./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-nonlinear/coral-benchmark06.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-benchmark06.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 ea59b90fa52051393d4aed9cf2948befe2a212f0c55958726915f86b8eab3f63 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 13:13:46,548 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 13:13:46,590 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 13:13:46,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 13:13:46,595 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 13:13:46,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 13:13:46,613 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 13:13:46,613 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 13:13:46,613 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 13:13:46,613 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 13:13:46,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 13:13:46,614 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 13:13:46,614 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 13:13:46,614 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 13:13:46,614 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 13:13:46,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 13:13:46,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 13:13:46,615 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 13:13:46,615 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 13:13:46,615 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 13:13:46,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 13:13:46,615 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 13:13:46,615 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 13:13:46,615 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 13:13:46,615 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 13:13:46,616 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 13:13:46,616 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 13:13:46,616 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 13:13:46,616 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 13:13:46,616 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 13:13:46,616 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 13:13:46,616 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 13:13:46,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 13:13:46,616 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 13:13:46,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 13:13:46,617 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 13:13:46,617 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 13:13:46,617 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 13:13:46,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 13:13:46,617 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 13:13:46,617 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 13:13:46,617 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 13:13:46,617 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 13:13:46,617 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 -> ea59b90fa52051393d4aed9cf2948befe2a212f0c55958726915f86b8eab3f63 [2025-03-03 13:13:46,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 13:13:46,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 13:13:46,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 13:13:46,828 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 13:13:46,828 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 13:13:46,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/coral-benchmark06.c [2025-03-03 13:13:47,971 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6088960f/497c7581a2eb40dcaace0f70b0b82b3e/FLAG891c1a29a [2025-03-03 13:13:48,200 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 13:13:48,201 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark06.c [2025-03-03 13:13:48,208 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6088960f/497c7581a2eb40dcaace0f70b0b82b3e/FLAG891c1a29a [2025-03-03 13:13:48,544 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6088960f/497c7581a2eb40dcaace0f70b0b82b3e [2025-03-03 13:13:48,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 13:13:48,548 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 13:13:48,550 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 13:13:48,550 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 13:13:48,553 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 13:13:48,553 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 01:13:48" (1/1) ... [2025-03-03 13:13:48,555 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@404fd5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:48, skipping insertion in model container [2025-03-03 13:13:48,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 01:13:48" (1/1) ... [2025-03-03 13:13:48,564 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 13:13:48,652 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-benchmark06.c[758,771] [2025-03-03 13:13:48,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 13:13:48,668 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 13:13:48,675 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-benchmark06.c[758,771] [2025-03-03 13:13:48,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 13:13:48,688 INFO L204 MainTranslator]: Completed translation [2025-03-03 13:13:48,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:48 WrapperNode [2025-03-03 13:13:48,689 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 13:13:48,691 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 13:13:48,691 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 13:13:48,691 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 13:13:48,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:48" (1/1) ... [2025-03-03 13:13:48,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:48" (1/1) ... [2025-03-03 13:13:48,711 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2025-03-03 13:13:48,713 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 13:13:48,714 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 13:13:48,714 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 13:13:48,714 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 13:13:48,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:48" (1/1) ... [2025-03-03 13:13:48,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:48" (1/1) ... [2025-03-03 13:13:48,720 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:48" (1/1) ... [2025-03-03 13:13:48,726 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 13:13:48,726 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:48" (1/1) ... [2025-03-03 13:13:48,726 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:48" (1/1) ... [2025-03-03 13:13:48,730 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:48" (1/1) ... [2025-03-03 13:13:48,732 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:48" (1/1) ... [2025-03-03 13:13:48,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:48" (1/1) ... [2025-03-03 13:13:48,736 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:48" (1/1) ... [2025-03-03 13:13:48,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 13:13:48,739 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 13:13:48,739 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 13:13:48,739 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 13:13:48,740 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:48" (1/1) ... [2025-03-03 13:13:48,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 13:13:48,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 13:13:48,763 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 13:13:48,765 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 13:13:48,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 13:13:48,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 13:13:48,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 