./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-nonlinear/coral-benchmark09.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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-benchmark09.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 66ed7ee19bc39f936e96e539df292a147db31db80a790587510ffe6e0ad99bba --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 21:57:53,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 21:57:53,859 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 21:57:53,865 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 21:57:53,866 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 21:57:53,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 21:57:53,897 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 21:57:53,898 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 21:57:53,898 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 21:57:53,900 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 21:57:53,900 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 21:57:53,901 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 21:57:53,901 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 21:57:53,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 21:57:53,903 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 21:57:53,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 21:57:53,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 21:57:53,904 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 21:57:53,904 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 21:57:53,904 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 21:57:53,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 21:57:53,907 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 21:57:53,908 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 21:57:53,908 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 21:57:53,908 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 21:57:53,908 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 21:57:53,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 21:57:53,909 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 21:57:53,909 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 21:57:53,909 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 21:57:53,910 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 21:57:53,910 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 21:57:53,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 21:57:53,910 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 21:57:53,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 21:57:53,911 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 21:57:53,911 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 21:57:53,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 21:57:53,912 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 21:57:53,912 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 21:57:53,913 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 21:57:53,913 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 21:57:53,913 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66ed7ee19bc39f936e96e539df292a147db31db80a790587510ffe6e0ad99bba [2024-11-09 21:57:54,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 21:57:54,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 21:57:54,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 21:57:54,201 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 21:57:54,201 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 21:57:54,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/coral-benchmark09.c [2024-11-09 21:57:55,631 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 21:57:55,800 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 21:57:55,800 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark09.c [2024-11-09 21:57:55,807 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21f4da5ec/8a5d0ff4359243f7bae0fbb6124bd6c3/FLAGbf4e66b2c [2024-11-09 21:57:55,821 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21f4da5ec/8a5d0ff4359243f7bae0fbb6124bd6c3 [2024-11-09 21:57:55,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 21:57:55,824 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 21:57:55,826 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 21:57:55,826 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 21:57:55,830 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 21:57:55,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:57:55" (1/1) ... [2024-11-09 21:57:55,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7161ae67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:57:55, skipping insertion in model container [2024-11-09 21:57:55,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:57:55" (1/1) ... [2024-11-09 21:57:55,849 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 21:57:56,000 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-benchmark09.c[758,771] [2024-11-09 21:57:56,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 21:57:56,017 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 21:57:56,028 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-benchmark09.c[758,771] [2024-11-09 21:57:56,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 21:57:56,044 INFO L204 MainTranslator]: Completed translation [2024-11-09 21:57:56,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:57:56 WrapperNode [2024-11-09 21:57:56,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 21:57:56,046 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 21:57:56,046 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 21:57:56,046 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 21:57:56,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:57:56" (1/1) ... [2024-11-09 21:57:56,057 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:57:56" (1/1) ... [2024-11-09 21:57:56,070 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-09 21:57:56,070 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 21:57:56,071 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 21:57:56,071 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 21:57:56,071 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 21:57:56,078 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:57:56" (1/1) ... [2024-11-09 21:57:56,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:57:56" (1/1) ... [2024-11-09 21:57:56,080 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:57:56" (1/1) ... [2024-11-09 21:57:56,089 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]. [2024-11-09 21:57:56,089 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:57:56" (1/1) ... [2024-11-09 21:57:56,089 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:57:56" (1/1) ... [2024-11-09 21:57:56,093 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:57:56" (1/1) ... [2024-11-09 21:57:56,093 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:57:56" (1/1) ... [2024-11-09 21:57:56,094 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:57:56" (1/1) ... [2024-11-09 21:57:56,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:57:56" (1/1) ... [2024-11-09 21:57:56,096 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 21:57:56,097 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 21:57:56,097 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 21:57:56,097 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 21:57:56,098 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:57:56" (1/1) ... [2024-11-09 21:57:56,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 21:57:56,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 21:57:56,145 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) [2024-11-09 