./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 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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 0.3.0-?-798a7b3-m [2025-03-03 13:13:38,900 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 13:13:38,954 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 13:13:38,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 13:13:38,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 13:13:38,979 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 13:13:38,980 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 13:13:38,980 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 13:13:38,981 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 13:13:38,981 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 13:13:38,981 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 13:13:38,982 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 13:13:38,982 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 13:13:38,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 13:13:38,982 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 13:13:38,982 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 13:13:38,982 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 13:13:38,982 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 13:13:38,982 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 13:13:38,983 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 13:13:38,983 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 13:13:38,983 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 13:13:38,983 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 13:13:38,983 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 13:13:38,983 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 13:13:38,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 13:13:38,983 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 13:13:38,983 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 13:13:38,984 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 13:13:38,984 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 13:13:38,984 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 13:13:38,984 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 13:13:38,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 13:13:38,984 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 13:13:38,985 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 13:13:38,985 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 13:13:38,985 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 13:13:38,985 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 13:13:38,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 13:13:38,985 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 13:13:38,985 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 13:13:38,985 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 13:13:38,985 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 13:13:38,985 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 [2025-03-03 13:13:39,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 13:13:39,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 13:13:39,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 13:13:39,200 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 13:13:39,201 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 13:13:39,201 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/coral-benchmark01.c [2025-03-03 13:13:40,319 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bebae069/6ca92e29355b4219a86594e6cc88f895/FLAG1fcfebdaa [2025-03-03 13:13:40,525 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 13:13:40,525 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark01.c [2025-03-03 13:13:40,530 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bebae069/6ca92e29355b4219a86594e6cc88f895/FLAG1fcfebdaa [2025-03-03 13:13:40,867 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bebae069/6ca92e29355b4219a86594e6cc88f895 [2025-03-03 13:13:40,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 13:13:40,872 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 13:13:40,873 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 13:13:40,873 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 13:13:40,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 13:13:40,876 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 01:13:40" (1/1) ... [2025-03-03 13:13:40,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bafcea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:40, skipping insertion in model container [2025-03-03 13:13:40,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 01:13:40" (1/1) ... [2025-03-03 13:13:40,885 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 13:13:40,973 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] [2025-03-03 13:13:40,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 13:13:40,989 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 13:13:40,995 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] [2025-03-03 13:13:40,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 13:13:41,006 INFO L204 MainTranslator]: Completed translation [2025-03-03 13:13:41,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:41 WrapperNode [2025-03-03 13:13:41,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 13:13:41,007 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 13:13:41,008 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 13:13:41,008 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 13:13:41,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:41" (1/1) ... [2025-03-03 13:13:41,015 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:41" (1/1) ... [2025-03-03 13:13:41,024 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2025-03-03 13:13:41,025 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 13:13:41,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 13:13:41,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 13:13:41,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 13:13:41,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:41" (1/1) ... [2025-03-03 13:13:41,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:41" (1/1) ... [2025-03-03 13:13:41,031 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:41" (1/1) ... [2025-03-03 13:13:41,036 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]. [2025-03-03 13:13:41,037 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:41" (1/1) ... [2025-03-03 13:13:41,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:41" (1/1) ... [2025-03-03 13:13:41,039 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:41" (1/1) ... [2025-03-03 13:13:41,039 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:41" (1/1) ... [2025-03-03 13:13:41,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:41" (1/1) ... [2025-03-03 13:13:41,040 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:41" (1/1) ... [2025-03-03 13:13:41,041 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 13:13:41,041 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 13:13:41,041 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 13:13:41,042 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 13:13:41,042 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:41" (1/1) ... [2025-03-03 13:13:41,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 13:13:41,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 13:13:41,067 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) [2025-03-03 13:13:41,069 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 [2025-03-03 13:13:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 13:13:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 