13:13:48,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 13:13:48,825 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 13:13:48,826 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 13:13:48,878 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2025-03-03 13:13:48,878 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 13:13:48,883 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 13:13:48,883 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 13:13:48,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 01:13:48 BoogieIcfgContainer [2025-03-03 13:13:48,883 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 13:13:48,885 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 13:13:48,885 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 13:13:48,888 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 13:13:48,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 01:13:48" (1/3) ... [2025-03-03 13:13:48,889 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10305687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 01:13:48, skipping insertion in model container [2025-03-03 13:13:48,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:48" (2/3) ... [2025-03-03 13:13:48,889 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10305687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 01:13:48, skipping insertion in model container [2025-03-03 13:13:48,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 01:13:48" (3/3) ... [2025-03-03 13:13:48,890 INFO L128 eAbstractionObserver]: Analyzing ICFG coral-benchmark06.c [2025-03-03 13:13:48,899 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 13:13:48,900 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG coral-benchmark06.c that has 1 procedures, 11 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-03 13:13:48,934 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 13:13:48,943 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;@7e991366, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 13:13:48,945 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 13:13:48,948 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 13:13:48,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-03 13:13:48,951 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 13:13:48,952 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-03 13:13:48,952 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 13:13:48,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 13:13:48,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1300623357, now seen corresponding path program 1 times [2025-03-03 13:13:48,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 13:13:48,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029205737] [2025-03-03 13:13:48,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 13:13:48,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 13:13:49,018 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-03 13:13:49,035 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-03 13:13:49,036 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 13:13:49,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 13:13:49,037 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 13:13:49,039 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-03 13:13:49,046 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-03 13:13:49,046 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 13:13:49,046 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 13:13:49,058 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-03 13:13:49,059 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-03 13:13:49,060 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 13:13:49,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-03 13:13:49,066 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-03-03 13:13:49,077 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 13:13:49,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 01:13:49 BoogieIcfgContainer [2025-03-03 13:13:49,081 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 13:13:49,082 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 13:13:49,082 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 13:13:49,082 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 13:13:49,083 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 01:13:48" (3/4) ... [2025-03-03 13:13:49,084 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-03 13:13:49,085 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 13:13:49,086 INFO L158 Benchmark]: Toolchain (without parser) took 537.58ms. Allocated memory is still 201.3MB. Free memory was 158.6MB in the beginning and 122.0MB in the end (delta: 36.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-03 13:13:49,086 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 201.3MB. Free memory is still 116.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 13:13:49,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 139.80ms. Allocated memory is still 201.3MB. Free memory was 158.6MB in the beginning and 147.9MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 13:13:49,087 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.59ms. Allocated memory is still 201.3MB. Free memory was 147.9MB in the beginning and 146.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 13:13:49,087 INFO L158 Benchmark]: Boogie Preprocessor took 24.58ms. Allocated memory is still 201.3MB. Free memory was 146.5MB in the beginning and 145.6MB in the end (delta: 890.4kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 13:13:49,088 INFO L158 Benchmark]: IcfgBuilder took 144.77ms. Allocated memory is still 201.3MB. Free memory was 145.3MB in the beginning and 135.0MB in the end (delta: 10.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 13:13:49,088 INFO L158 Benchmark]: TraceAbstraction took 196.33ms. Allocated memory is still 201.3MB. Free memory was 134.2MB in the beginning and 122.2MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 13:13:49,088 INFO L158 Benchmark]: Witness Printer took 3.33ms. Allocated memory is still 201.3MB. Free memory is still 122.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 13:13:49,089 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 201.3MB. Free memory is still 116.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 139.80ms. Allocated memory is still 201.3MB. Free memory was 158.6MB in the beginning and 147.9MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.59ms. Allocated memory is still 201.3MB. Free memory was 147.9MB in the beginning and 146.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.58ms. Allocated memory is still 201.3MB. Free memory was 146.5MB in the beginning and 145.6MB in the end (delta: 890.4kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 144.77ms. Allocated memory is still 201.3MB. Free memory was 145.3MB in the beginning and 135.0MB in the end (delta: 10.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 196.33ms. Allocated memory is still 201.3MB. Free memory was 134.2MB in the beginning and 122.2MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.33ms. Allocated memory is still 201.3MB. Free memory is still 122.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 22]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 31. Possible FailurePath: [L38] double x, y, z; [L39] x = __VERIFIER_nondet_double() [L40] y = __VERIFIER_nondet_double() [L41] z = __VERIFIER_nondet_double() [L42] CALL, EXPR benchmark06(x, y, z) [L31] COND TRUE cos(x) + cos(y) + cos(z) > 4 * sin(x/2) * sin(y/2) * sin(z/2) [L32] return 1; VAL [\result=1] [L42] RET, EXPR benchmark06(x, y, z) [L42] CALL __VERIFIER_assert(!benchmark06(x, y, z)) [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 13:13:49,103 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-benchmark06.