./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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-benchmark20.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 9dedb0728b3792362987c8abb931c76242b61fe495915d3d202e3235d1ac45be --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 00:43:27,079 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 00:43:27,146 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 00:43:27,151 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 00:43:27,151 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 00:43:27,174 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 00:43:27,175 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 00:43:27,175 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 00:43:27,176 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 00:43:27,176 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 00:43:27,176 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 00:43:27,176 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 00:43:27,177 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 00:43:27,177 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 00:43:27,177 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 00:43:27,177 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 00:43:27,178 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 00:43:27,179 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 00:43:27,181 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 00:43:27,181 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 00:43:27,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 00:43:27,182 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 00:43:27,182 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 00:43:27,182 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 00:43:27,182 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 00:43:27,182 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 00:43:27,182 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 00:43:27,182 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 00:43:27,182 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 00:43:27,183 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 00:43:27,183 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 00:43:27,183 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 00:43:27,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 00:43:27,183 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 00:43:27,183 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 00:43:27,183 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 00:43:27,184 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 00:43:27,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 00:43:27,184 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 00:43:27,184 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 00:43:27,184 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 00:43:27,186 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 00:43:27,187 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dedb0728b3792362987c8abb931c76242b61fe495915d3d202e3235d1ac45be [2024-11-22 00:43:27,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 00:43:27,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 00:43:27,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 00:43:27,389 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 00:43:27,389 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 00:43:27,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c [2024-11-22 00:43:28,626 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 00:43:28,789 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 00:43:28,789 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c [2024-11-22 00:43:28,798 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/454ea275f/e1213f9a78fa4e97ab5627e37585d22f/FLAGfd2679b5c [2024-11-22 00:43:28,814 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/454ea275f/e1213f9a78fa4e97ab5627e37585d22f [2024-11-22 00:43:28,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 00:43:28,818 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 00:43:28,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 00:43:28,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 00:43:28,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 00:43:28,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:43:28" (1/1) ... [2024-11-22 00:43:28,826 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c9955ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:28, skipping insertion in model container [2024-11-22 00:43:28,826 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:43:28" (1/1) ... [2024-11-22 00:43:28,842 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 00:43:29,034 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-benchmark20.c[758,771] [2024-11-22 00:43:29,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 00:43:29,055 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 00:43:29,066 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-benchmark20.c[758,771] [2024-11-22 00:43:29,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 00:43:29,084 INFO L204 MainTranslator]: Completed translation [2024-11-22 00:43:29,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:29 WrapperNode [2024-11-22 00:43:29,085 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 00:43:29,086 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 00:43:29,087 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 00:43:29,087 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 00:43:29,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:29" (1/1) ... [2024-11-22 00:43:29,100 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:29" (1/1) ... [2024-11-22 00:43:29,115 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2024-11-22 00:43:29,116 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 00:43:29,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 00:43:29,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 00:43:29,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 00:43:29,124 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:29" (1/1) ... [2024-11-22 00:43:29,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:29" (1/1) ... [2024-11-22 00:43:29,125 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:29" (1/1) ... [2024-11-22 00:43:29,134 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]. [2024-11-22 00:43:29,135 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:29" (1/1) ... [2024-11-22 00:43:29,135 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:29" (1/1) ... [2024-11-22 00:43:29,143 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:29" (1/1) ... [2024-11-22 00:43:29,145 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:29" (1/1) ... [2024-11-22 00:43:29,145 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:29" (1/1) ... [2024-11-22 00:43:29,146 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:29" (1/1) ... [2024-11-22 00:43:29,148 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 00:43:29,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 00:43:29,150 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 00:43:29,150 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 00:43:29,151 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:29" (1/1) ... [2024-11-22 00:43:29,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 00:43:29,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 00:43:29,189 