13:13:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 13:13:41,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 13:13:41,121 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 13:13:41,123 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 13:13:41,177 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2025-03-03 13:13:41,178 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 13:13:41,183 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 13:13:41,184 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 13:13:41,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 01:13:41 BoogieIcfgContainer [2025-03-03 13:13:41,184 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 13:13:41,186 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 13:13:41,186 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 13:13:41,189 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 13:13:41,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 01:13:40" (1/3) ... [2025-03-03 13:13:41,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3671dc7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 01:13:41, skipping insertion in model container [2025-03-03 13:13:41,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:41" (2/3) ... [2025-03-03 13:13:41,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3671dc7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 01:13:41, skipping insertion in model container [2025-03-03 13:13:41,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 01:13:41" (3/3) ... [2025-03-03 13:13:41,191 INFO L128 eAbstractionObserver]: Analyzing ICFG coral-benchmark01.c [2025-03-03 13:13:41,201 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 13:13:41,203 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG coral-benchmark01.c that has 1 procedures, 11 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-03 13:13:41,238 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 13:13:41,247 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;@7ad4ecf2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 13:13:41,247 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 13:13:41,249 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) [2025-03-03 13:13:41,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-03 13:13:41,253 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 13:13:41,254 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-03 13:13:41,254 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 13:13:41,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 13:13:41,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1300623357, now seen corresponding path program 1 times [2025-03-03 13:13:41,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 13:13:41,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093201859] [2025-03-03 13:13:41,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 13:13:41,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 13:13:41,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-03 13:13:41,319 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-03 13:13:41,320 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 13:13:41,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 13:13:41,320 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 13:13:41,323 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-03 13:13:41,328 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-03 13:13:41,328 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 13:13:41,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 13:13:41,339 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-03 13:13:41,340 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-03 13:13:41,341 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 13:13:41,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-03 13:13:41,346 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-03-03 13:13:41,357 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 13:13:41,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 01:13:41 BoogieIcfgContainer [2025-03-03 13:13:41,361 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 13:13:41,362 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 13:13:41,362 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 13:13:41,362 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 13:13:41,363 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 01:13:41" (3/4) ... [2025-03-03 13:13:41,364 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-03 13:13:41,365 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 13:13:41,365 INFO L158 Benchmark]: Toolchain (without parser) took 493.54ms. Allocated memory is still 167.8MB. Free memory was 133.8MB in the beginning and 98.5MB in the end (delta: 35.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-03 13:13:41,366 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 128.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 13:13:41,366 INFO L158 Benchmark]: CACSL2BoogieTranslator took 134.35ms. Allocated memory is still 167.8MB. Free memory was 133.8MB in the beginning and 123.4MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 13:13:41,366 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.47ms. Allocated memory is still 167.8MB. Free memory was 123.4MB in the beginning and 122.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 13:13:41,366 INFO L158 Benchmark]: Boogie Preprocessor took 15.62ms. Allocated memory is still 167.8MB. Free memory was 122.0MB in the beginning and 121.1MB in the end (delta: 913.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 13:13:41,366 INFO L158 Benchmark]: IcfgBuilder took 142.65ms. Allocated memory is still 167.8MB. Free memory was 121.1MB in the beginning and 111.6MB in the end (delta: 9.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 13:13:41,367 INFO L158 Benchmark]: TraceAbstraction took 175.42ms. Allocated memory is still 167.8MB. Free memory was 110.7MB in the beginning and 99.0MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 13:13:41,367 INFO L158 Benchmark]: Witness Printer took 2.59ms. Allocated memory is still 167.8MB. Free memory was 99.0MB in the beginning and 98.5MB in the end (delta: 446.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 13:13:41,368 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 128.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 134.35ms. Allocated memory is still 167.8MB. Free memory was 133.8MB in the beginning and 123.4MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 17.47ms. Allocated memory is still 167.8MB. Free memory was 123.4MB in the beginning and 122.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.62ms. Allocated memory is still 167.8MB. Free memory was 122.0MB in the beginning and 121.1MB in the end (delta: 913.9kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 142.65ms. Allocated memory is still 167.8MB. Free memory was 121.1MB in the beginning and 111.6MB in the end (delta: 9.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 175.42ms. Allocated memory is still 167.8MB. Free memory was 110.7MB in the beginning and 99.0MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 2.59ms. Allocated memory is still 167.8MB. Free memory was 99.0MB in the beginning and 98.5MB in the end (delta: 446.9kB). 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: 0.1s, 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-03 13:13:41,382 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/21.0.5-tem/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_1.6.800.v20240513-1750.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 0.3.0-?-798a7b3-m [2025-03-03 13:13:43,172 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 13:13:43,254 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-03 13:13:43,259 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 13:13:43,262 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 13:13:43,281 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 13:13:43,282 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 13:13:43,282 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 13:13:43,283 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 13:13:43,283 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 13:13:43,283 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 13:13:43,284 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 13:13:43,284 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 13:13:43,284 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 13:13:43,284 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 13:13:43,285 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 13:13:43,285 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 13:13:43,285 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 13:13:43,285 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 13:13:43,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 13:13:43,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 13:13:43,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 13:13:43,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 13:13:43,285 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-03 13:13:43,286 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-03 13:13:43,286 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-03 13:13:43,286 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 13:13:43,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 13:13:43,286 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 13:13:43,286 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 13:13:43,286 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 13:13:43,286 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 13:13:43,286 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 13:13:43,287 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 13:13:43,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 13:13:43,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 13:13:43,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 13:13:43,287 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 13:13:43,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 13:13:43,287 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-03 13:13:43,287 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-03 13:13:43,287 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 13:13:43,288 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 13:13:43,288 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 13:13:43,288 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 13:13:43,288 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 [2025-03-03 13:13:43,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 13:13:43,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 13:13:43,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 13:13:43,558 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 13:13:43,558 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 13:13:43,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/coral-benchmark01.c [2025-03-03 13:13:44,706 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fd483fc9/baa900bb6f8146debe12bd8f7860cc37/FLAGffc605d1d [2025-03-03 13:13:44,861 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 13:13:44,862 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark01.c [2025-03-03 13:13:44,866 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fd483fc9/baa900bb6f8146debe12bd8f7860cc37/FLAGffc605d1d [2025-03-03 13:13:45,268 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fd483fc9/baa900bb6f8146debe12bd8f7860cc37 [2025-03-03 13:13:45,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 13:13:45,271 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 13:13:45,272 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 13:13:45,272 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 13:13:45,275 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 13:13:45,276 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 01:13:45" (1/1) ... [2025-03-03 13:13:45,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10d02f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:45, skipping insertion in model container [2025-03-03 13:13:45,276 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 01:13:45" (1/1) ... [2025-03-03 13:13:45,287 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 13:13:45,381 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] [2025-03-03 13:13:45,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 13:13:45,396 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 13:13:45,403 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] [2025-03-03 13:13:45,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 13:13:45,418 INFO L204 MainTranslator]: Completed translation [2025-03-03 13:13:45,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:45 WrapperNode [2025-03-03 13:13:45,420 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 13:13:45,421 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 13:13:45,421 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 13:13:45,422 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 13:13:45,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:45" (1/1) ... [2025-03-03 13:13:45,431 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:45" (1/1) ... [2025-03-03 13:13:45,441 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2025-03-03 13:13:45,441 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 13:13:45,441 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 13:13:45,441 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 13:13:45,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 13:13:45,446 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:45" (1/1) ... [2025-03-03 13:13:45,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:45" (1/1) ... [2025-03-03 13:13:45,447 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:45" (1/1) ... [2025-03-03 13:13:45,454 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]. [2025-03-03 13:13:45,454 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:45" (1/1) ... [2025-03-03 13:13:45,454 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:45" (1/1) ... [2025-03-03 13:13:45,457 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:45" (1/1) ... [2025-03-03 13:13:45,457 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:45" (1/1) ... [2025-03-03 13:13:45,458 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:45" (1/1) ... [2025-03-03 13:13:45,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:45" (1/1) ... [2025-03-03 13:13:45,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 13:13:45,460 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 13:13:45,460 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 13:13:45,460 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 13:13:45,461 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:45" (1/1) ... [2025-03-03 13:13:45,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 13:13:45,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 13:13:45,489 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) [2025-03-03 13:13:45,491 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 [2025-03-03 13:13:45,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 13:13:45,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-03 