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 ea59b90fa52051393d4aed9cf2948befe2a212f0c55958726915f86b8eab3f63 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 13:13:50,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 13:13:50,861 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-03 13:13:50,868 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 13:13:50,868 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 13:13:50,883 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 13:13:50,883 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 13:13:50,883 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 13:13:50,884 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 13:13:50,884 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 13:13:50,884 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 13:13:50,884 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 13:13:50,884 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 13:13:50,884 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 13:13:50,884 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 13:13:50,885 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 13:13:50,885 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 13:13:50,885 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 13:13:50,885 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 13:13:50,885 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 13:13:50,885 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 13:13:50,885 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 13:13:50,885 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 13:13:50,885 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-03 13:13:50,885 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-03 13:13:50,885 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-03 13:13:50,885 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 13:13:50,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 13:13:50,886 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 13:13:50,886 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 13:13:50,886 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 13:13:50,886 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 13:13:50,886 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 13:13:50,886 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 13:13:50,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 13:13:50,886 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 13:13:50,886 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 13:13:50,886 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 13:13:50,887 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 13:13:50,887 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-03 13:13:50,887 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-03 13:13:50,887 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 13:13:50,887 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 13:13:50,887 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 13:13:50,887 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 13:13:50,887 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 -> ea59b90fa52051393d4aed9cf2948befe2a212f0c55958726915f86b8eab3f63 [2025-03-03 13:13:51,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 13:13:51,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 13:13:51,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 13:13:51,125 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 13:13:51,125 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 13:13:51,126 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/coral-benchmark06.c [2025-03-03 13:13:52,271 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84f85fe0d/1009c5c25b6d4b80886c3d699141c58f/FLAGbd6220cf5 [2025-03-03 13:13:52,405 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 13:13:52,406 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark06.c [2025-03-03 13:13:52,410 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84f85fe0d/1009c5c25b6d4b80886c3d699141c58f/FLAGbd6220cf5 [2025-03-03 13:13:52,819 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84f85fe0d/1009c5c25b6d4b80886c3d699141c58f [2025-03-03 13:13:52,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 13:13:52,822 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 13:13:52,823 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 13:13:52,823 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 13:13:52,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 13:13:52,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 01:13:52" (1/1) ... [2025-03-03 13:13:52,826 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a03345c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:52, skipping insertion in model container [2025-03-03 13:13:52,826 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 01:13:52" (1/1) ... [2025-03-03 13:13:52,834 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 13:13:52,924 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-benchmark06.c[758,771] [2025-03-03 13:13:52,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 13:13:52,945 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 13:13:52,954 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-benchmark06.c[758,771] [2025-03-03 13:13:52,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 13:13:52,969 INFO L204 MainTranslator]: Completed translation [2025-03-03 13:13:52,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:52 WrapperNode [2025-03-03 13:13:52,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 13:13:52,972 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 13:13:52,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 13:13:52,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 13:13:52,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:52" (1/1) ... [2025-03-03 13:13:52,983 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:52" (1/1) ... [2025-03-03 13:13:52,995 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2025-03-03 13:13:52,996 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 13:13:52,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 13:13:52,997 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 13:13:52,997 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 13:13:53,001 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:52" (1/1) ... [2025-03-03 13:13:53,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:52" (1/1) ... [2025-03-03 13:13:53,004 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:52" (1/1) ... [2025-03-03 13:13:53,009 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 13:13:53,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:52" (1/1) ... [2025-03-03 13:13:53,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:52" (1/1) ... [2025-03-03 13:13:53,015 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:52" (1/1) ... [2025-03-03 13:13:53,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:52" (1/1) ... [2025-03-03 13:13:53,021 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:52" (1/1) ... [2025-03-03 13:13:53,021 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:52" (1/1) ... [2025-03-03 13:13:53,023 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 13:13:53,023 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 13:13:53,023 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 13:13:53,023 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 13:13:53,024 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:52" (1/1) ... [2025-03-03 13:13:53,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 13:13:53,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 13:13:53,047 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 13:13:53,050 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 13:13:53,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 13:13:53,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-03 13:13:53,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 13:13:53,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 13:13:53,121 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 13:13:53,122 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 