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) [2024-11-22 00:43:29,191 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 [2024-11-22 00:43:29,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 00:43:29,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 00:43:29,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 00:43:29,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 00:43:29,278 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 00:43:29,281 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 00:43:29,365 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-22 00:43:29,366 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 00:43:29,377 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 00:43:29,378 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 00:43:29,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:43:29 BoogieIcfgContainer [2024-11-22 00:43:29,379 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 00:43:29,381 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 00:43:29,381 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 00:43:29,383 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 00:43:29,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:43:28" (1/3) ... [2024-11-22 00:43:29,384 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de39753 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:43:29, skipping insertion in model container [2024-11-22 00:43:29,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:29" (2/3) ... [2024-11-22 00:43:29,385 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de39753 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:43:29, skipping insertion in model container [2024-11-22 00:43:29,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:43:29" (3/3) ... [2024-11-22 00:43:29,387 INFO L112 eAbstractionObserver]: Analyzing ICFG coral-benchmark20.c [2024-11-22 00:43:29,399 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 00:43:29,400 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 00:43:29,450 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 00:43:29,457 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;@3d6377e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 00:43:29,458 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 00:43:29,461 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 00:43:29,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-22 00:43:29,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 00:43:29,466 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-22 00:43:29,466 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 00:43:29,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 00:43:29,473 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-11-22 00:43:29,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 00:43:29,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662972444] [2024-11-22 00:43:29,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 00:43:29,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 00:43:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 00:43:29,570 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 00:43:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 00:43:29,601 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 00:43:29,603 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 00:43:29,604 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 00:43:29,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 00:43:29,608 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-22 00:43:29,623 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 00:43:29,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:43:29 BoogieIcfgContainer [2024-11-22 00:43:29,627 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 00:43:29,628 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 00:43:29,628 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 00:43:29,628 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 00:43:29,629 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:43:29" (3/4) ... [2024-11-22 00:43:29,631 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-22 00:43:29,633 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 00:43:29,634 INFO L158 Benchmark]: Toolchain (without parser) took 815.15ms. Allocated memory is still 155.2MB. Free memory was 89.9MB in the beginning and 95.8MB in the end (delta: -5.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 00:43:29,634 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 96.5MB. Free memory is still 59.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 00:43:29,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.78ms. Allocated memory is still 155.2MB. Free memory was 89.8MB in the beginning and 123.6MB in the end (delta: -33.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-22 00:43:29,635 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.60ms. Allocated memory is still 155.2MB. Free memory was 123.6MB in the beginning and 122.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 00:43:29,636 INFO L158 Benchmark]: Boogie Preprocessor took 32.14ms. Allocated memory is still 155.2MB. Free memory was 122.0MB in the beginning and 120.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 00:43:29,637 INFO L158 Benchmark]: RCFGBuilder took 229.50ms. Allocated memory is still 155.2MB. Free memory was 120.0MB in the beginning and 110.4MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-22 00:43:29,637 INFO L158 Benchmark]: TraceAbstraction took 246.98ms. Allocated memory is still 155.2MB. Free memory was 110.1MB in the beginning and 95.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-22 00:43:29,638 INFO L158 Benchmark]: Witness Printer took 4.90ms. Allocated memory is still 155.2MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 00:43:29,641 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 96.5MB. Free memory is still 59.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.78ms. Allocated memory is still 155.2MB. Free memory was 89.8MB in the beginning and 123.6MB in the end (delta: -33.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.60ms. Allocated memory is still 155.2MB. Free memory was 123.6MB in the beginning and 122.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.14ms. Allocated memory is still 155.2MB. Free memory was 122.0MB in the beginning and 120.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 229.50ms. Allocated memory is still 155.2MB. Free memory was 120.0MB in the beginning and 110.4MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 246.98ms. Allocated memory is still 155.2MB. Free memory was 110.1MB in the beginning and 95.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 4.90ms. Allocated memory is still 155.2MB. Free memory is still 95.8MB. 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 benchmark20(x, y) [L31] COND TRUE sin(sin(x * y)) < 0 && cos(2 * x) > 0.25 [L32] return 1; VAL [\result=1] [L41] RET, EXPR benchmark20(x, y) [L41] CALL __VERIFIER_assert(!benchmark20(x, y)) [L20] COND TRUE !(cond) [L22] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-22 00:43:29,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/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-benchmark20.