13:13:45,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 13:13:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 13:13:45,557 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 13:13:45,559 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 13:13:45,854 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2025-03-03 13:13:45,855 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 13:13:45,860 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 13:13:45,860 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 13:13:45,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 01:13:45 BoogieIcfgContainer [2025-03-03 13:13:45,860 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 13:13:45,862 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 13:13:45,862 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 13:13:45,865 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 13:13:45,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 01:13:45" (1/3) ... [2025-03-03 13:13:45,866 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@307fa64d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 01:13:45, skipping insertion in model container [2025-03-03 13:13:45,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:45" (2/3) ... [2025-03-03 13:13:45,866 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@307fa64d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 01:13:45, skipping insertion in model container [2025-03-03 13:13:45,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 01:13:45" (3/3) ... [2025-03-03 13:13:45,867 INFO L128 eAbstractionObserver]: Analyzing ICFG coral-benchmark01.c [2025-03-03 13:13:45,876 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 13:13:45,877 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG coral-benchmark01.c that has 1 procedures, 11 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-03 13:13:45,907 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 13:13:45,914 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;@79934fb1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 13:13:45,914 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 13:13:45,916 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) [2025-03-03 13:13:45,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-03 13:13:45,922 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 13:13:45,922 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-03 13:13:45,923 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 13:13:45,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 13:13:45,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1300623357, now seen corresponding path program 1 times [2025-03-03 13:13:45,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 13:13:45,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2004990629] [2025-03-03 13:13:45,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 13:13:45,932 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 [2025-03-03 13:13:45,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 13:13:45,935 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) [2025-03-03 13:13:45,936 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 [2025-03-03 13:13:45,967 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-03 13:13:46,024 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-03 13:13:46,025 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 13:13:46,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 13:13:46,025 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 13:13:46,033 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-03 13:13:46,080 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-03 13:13:46,080 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 13:13:46,080 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 13:13:46,098 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-03-03 13:13:46,100 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-03 13:13:46,100 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 13:13:46,108 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 [2025-03-03 13:13:46,302 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 [2025-03-03 13:13:46,306 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-03-03 13:13:46,317 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 13:13:46,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 01:13:46 BoogieIcfgContainer [2025-03-03 13:13:46,319 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 13:13:46,320 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 13:13:46,320 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 13:13:46,320 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 13:13:46,320 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 01:13:45" (3/4) ... [2025-03-03 13:13:46,322 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-03 13:13:46,323 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 13:13:46,324 INFO L158 Benchmark]: Toolchain (without parser) took 1052.62ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 25.8MB in the end (delta: 34.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-03 13:13:46,324 INFO L158 Benchmark]: CDTParser took 1.64ms. Allocated memory is still 83.9MB. Free memory was 62.7MB in the beginning and 62.6MB in the end (delta: 33.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 13:13:46,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 148.47ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 48.9MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 13:13:46,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.20ms. Allocated memory is still 83.9MB. Free memory was 48.9MB in the beginning and 47.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 13:13:46,325 INFO L158 Benchmark]: Boogie Preprocessor took 18.37ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 46.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 13:13:46,325 INFO L158 Benchmark]: IcfgBuilder took 400.14ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 37.2MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 13:13:46,325 INFO L158 Benchmark]: TraceAbstraction took 457.42ms. Allocated memory is still 83.9MB. Free memory was 36.6MB in the beginning and 25.8MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 13:13:46,326 INFO L158 Benchmark]: Witness Printer took 3.20ms. Allocated memory is still 83.9MB. Free memory is still 25.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 13:13:46,327 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.64ms. Allocated memory is still 83.9MB. Free memory was 62.7MB in the beginning and 62.6MB in the end (delta: 33.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 148.47ms. Allocated memory is still 83.9MB. Free memory was 60.0MB in the beginning and 48.9MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.20ms. Allocated memory is still 83.9MB. Free memory was 48.9MB in the beginning and 47.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.37ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 46.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 400.14ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 37.2MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 457.42ms. Allocated memory is still 83.9MB. Free memory was 36.6MB in the beginning and 25.8MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.20ms. Allocated memory is still 83.9MB. Free memory is still 25.8MB. 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 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: 0.4s, 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, 0.1s 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-03 13:13:46,344 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