21:57:56,147 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 [2024-11-09 21:57:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 21:57:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 21:57:56,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 21:57:56,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 21:57:56,261 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 21:57:56,263 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 21:57:56,349 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-09 21:57:56,349 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 21:57:56,360 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 21:57:56,360 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 21:57:56,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 09:57:56 BoogieIcfgContainer [2024-11-09 21:57:56,361 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 21:57:56,363 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 21:57:56,363 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 21:57:56,368 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 21:57:56,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 09:57:55" (1/3) ... [2024-11-09 21:57:56,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d3f49a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:57:56, skipping insertion in model container [2024-11-09 21:57:56,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:57:56" (2/3) ... [2024-11-09 21:57:56,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d3f49a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:57:56, skipping insertion in model container [2024-11-09 21:57:56,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 09:57:56" (3/3) ... [2024-11-09 21:57:56,375 INFO L112 eAbstractionObserver]: Analyzing ICFG coral-benchmark09.c [2024-11-09 21:57:56,391 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 21:57:56,391 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 21:57:56,443 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 21:57:56,449 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;@1ad61f65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 21:57:56,449 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 21:57:56,453 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) [2024-11-09 21:57:56,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 21:57:56,458 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 21:57:56,459 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 21:57:56,459 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 21:57:56,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 21:57:56,464 INFO L85 PathProgramCache]: Analyzing trace with hash -796174615, now seen corresponding path program 1 times [2024-11-09 21:57:56,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 21:57:56,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486049270] [2024-11-09 21:57:56,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 21:57:56,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 21:57:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 21:57:56,590 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 21:57:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 21:57:56,617 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 21:57:56,619 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 21:57:56,619 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 21:57:56,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 21:57:56,624 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 21:57:56,637 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 21:57:56,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 09:57:56 BoogieIcfgContainer [2024-11-09 21:57:56,640 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 21:57:56,640 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 21:57:56,640 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 21:57:56,641 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 21:57:56,641 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 09:57:56" (3/4) ... [2024-11-09 21:57:56,644 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-09 21:57:56,646 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 21:57:56,647 INFO L158 Benchmark]: Toolchain (without parser) took 822.30ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 74.2MB in the beginning and 152.7MB in the end (delta: -78.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 21:57:56,647 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 96.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 21:57:56,647 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.10ms. Allocated memory is still 146.8MB. Free memory was 74.0MB in the beginning and 62.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 21:57:56,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.37ms. Allocated memory is still 146.8MB. Free memory was 61.8MB in the beginning and 60.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 21:57:56,648 INFO L158 Benchmark]: Boogie Preprocessor took 25.45ms. Allocated memory is still 146.8MB. Free memory was 60.5MB in the beginning and 59.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 21:57:56,649 INFO L158 Benchmark]: IcfgBuilder took 264.33ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 58.8MB in the beginning and 167.3MB in the end (delta: -108.6MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-11-09 21:57:56,650 INFO L158 Benchmark]: TraceAbstraction took 276.70ms. Allocated memory is still 199.2MB. Free memory was 167.3MB in the beginning and 153.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 21:57:56,650 INFO L158 Benchmark]: Witness Printer took 5.27ms. Allocated memory is still 199.2MB. Free memory was 153.7MB in the beginning and 152.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 21:57:56,653 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 146.8MB. Free memory is still 96.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.10ms. Allocated memory is still 146.8MB. Free memory was 74.0MB in the beginning and 62.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.37ms. Allocated memory is still 146.8MB. Free memory was 61.8MB in the beginning and 60.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.45ms. Allocated memory is still 146.8MB. Free memory was 60.5MB in the beginning and 59.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 264.33ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 58.8MB in the beginning and 167.3MB in the end (delta: -108.6MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * TraceAbstraction took 276.70ms. Allocated memory is still 199.2MB. Free memory was 167.3MB in the beginning and 153.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 5.27ms. Allocated memory is still 199.2MB. Free memory was 153.7MB in the beginning and 152.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 22]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 31. Possible FailurePath: [L38] double x, y; [L39] x = __VERIFIER_nondet_double() [L40] y = __VERIFIER_nondet_double() [L41] CALL, EXPR benchmark09(x, y) [L31] COND TRUE sin(cos(x * y)) < cos(sin(x * y)) [L32] return 1; VAL [\result=1] [L41] RET, EXPR benchmark09(x, y) [L41] CALL __VERIFIER_assert(!benchmark09(x, y)) [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: 0.2s, 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=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 [2024-11-09 21:57:56,685 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-benchmark09.