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 9dedb0728b3792362987c8abb931c76242b61fe495915d3d202e3235d1ac45be --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 00:43:31,443 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 00:43:31,503 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-22 00:43:31,508 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 00:43:31,508 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 00:43:31,527 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 00:43:31,530 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 00:43:31,531 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 00:43:31,531 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 00:43:31,531 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 00:43:31,532 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 00:43:31,532 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 00:43:31,532 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 00:43:31,533 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 00:43:31,534 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 00:43:31,535 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 00:43:31,535 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 00:43:31,535 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 00:43:31,535 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 00:43:31,535 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 00:43:31,536 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 00:43:31,538 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 00:43:31,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 00:43:31,539 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 00:43:31,539 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-22 00:43:31,539 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 00:43:31,539 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-22 00:43:31,540 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 00:43:31,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 00:43:31,540 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 00:43:31,540 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 00:43:31,540 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 00:43:31,540 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 00:43:31,540 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 00:43:31,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 00:43:31,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 00:43:31,541 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 00:43:31,547 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 00:43:31,547 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-22 00:43:31,547 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-22 00:43:31,547 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 00:43:31,549 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 00:43:31,549 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 00:43:31,550 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 00:43:31,550 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dedb0728b3792362987c8abb931c76242b61fe495915d3d202e3235d1ac45be [2024-11-22 00:43:31,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 00:43:31,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 00:43:31,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 00:43:31,798 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 00:43:31,799 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 00:43:31,800 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c [2024-11-22 00:43:33,042 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 00:43:33,205 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 00:43:33,206 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark20.c [2024-11-22 00:43:33,220 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5109efdc/4c7c57e69db44abc9cfbcc29c6f2ecd2/FLAGad59516f4 [2024-11-22 00:43:33,236 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5109efdc/4c7c57e69db44abc9cfbcc29c6f2ecd2 [2024-11-22 00:43:33,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 00:43:33,240 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 00:43:33,242 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 00:43:33,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 00:43:33,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 00:43:33,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:43:33" (1/1) ... [2024-11-22 00:43:33,249 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b6ac928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:33, skipping insertion in model container [2024-11-22 00:43:33,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:43:33" (1/1) ... [2024-11-22 00:43:33,265 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 00:43:33,416 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-benchmark20.c[758,771] [2024-11-22 00:43:33,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 00:43:33,439 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 00:43:33,449 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-benchmark20.c[758,771] [2024-11-22 00:43:33,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 00:43:33,469 INFO L204 MainTranslator]: Completed translation [2024-11-22 00:43:33,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:33 WrapperNode [2024-11-22 00:43:33,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 00:43:33,470 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 00:43:33,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 00:43:33,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 00:43:33,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:33" (1/1) ... [2024-11-22 00:43:33,484 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:33" (1/1) ... [2024-11-22 00:43:33,498 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2024-11-22 00:43:33,498 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 00:43:33,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 00:43:33,499 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 00:43:33,499 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 00:43:33,507 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:33" (1/1) ... [2024-11-22 00:43:33,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:33" (1/1) ... [2024-11-22 00:43:33,509 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:33" (1/1) ... [2024-11-22 00:43:33,519 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]. [2024-11-22 00:43:33,519 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:33" (1/1) ... [2024-11-22 00:43:33,520 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:33" (1/1) ... [2024-11-22 00:43:33,527 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:33" (1/1) ... [2024-11-22 00:43:33,528 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:33" (1/1) ... [2024-11-22 00:43:33,529 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:33" (1/1) ... [2024-11-22 00:43:33,531 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:33" (1/1) ... [2024-11-22 00:43:33,534 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 00:43:33,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 00:43:33,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 00:43:33,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 00:43:33,539 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:33" (1/1) ... [2024-11-22 00:43:33,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 00:43:33,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 00:43:33,570 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) [2024-11-22 00:43:33,574 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 [2024-11-22 00:43:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 00:43:33,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-22 00:43:33,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 