./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-nonlinear/coral-benchmark01.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc 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-benchmark01.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 5bbeaf701cb3f357bb581e423c010469a213b25d09a846384560b80d60a780d0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 12:58:25,845 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 12:58:25,904 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-18 12:58:25,911 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 12:58:25,912 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 12:58:25,934 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 12:58:25,934 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 12:58:25,935 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 12:58:25,935 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 12:58:25,936 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 12:58:25,936 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 12:58:25,936 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 12:58:25,937 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 12:58:25,937 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 12:58:25,937 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 12:58:25,938 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 12:58:25,938 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 12:58:25,939 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 12:58:25,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 12:58:25,939 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 12:58:25,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 12:58:25,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 12:58:25,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 12:58:25,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 12:58:25,945 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 12:58:25,946 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 12:58:25,946 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 12:58:25,946 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 12:58:25,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 12:58:25,947 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 12:58:25,947 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 12:58:25,947 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 12:58:25,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 12:58:25,948 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 12:58:25,948 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 12:58:25,948 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 12:58:25,948 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 12:58:25,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 12:58:25,949 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 12:58:25,949 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 12:58:25,949 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 12:58:25,950 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 12:58:25,950 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bbeaf701cb3f357bb581e423c010469a213b25d09a846384560b80d60a780d0 [2024-11-18 12:58:26,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 12:58:26,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 12:58:26,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 12:58:26,289 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 12:58:26,289 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 12:58:26,291 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/coral-benchmark01.c [2024-11-18 12:58:27,814 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 12:58:28,002 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 12:58:28,003 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark01.c [2024-11-18 12:58:28,010 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7ffe42d7/8c790c7a12d24a899c0fff3dd948606a/FLAG730de75bc [2024-11-18 12:58:28,397 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7ffe42d7/8c790c7a12d24a899c0fff3dd948606a [2024-11-18 12:58:28,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 12:58:28,401 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 12:58:28,402 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 12:58:28,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 12:58:28,407 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 12:58:28,408 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:58:28" (1/1) ... [2024-11-18 12:58:28,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb51093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:28, skipping insertion in model container [2024-11-18 12:58:28,409 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:58:28" (1/1) ... [2024-11-18 12:58:28,429 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 12:58:28,608 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-benchmark01.c[758,771] [2024-11-18 12:58:28,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 12:58:28,628 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 12:58:28,641 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-benchmark01.c[758,771] [2024-11-18 12:58:28,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 12:58:28,660 INFO L204 MainTranslator]: Completed translation [2024-11-18 12:58:28,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:28 WrapperNode [2024-11-18 12:58:28,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 12:58:28,663 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 12:58:28,663 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 12:58:28,663 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 12:58:28,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:28" (1/1) ... [2024-11-18 12:58:28,682 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:28" (1/1) ... [2024-11-18 12:58:28,700 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-18 12:58:28,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 12:58:28,701 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 12:58:28,701 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 12:58:28,701 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 12:58:28,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:28" (1/1) ... [2024-11-18 12:58:28,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:28" (1/1) ... [2024-11-18 12:58:28,712 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:28" (1/1) ... [2024-11-18 12:58:28,725 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]. [2024-11-18 12:58:28,725 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:28" (1/1) ... [2024-11-18 12:58:28,725 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:28" (1/1) ... [2024-11-18 12:58:28,729 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:28" (1/1) ... [2024-11-18 12:58:28,730 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:28" (1/1) ... [2024-11-18 12:58:28,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:28" (1/1) ... [2024-11-18 12:58:28,733 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:28" (1/1) ... [2024-11-18 12:58:28,735 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 12:58:28,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 12:58:28,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 12:58:28,739 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 12:58:28,740 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:28" (1/1) ... [2024-11-18 12:58:28,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 12:58:28,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 12:58:28,778 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) [2024-11-18 12:58:28,785 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 [2024-11-18 12:58:28,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 12:58:28,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 12:58:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 12:58:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 12:58:28,910 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 12:58:28,913 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 12:58:29,152 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-18 12:58:29,152 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 12:58:29,177 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 12:58:29,177 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-18 12:58:29,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:58:29 BoogieIcfgContainer [2024-11-18 12:58:29,178 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 12:58:29,179 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 12:58:29,180 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 12:58:29,183 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 12:58:29,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:58:28" (1/3) ... [2024-11-18 12:58:29,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a5ff3c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:58:29, skipping insertion in model container [2024-11-18 12:58:29,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:28" (2/3) ... [2024-11-18 12:58:29,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a5ff3c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:58:29, skipping insertion in model container [2024-11-18 12:58:29,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:58:29" (3/3) ... [2024-11-18 12:58:29,186 INFO L112 eAbstractionObserver]: Analyzing ICFG coral-benchmark01.c [2024-11-18 12:58:29,205 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 12:58:29,205 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 12:58:29,262 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 12:58:29,270 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;@5f5ee4d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 12:58:29,270 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 12:58:29,274 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) [2024-11-18 12:58:29,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-18 12:58:29,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 12:58:29,283 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-18 12:58:29,284 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 12:58:29,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 12:58:29,290 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-11-18 12:58:29,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 12:58:29,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017964393] [2024-11-18 12:58:29,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 12:58:29,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 12:58:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 12:58:29,402 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 12:58:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 12:58:29,433 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 12:58:29,434 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 12:58:29,435 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 12:58:29,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 12:58:29,444 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-18 12:58:29,463 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 12:58:29,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:58:29 BoogieIcfgContainer [2024-11-18 12:58:29,469 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 12:58:29,470 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 12:58:29,470 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 12:58:29,470 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 12:58:29,471 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:58:29" (3/4) ... [2024-11-18 12:58:29,474 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-18 12:58:29,476 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 12:58:29,477 INFO L158 Benchmark]: Toolchain (without parser) took 1076.42ms. Allocated memory is still 172.0MB. Free memory was 140.5MB in the beginning and 125.7MB in the end (delta: 14.8MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-11-18 12:58:29,478 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 12:58:29,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.85ms. Allocated memory is still 172.0MB. Free memory was 140.5MB in the beginning and 128.5MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-18 12:58:29,480 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.10ms. Allocated memory is still 172.0MB. Free memory was 128.5MB in the beginning and 127.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 12:58:29,480 INFO L158 Benchmark]: Boogie Preprocessor took 35.43ms. Allocated memory is still 172.0MB. Free memory was 127.5MB in the beginning and 125.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 12:58:29,481 INFO L158 Benchmark]: RCFGBuilder took 439.90ms. Allocated memory is still 172.0MB. Free memory was 125.4MB in the beginning and 141.4MB in the end (delta: -16.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-18 12:58:29,482 INFO L158 Benchmark]: TraceAbstraction took 289.56ms. Allocated memory is still 172.0MB. Free memory was 140.4MB in the beginning and 126.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-18 12:58:29,482 INFO L158 Benchmark]: Witness Printer took 6.76ms. Allocated memory is still 172.0MB. Free memory was 126.7MB in the beginning and 125.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 12:58:29,485 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.85ms. Allocated memory is still 172.0MB. Free memory was 140.5MB in the beginning and 128.5MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.10ms. Allocated memory is still 172.0MB. Free memory was 128.5MB in the beginning and 127.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.43ms. Allocated memory is still 172.0MB. Free memory was 127.5MB in the beginning and 125.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 439.90ms. Allocated memory is still 172.0MB. Free memory was 125.4MB in the beginning and 141.4MB in the end (delta: -16.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 289.56ms. Allocated memory is still 172.0MB. Free memory was 140.4MB in the beginning and 126.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 6.76ms. Allocated memory is still 172.0MB. Free memory was 126.7MB in the beginning and 125.7MB 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 29. Possible FailurePath: [L36] double x, y; [L37] x = __VERIFIER_nondet_double() [L38] y = __VERIFIER_nondet_double() [L39] CALL, EXPR benchmark01(x, y) [L29] COND TRUE sin(x) + cos(y) > 1 [L30] return 1; VAL [\result=1] [L39] RET, EXPR benchmark01(x, y) [L39] CALL __VERIFIER_assert(!benchmark01(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 [2024-11-18 12:58:29,525 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-benchmark01.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 5bbeaf701cb3f357bb581e423c010469a213b25d09a846384560b80d60a780d0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 12:58:31,799 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 12:58:31,887 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-18 12:58:31,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 12:58:31,894 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 12:58:31,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 12:58:31,929 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 12:58:31,930 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 12:58:31,930 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 12:58:31,931 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 12:58:31,931 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 12:58:31,932 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 12:58:31,932 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 12:58:31,933 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 12:58:31,935 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 12:58:31,935 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 12:58:31,936 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 12:58:31,936 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-18 12:58:31,936 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-18 12:58:31,937 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 12:58:31,937 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 12:58:31,938 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 12:58:31,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 12:58:31,940 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-18 12:58:31,940 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-18 12:58:31,940 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 12:58:31,941 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-18 12:58:31,941 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-18 12:58:31,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 12:58:31,941 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 12:58:31,942 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 12:58:31,942 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 12:58:31,942 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 12:58:31,942 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 12:58:31,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 12:58:31,943 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 12:58:31,943 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 12:58:31,944 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 12:58:31,944 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-18 12:58:31,944 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-18 12:58:31,945 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 12:58:31,945 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 12:58:31,945 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 12:58:31,945 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 12:58:31,946 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bbeaf701cb3f357bb581e423c010469a213b25d09a846384560b80d60a780d0 [2024-11-18 12:58:32,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 12:58:32,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 12:58:32,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 12:58:32,293 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 12:58:32,293 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 12:58:32,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/coral-benchmark01.c [2024-11-18 12:58:33,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 12:58:34,082 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 12:58:34,082 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark01.c [2024-11-18 12:58:34,089 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2a47970a/5b2b3abe451447a4a953a35d3bfd8730/FLAGeeca9e471 [2024-11-18 12:58:34,100 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2a47970a/5b2b3abe451447a4a953a35d3bfd8730 [2024-11-18 12:58:34,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 12:58:34,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 12:58:34,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 12:58:34,104 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 12:58:34,109 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 12:58:34,109 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:58:34" (1/1) ... [2024-11-18 12:58:34,112 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@363bdb11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:34, skipping insertion in model container [2024-11-18 12:58:34,112 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:58:34" (1/1) ... [2024-11-18 12:58:34,130 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 12:58:34,295 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-benchmark01.c[758,771] [2024-11-18 12:58:34,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 12:58:34,319 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 12:58:34,332 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-benchmark01.c[758,771] [2024-11-18 12:58:34,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 12:58:34,351 INFO L204 MainTranslator]: Completed translation [2024-11-18 12:58:34,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:34 WrapperNode [2024-11-18 12:58:34,352 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 12:58:34,356 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 12:58:34,356 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 12:58:34,356 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 12:58:34,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:34" (1/1) ... [2024-11-18 12:58:34,371 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:34" (1/1) ... [2024-11-18 12:58:34,389 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-18 12:58:34,390 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 12:58:34,391 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 12:58:34,391 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 12:58:34,391 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 12:58:34,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:34" (1/1) ... [2024-11-18 12:58:34,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:34" (1/1) ... [2024-11-18 12:58:34,403 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:34" (1/1) ... [2024-11-18 12:58:34,414 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]. [2024-11-18 12:58:34,414 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:34" (1/1) ... [2024-11-18 12:58:34,415 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:34" (1/1) ... [2024-11-18 12:58:34,425 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:34" (1/1) ... [2024-11-18 12:58:34,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:34" (1/1) ... [2024-11-18 12:58:34,431 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:34" (1/1) ... [2024-11-18 12:58:34,432 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:34" (1/1) ... [2024-11-18 12:58:34,438 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 12:58:34,439 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 12:58:34,439 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 12:58:34,439 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 12:58:34,440 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:34" (1/1) ... [2024-11-18 12:58:34,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 12:58:34,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 12:58:34,481 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) [2024-11-18 12:58:34,488 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 [2024-11-18 12:58:34,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 12:58:34,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-18 12:58:34,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 12:58:34,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 12:58:34,607 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 12:58:34,613 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 12:58:35,030 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-18 12:58:35,030 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 12:58:35,047 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 12:58:35,048 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-18 12:58:35,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:58:35 BoogieIcfgContainer [2024-11-18 12:58:35,049 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 12:58:35,050 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 12:58:35,051 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 12:58:35,053 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 12:58:35,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:58:34" (1/3) ... [2024-11-18 12:58:35,054 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e042e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:58:35, skipping insertion in model container [2024-11-18 12:58:35,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:58:34" (2/3) ... [2024-11-18 12:58:35,054 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e042e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:58:35, skipping insertion in model container [2024-11-18 12:58:35,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:58:35" (3/3) ... [2024-11-18 12:58:35,055 INFO L112 eAbstractionObserver]: Analyzing ICFG coral-benchmark01.c [2024-11-18 12:58:35,070 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 12:58:35,071 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 12:58:35,124 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 12:58:35,131 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;@733ebc99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 12:58:35,132 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 12:58:35,136 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) [2024-11-18 12:58:35,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-18 12:58:35,141 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 12:58:35,142 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-18 12:58:35,142 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 12:58:35,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 12:58:35,149 INFO L85 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2024-11-18 12:58:35,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 12:58:35,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [641010320] [2024-11-18 12:58:35,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 12:58:35,162 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 [2024-11-18 12:58:35,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 12:58:35,166 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) [2024-11-18 12:58:35,167 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 [2024-11-18 12:58:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 12:58:35,299 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 12:58:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 12:58:35,386 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-18 12:58:35,388 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 12:58:35,389 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 12:58:35,396 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-18 12:58:35,590 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 [2024-11-18 12:58:35,594 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-18 12:58:35,607 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 12:58:35,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:58:35 BoogieIcfgContainer [2024-11-18 12:58:35,610 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 12:58:35,611 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 12:58:35,611 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 12:58:35,611 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 12:58:35,611 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:58:35" (3/4) ... [2024-11-18 12:58:35,616 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-18 12:58:35,617 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 12:58:35,618 INFO L158 Benchmark]: Toolchain (without parser) took 1515.51ms. Allocated memory is still 69.2MB. Free memory was 49.6MB in the beginning and 35.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-11-18 12:58:35,619 INFO L158 Benchmark]: CDTParser took 0.92ms. Allocated memory is still 44.0MB. Free memory was 25.4MB in the beginning and 25.3MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 12:58:35,620 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.49ms. Allocated memory is still 69.2MB. Free memory was 49.4MB in the beginning and 36.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-18 12:58:35,620 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.87ms. Allocated memory is still 69.2MB. Free memory was 36.7MB in the beginning and 35.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 12:58:35,622 INFO L158 Benchmark]: Boogie Preprocessor took 47.53ms. Allocated memory is still 69.2MB. Free memory was 35.1MB in the beginning and 33.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-18 12:58:35,622 INFO L158 Benchmark]: RCFGBuilder took 609.81ms. Allocated memory is still 69.2MB. Free memory was 33.3MB in the beginning and 48.8MB in the end (delta: -15.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-18 12:58:35,624 INFO L158 Benchmark]: TraceAbstraction took 559.28ms. Allocated memory is still 69.2MB. Free memory was 48.4MB in the beginning and 35.7MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-18 12:58:35,624 INFO L158 Benchmark]: Witness Printer took 6.78ms. Allocated memory is still 69.2MB. Free memory was 35.7MB in the beginning and 35.4MB in the end (delta: 347.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 12:58:35,627 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92ms. Allocated memory is still 44.0MB. Free memory was 25.4MB in the beginning and 25.3MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.49ms. Allocated memory is still 69.2MB. Free memory was 49.4MB in the beginning and 36.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.87ms. Allocated memory is still 69.2MB. Free memory was 36.7MB in the beginning and 35.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.53ms. Allocated memory is still 69.2MB. Free memory was 35.1MB in the beginning and 33.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 609.81ms. Allocated memory is still 69.2MB. Free memory was 33.3MB in the beginning and 48.8MB in the end (delta: -15.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 559.28ms. Allocated memory is still 69.2MB. Free memory was 48.4MB in the beginning and 35.7MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 6.78ms. Allocated memory is still 69.2MB. Free memory was 35.7MB in the beginning and 35.4MB in the end (delta: 347.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 22]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of cos at line 29. Possible FailurePath: [L36] double x, y; [L37] x = __VERIFIER_nondet_double() [L38] y = __VERIFIER_nondet_double() [L39] CALL, EXPR benchmark01(x, y) [L29] COND TRUE sin(x) + cos(y) > 1 [L30] return 1; VAL [\result=1] [L39] RET, EXPR benchmark01(x, y) [L39] CALL __VERIFIER_assert(!benchmark01(x, y)) [L20] COND TRUE !(cond) [L22] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-18 12:58:35,671 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