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 66ed7ee19bc39f936e96e539df292a147db31db80a790587510ffe6e0ad99bba --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 21:57:58,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 21:57:58,904 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-09 21:57:58,908 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 21:57:58,908 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 21:57:58,939 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 21:57:58,939 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 21:57:58,940 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 21:57:58,940 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 21:57:58,944 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 21:57:58,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 21:57:58,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 21:57:58,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 21:57:58,945 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 21:57:58,945 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 21:57:58,946 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 21:57:58,946 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 21:57:58,946 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 21:57:58,947 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 21:57:58,947 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 21:57:58,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 21:57:58,948 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 21:57:58,948 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 21:57:58,949 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 21:57:58,949 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 21:57:58,949 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 21:57:58,949 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 21:57:58,950 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 21:57:58,950 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 21:57:58,950 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 21:57:58,950 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 21:57:58,950 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 21:57:58,950 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 21:57:58,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 21:57:58,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 21:57:58,951 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 21:57:58,951 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 21:57:58,951 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 21:57:58,952 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-09 21:57:58,952 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 21:57:58,952 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 21:57:58,953 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 21:57:58,954 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 21:57:58,954 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 21:57:58,954 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66ed7ee19bc39f936e96e539df292a147db31db80a790587510ffe6e0ad99bba [2024-11-09 21:57:59,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 21:57:59,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 21:57:59,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 21:57:59,294 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 21:57:59,295 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 21:57:59,296 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/coral-benchmark09.c [2024-11-09 21:58:00,752 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 21:58:00,933 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 21:58:00,934 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark09.c [2024-11-09 21:58:00,940 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbeb185db/52d6dac6b2e6442da52530eb45433970/FLAGbac2c68d5 [2024-11-09 21:58:00,950 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbeb185db/52d6dac6b2e6442da52530eb45433970 [2024-11-09 21:58:00,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 21:58:00,954 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 21:58:00,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 21:58:00,955 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 21:58:00,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 21:58:00,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:58:00" (1/1) ... [2024-11-09 21:58:00,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e2fd9ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:58:00, skipping insertion in model container [2024-11-09 21:58:00,961 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:58:00" (1/1) ... [2024-11-09 21:58:00,978 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 21:58:01,181 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-benchmark09.c[758,771] [2024-11-09 21:58:01,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 21:58:01,208 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 21:58:01,221 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-benchmark09.c[758,771] [2024-11-09 21:58:01,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 21:58:01,243 INFO L204 MainTranslator]: Completed translation [2024-11-09 21:58:01,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:58:01 WrapperNode [2024-11-09 21:58:01,244 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 21:58:01,245 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 21:58:01,245 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 21:58:01,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 21:58:01,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:58:01" (1/1) ... [2024-11-09 21:58:01,261 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:58:01" (1/1) ... [2024-11-09 21:58:01,278 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-09 21:58:01,279 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 21:58:01,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 21:58:01,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 21:58:01,280 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 21:58:01,289 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:58:01" (1/1) ... [2024-11-09 21:58:01,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:58:01" (1/1) ... [2024-11-09 21:58:01,291 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:58:01" (1/1) ... [2024-11-09 21:58:01,302 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]. [2024-11-09 21:58:01,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:58:01" (1/1) ... [2024-11-09 21:58:01,303 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:58:01" (1/1) ... [2024-11-09 21:58:01,309 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:58:01" (1/1) ... [2024-11-09 21:58:01,309 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:58:01" (1/1) ... [2024-11-09 21:58:01,312 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:58:01" (1/1) ... [2024-11-09 21:58:01,313 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:58:01" (1/1) ... [2024-11-09 21:58:01,319 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 21:58:01,320 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 21:58:01,320 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 21:58:01,320 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 21:58:01,321 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:58:01" (1/1) ... [2024-11-09 21:58:01,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 21:58:01,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 21:58:01,357 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) [2024-11-09 21:58:01,361 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 [2024-11-09 21:58:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 21:58:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-09 21:58:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 