00:43:33,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 00:43:33,656 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 00:43:33,659 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 00:43:33,762 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-22 00:43:33,762 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 00:43:33,774 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 00:43:33,774 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 00:43:33,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:43:33 BoogieIcfgContainer [2024-11-22 00:43:33,774 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 00:43:33,777 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 00:43:33,777 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 00:43:33,779 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 00:43:33,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:43:33" (1/3) ... [2024-11-22 00:43:33,781 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103660e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:43:33, skipping insertion in model container [2024-11-22 00:43:33,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:43:33" (2/3) ... [2024-11-22 00:43:33,782 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@103660e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:43:33, skipping insertion in model container [2024-11-22 00:43:33,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:43:33" (3/3) ... [2024-11-22 00:43:33,783 INFO L112 eAbstractionObserver]: Analyzing ICFG coral-benchmark20.c [2024-11-22 00:43:33,795 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 00:43:33,796 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 00:43:33,856 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 00:43:33,863 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;@3c126790, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 00:43:33,863 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 00:43:33,866 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 00:43:33,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-22 00:43:33,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 00:43:33,872 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-22 00:43:33,873 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 00:43:33,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 00:43:33,879 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-11-22 00:43:33,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 00:43:33,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1754544339] [2024-11-22 00:43:33,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 00:43:33,890 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 [2024-11-22 00:43:33,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 00:43:33,893 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) [2024-11-22 00:43:33,894 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 [2024-11-22 00:43:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 00:43:33,955 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 00:43:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 00:43:33,995 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-22 00:43:33,997 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 00:43:33,998 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 00:43:34,005 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 [2024-11-22 00:43:34,201 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 [2024-11-22 00:43:34,204 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-22 00:43:34,219 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 00:43:34,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:43:34 BoogieIcfgContainer [2024-11-22 00:43:34,222 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 00:43:34,223 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 00:43:34,223 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 00:43:34,223 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 00:43:34,224 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:43:33" (3/4) ... [2024-11-22 00:43:34,227 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-22 00:43:34,228 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 00:43:34,230 INFO L158 Benchmark]: Toolchain (without parser) took 989.63ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 40.6MB in the beginning and 54.7MB in the end (delta: -14.1MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-11-22 00:43:34,230 INFO L158 Benchmark]: CDTParser took 1.37ms. Allocated memory is still 50.3MB. Free memory was 25.4MB in the beginning and 25.4MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 00:43:34,231 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.99ms. Allocated memory is still 67.1MB. Free memory was 40.4MB in the beginning and 43.5MB in the end (delta: -3.1MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-11-22 00:43:34,232 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.85ms. Allocated memory is still 67.1MB. Free memory was 43.5MB in the beginning and 42.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 00:43:34,232 INFO L158 Benchmark]: Boogie Preprocessor took 37.82ms. Allocated memory is still 67.1MB. Free memory was 42.1MB in the beginning and 40.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-22 00:43:34,233 INFO L158 Benchmark]: RCFGBuilder took 236.86ms. Allocated memory is still 67.1MB. Free memory was 40.1MB in the beginning and 30.4MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-22 00:43:34,234 INFO L158 Benchmark]: TraceAbstraction took 444.82ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 29.7MB in the beginning and 55.2MB in the end (delta: -25.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 00:43:34,234 INFO L158 Benchmark]: Witness Printer took 5.73ms. Allocated memory is still 86.0MB. Free memory was 55.1MB in the beginning and 54.7MB in the end (delta: 453.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 00:43:34,238 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.37ms. Allocated memory is still 50.3MB. Free memory was 25.4MB in the beginning and 25.4MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.99ms. Allocated memory is still 67.1MB. Free memory was 40.4MB in the beginning and 43.5MB in the end (delta: -3.1MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.85ms. Allocated memory is still 67.1MB. Free memory was 43.5MB in the beginning and 42.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.82ms. Allocated memory is still 67.1MB. Free memory was 42.1MB in the beginning and 40.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 236.86ms. Allocated memory is still 67.1MB. Free memory was 40.1MB in the beginning and 30.4MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 444.82ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 29.7MB in the beginning and 55.2MB in the end (delta: -25.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.73ms. Allocated memory is still 86.0MB. Free memory was 55.1MB in the beginning and 54.7MB in the end (delta: 453.3kB). 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; [L39] x = __VERIFIER_nondet_double() [L40] y = __VERIFIER_nondet_double() [L41] CALL, EXPR benchmark20(x, y) [L31] COND TRUE sin(sin(x * y)) < 0 && cos(2 * x) > 0.25 [L32] return 1; VAL [\result=1] [L41] RET, EXPR benchmark20(x, y) [L41] CALL __VERIFIER_assert(!benchmark20(x, y)) [L20] COND TRUE !(cond) [L22] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-22 00:43:34,260 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample