MB in the beginning and 33.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 06:26:49,229 INFO L158 Benchmark]: Boogie Preprocessor took 39.31ms. Allocated memory is still 62.9MB. Free memory was 33.1MB in the beginning and 31.3MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 06:26:49,230 INFO L158 Benchmark]: IcfgBuilder took 356.54ms. Allocated memory is still 62.9MB. Free memory was 31.3MB in the beginning and 38.6MB in the end (delta: -7.3MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2024-11-16 06:26:49,230 INFO L158 Benchmark]: TraceAbstraction took 490.44ms. Allocated memory is still 62.9MB. Free memory was 38.0MB in the beginning and 24.8MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-16 06:26:49,231 INFO L158 Benchmark]: Witness Printer took 5.65ms. Allocated memory is still 62.9MB. Free memory was 24.8MB in the beginning and 24.2MB in the end (delta: 545.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 06:26:49,234 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 50.3MB. Free memory was 23.4MB in the beginning and 23.4MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.52ms. Allocated memory is still 62.9MB. Free memory was 29.6MB in the beginning and 34.9MB in the end (delta: -5.4MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.11ms. Allocated memory is still 62.9MB. Free memory was 34.7MB in the beginning and 33.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.31ms. Allocated memory is still 62.9MB. Free memory was 33.1MB in the beginning and 31.3MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 356.54ms. Allocated memory is still 62.9MB. Free memory was 31.3MB in the beginning and 38.6MB in the end (delta: -7.3MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * TraceAbstraction took 490.44ms. Allocated memory is still 62.9MB. Free memory was 38.0MB in the beginning and 24.8MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.65ms. Allocated memory is still 62.9MB. Free memory was 24.8MB in the beginning and 24.2MB in the end (delta: 545.4kB). 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 31. Possible FailurePath: [L38] double x, y, z; [L39] x = __VERIFIER_nondet_double() [L40] y = __VERIFIER_nondet_double() [L41] z = __VERIFIER_nondet_double() [L42] CALL, EXPR benchmark27(x, y, z) [L31] COND TRUE sin(x * cos(y * sin(z))) > cos(x * sin(y * cos(z))) && sin(cos(x * y)) < cos(sin(x * y)) [L32] return 1; VAL [\result=1] [L42] RET, EXPR benchmark27(x, y, z) [L42] CALL __VERIFIER_assert(!benchmark27(x, y, z)) [L20] COND TRUE !(cond) [L22] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 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=13occurred 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, 7 NumberOfCodeBlocks, 7 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 [2024-11-16 06:26:49,274 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