21:58:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 21:58:01,481 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 21:58:01,486 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 21:58:01,621 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-09 21:58:01,621 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 21:58:01,636 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 21:58:01,637 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 21:58:01,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 09:58:01 BoogieIcfgContainer [2024-11-09 21:58:01,638 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 21:58:01,640 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 21:58:01,641 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 21:58:01,644 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 21:58:01,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 09:58:00" (1/3) ... [2024-11-09 21:58:01,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@417b9ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:58:01, skipping insertion in model container [2024-11-09 21:58:01,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:58:01" (2/3) ... [2024-11-09 21:58:01,646 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@417b9ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:58:01, skipping insertion in model container [2024-11-09 21:58:01,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 09:58:01" (3/3) ... [2024-11-09 21:58:01,649 INFO L112 eAbstractionObserver]: Analyzing ICFG coral-benchmark09.c [2024-11-09 21:58:01,664 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 21:58:01,665 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 21:58:01,720 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 21:58:01,725 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;@609d946c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 21:58:01,725 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 21:58:01,728 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) [2024-11-09 21:58:01,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 21:58:01,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 21:58:01,733 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 21:58:01,734 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 21:58:01,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 21:58:01,739 INFO L85 PathProgramCache]: Analyzing trace with hash -796174615, now seen corresponding path program 1 times [2024-11-09 21:58:01,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-09 21:58:01,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [335418952] [2024-11-09 21:58:01,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 21:58:01,750 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 [2024-11-09 21:58:01,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-09 21:58:01,754 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) [2024-11-09 21:58:01,755 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 [2024-11-09 21:58:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 21:58:01,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 21:58:01,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 21:58:01,884 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-09 21:58:01,886 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 21:58:01,887 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 21:58:01,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-09 21:58:02,089 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 [2024-11-09 21:58:02,093 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 21:58:02,108 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 21:58:02,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 09:58:02 BoogieIcfgContainer [2024-11-09 21:58:02,111 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 21:58:02,112 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 21:58:02,112 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 21:58:02,112 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 21:58:02,112 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 09:58:01" (3/4) ... [2024-11-09 21:58:02,115 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-09 21:58:02,116 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 21:58:02,118 INFO L158 Benchmark]: Toolchain (without parser) took 1164.18ms. Allocated memory is still 65.0MB. Free memory was 33.6MB in the beginning and 29.3MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 21:58:02,118 INFO L158 Benchmark]: CDTParser took 0.87ms. Allocated memory is still 48.2MB. Free memory was 28.1MB in the beginning and 28.1MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 21:58:02,119 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.01ms. Allocated memory is still 65.0MB. Free memory was 33.4MB in the beginning and 38.7MB in the end (delta: -5.3MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-11-09 21:58:02,120 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.30ms. Allocated memory is still 65.0MB. Free memory was 38.7MB in the beginning and 37.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 21:58:02,121 INFO L158 Benchmark]: Boogie Preprocessor took 39.51ms. Allocated memory is still 65.0MB. Free memory was 37.2MB in the beginning and 35.5MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 21:58:02,123 INFO L158 Benchmark]: IcfgBuilder took 318.06ms. Allocated memory is still 65.0MB. Free memory was 35.2MB in the beginning and 43.1MB in the end (delta: -7.8MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-11-09 21:58:02,123 INFO L158 Benchmark]: TraceAbstraction took 470.39ms. Allocated memory is still 65.0MB. Free memory was 42.2MB in the beginning and 29.8MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 21:58:02,124 INFO L158 Benchmark]: Witness Printer took 5.26ms. Allocated memory is still 65.0MB. Free memory was 29.8MB in the beginning and 29.3MB in the end (delta: 480.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 21:58:02,128 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87ms. Allocated memory is still 48.2MB. Free memory was 28.1MB in the beginning and 28.1MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.01ms. Allocated memory is still 65.0MB. Free memory was 33.4MB in the beginning and 38.7MB in the end (delta: -5.3MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.30ms. Allocated memory is still 65.0MB. Free memory was 38.7MB in the beginning and 37.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.51ms. Allocated memory is still 65.0MB. Free memory was 37.2MB in the beginning and 35.5MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 318.06ms. Allocated memory is still 65.0MB. Free memory was 35.2MB in the beginning and 43.1MB in the end (delta: -7.8MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * TraceAbstraction took 470.39ms. Allocated memory is still 65.0MB. Free memory was 42.2MB in the beginning and 29.8MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 5.26ms. Allocated memory is still 65.0MB. Free memory was 29.8MB in the beginning and 29.3MB in the end (delta: 480.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 22]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of cos at line 31. Possible FailurePath: [L38] double x, y; [L39] x = __VERIFIER_nondet_double() [L40] y = __VERIFIER_nondet_double() [L41] CALL, EXPR benchmark09(x, y) [L31] COND TRUE sin(cos(x * y)) < cos(sin(x * y)) [L32] return 1; VAL [\result=1] [L41] RET, EXPR benchmark09(x, y) [L41] CALL __VERIFIER_assert(!benchmark09(x, y)) [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 [2024-11-09 21:58:02,162 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