13:14:01,356 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2025-03-03 13:14:01,357 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 13:14:01,363 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 13:14:01,363 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 13:14:01,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 01:14:01 BoogieIcfgContainer [2025-03-03 13:14:01,364 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 13:14:01,367 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 13:14:01,368 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 13:14:01,370 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 13:14:01,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 01:13:52" (1/3) ... [2025-03-03 13:14:01,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e82ea05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 01:14:01, skipping insertion in model container [2025-03-03 13:14:01,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:52" (2/3) ... [2025-03-03 13:14:01,372 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e82ea05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 01:14:01, skipping insertion in model container [2025-03-03 13:14:01,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 01:14:01" (3/3) ... [2025-03-03 13:14:01,373 INFO L128 eAbstractionObserver]: Analyzing ICFG coral-benchmark06.c [2025-03-03 13:14:01,383 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 13:14:01,384 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG coral-benchmark06.c that has 1 procedures, 11 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-03 13:14:01,414 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 13:14:01,423 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;@1731755b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 13:14:01,423 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 13:14:01,426 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 13:14:01,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-03 13:14:01,430 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 13:14:01,430 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-03 13:14:01,430 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 13:14:01,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 13:14:01,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1300623357, now seen corresponding path program 1 times [2025-03-03 13:14:01,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 13:14:01,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [314174258] [2025-03-03 13:14:01,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 13:14:01,441 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 13:14:01,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 13:14:01,444 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 13:14:01,445 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 13:14:01,485 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-03 13:14:01,999 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-03 13:14:01,999 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 13:14:02,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 13:14:02,000 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 13:14:02,030 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-03 13:14:02,715 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-03 13:14:02,715 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 13:14:02,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 13:14:02,759 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-03-03 13:14:02,761 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-03 13:14:02,761 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 13:14:02,787 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 13:14:02,963 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 13:14:02,966 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-03-03 13:14:02,976 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 13:14:02,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 01:14:02 BoogieIcfgContainer [2025-03-03 13:14:02,979 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 13:14:02,979 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 13:14:02,979 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 13:14:02,979 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 13:14:02,980 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 01:14:01" (3/4) ... [2025-03-03 13:14:02,981 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-03 13:14:02,982 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 13:14:02,983 INFO L158 Benchmark]: Toolchain (without parser) took 10160.69ms. Allocated memory is still 83.9MB. Free memory was 57.6MB in the beginning and 51.0MB in the end (delta: 6.7MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2025-03-03 13:14:02,983 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory was 54.0MB in the beginning and 54.0MB in the end (delta: 18.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 13:14:02,983 INFO L158 Benchmark]: CACSL2BoogieTranslator took 148.47ms. Allocated memory is still 83.9MB. Free memory was 57.5MB in the beginning and 46.0MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 13:14:02,983 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.79ms. Allocated memory is still 83.9MB. Free memory was 46.0MB in the beginning and 44.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 13:14:02,983 INFO L158 Benchmark]: Boogie Preprocessor took 25.96ms. Allocated memory is still 83.9MB. Free memory was 44.9MB in the beginning and 43.6MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 13:14:02,984 INFO L158 Benchmark]: IcfgBuilder took 8340.57ms. Allocated memory is still 83.9MB. Free memory was 43.4MB in the beginning and 34.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 13:14:02,985 INFO L158 Benchmark]: TraceAbstraction took 1611.11ms. Allocated memory is still 83.9MB. Free memory was 33.4MB in the beginning and 51.4MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 13:14:02,985 INFO L158 Benchmark]: Witness Printer took 2.79ms. Allocated memory is still 83.9MB. Free memory was 51.4MB in the beginning and 51.0MB in the end (delta: 406.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 13:14:02,986 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory was 54.0MB in the beginning and 54.0MB in the end (delta: 18.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 148.47ms. Allocated memory is still 83.9MB. Free memory was 57.5MB in the beginning and 46.0MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.79ms. Allocated memory is still 83.9MB. Free memory was 46.0MB in the beginning and 44.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.96ms. Allocated memory is still 83.9MB. Free memory was 44.9MB in the beginning and 43.6MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 8340.57ms. Allocated memory is still 83.9MB. Free memory was 43.4MB in the beginning and 34.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1611.11ms. Allocated memory is still 83.9MB. Free memory was 33.4MB in the beginning and 51.4MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.79ms. Allocated memory is still 83.9MB. Free memory was 51.4MB in the beginning and 51.0MB in the end (delta: 406.6kB). 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 sin at line 31. Possible FailurePath: [L38] double x, y, z; [L39] x = __VERIFIER_nondet_double() [L40] y = __VERIFIER_nondet_double() [L41] z = __VERIFIER_nondet_double() [L42] CALL, EXPR benchmark06(x, y, z) [L31] COND TRUE cos(x) + cos(y) + cos(z) > 4 * sin(x/2) * sin(y/2) * sin(z/2) [L32] return 1; VAL [\result=1] [L42] RET, EXPR benchmark06(x, y, z) [L42] CALL __VERIFIER_assert(!benchmark06(x, y, z)) [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: 1.6s, 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, 0.5s 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 13:14:03,050 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