./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-nonlinear/coral-benchmark10.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-benchmark10.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 6414b3755536d19717c63671da35e9ec5070accb5d49a22150ae3def9e5d44fb --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 13:13:52,760 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 13:13:52,803 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-03 13:13:52,806 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 13:13:52,806 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 13:13:52,824 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 13:13:52,825 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 13:13:52,825 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 13:13:52,826 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 13:13:52,826 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 13:13:52,826 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 13:13:52,826 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 13:13:52,826 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 13:13:52,827 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 13:13:52,827 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 13:13:52,827 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 13:13:52,827 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 13:13:52,828 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 13:13:52,828 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-03 13:13:52,828 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 13:13:52,828 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 13:13:52,828 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 13:13:52,828 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 13:13:52,828 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 13:13:52,828 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 13:13:52,828 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 13:13:52,828 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 13:13:52,828 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 13:13:52,828 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 13:13:52,828 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 13:13:52,829 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 13:13:52,829 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 13:13:52,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 13:13:52,829 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 13:13:52,829 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 13:13:52,829 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 13:13:52,829 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 13:13:52,829 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-03 13:13:52,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-03 13:13:52,830 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 13:13:52,830 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 13:13:52,830 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 13:13:52,830 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 13:13:52,830 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 -> 6414b3755536d19717c63671da35e9ec5070accb5d49a22150ae3def9e5d44fb [2025-03-03 13:13:53,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 13:13:53,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 13:13:53,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 13:13:53,062 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 13:13:53,062 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 13:13:53,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/coral-benchmark10.c [2025-03-03 13:13:54,188 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4ec606be/c05f8177fe384381b375a6a75e8b476a/FLAG6a0c669c2 [2025-03-03 13:13:54,407 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 13:13:54,407 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark10.c [2025-03-03 13:13:54,412 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4ec606be/c05f8177fe384381b375a6a75e8b476a/FLAG6a0c669c2 [2025-03-03 13:13:54,421 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4ec606be/c05f8177fe384381b375a6a75e8b476a [2025-03-03 13:13:54,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 13:13:54,423 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 13:13:54,424 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 13:13:54,424 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 13:13:54,427 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 13:13:54,427 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 01:13:54" (1/1) ... [2025-03-03 13:13:54,428 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3198cc8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:54, skipping insertion in model container [2025-03-03 13:13:54,428 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 01:13:54" (1/1) ... [2025-03-03 13:13:54,438 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 13:13:54,529 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-benchmark10.c[758,771] [2025-03-03 13:13:54,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 13:13:54,545 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 13:13:54,553 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-benchmark10.c[758,771] [2025-03-03 13:13:54,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 13:13:54,566 INFO L204 MainTranslator]: Completed translation [2025-03-03 13:13:54,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:54 WrapperNode [2025-03-03 13:13:54,568 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 13:13:54,569 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 13:13:54,569 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 13:13:54,570 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 13:13:54,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:54" (1/1) ... [2025-03-03 13:13:54,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:54" (1/1) ... [2025-03-03 13:13:54,590 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2025-03-03 13:13:54,590 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 13:13:54,590 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 13:13:54,590 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 13:13:54,591 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 13:13:54,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:54" (1/1) ... [2025-03-03 13:13:54,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:54" (1/1) ... [2025-03-03 13:13:54,597 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:54" (1/1) ... [2025-03-03 13:13:54,605 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 13:13:54,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:54" (1/1) ... [2025-03-03 13:13:54,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:54" (1/1) ... [2025-03-03 13:13:54,608 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:54" (1/1) ... [2025-03-03 13:13:54,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:54" (1/1) ... [2025-03-03 13:13:54,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:54" (1/1) ... [2025-03-03 13:13:54,615 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:54" (1/1) ... [2025-03-03 13:13:54,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 13:13:54,616 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 13:13:54,616 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 13:13:54,617 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 13:13:54,617 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:54" (1/1) ... [2025-03-03 13:13:54,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 13:13:54,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 13:13:54,645 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 13:13:54,650 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 13:13:54,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 13:13:54,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-03 13:13:54,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 13:13:54,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 13:13:54,704 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 13:13:54,706 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 13:13:54,765 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2025-03-03 13:13:54,766 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 13:13:54,771 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 13:13:54,771 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 13:13:54,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 01:13:54 BoogieIcfgContainer [2025-03-03 13:13:54,771 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 13:13:54,773 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 13:13:54,773 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 13:13:54,777 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 13:13:54,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 01:13:54" (1/3) ... [2025-03-03 13:13:54,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9223b4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 01:13:54, skipping insertion in model container [2025-03-03 13:13:54,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:54" (2/3) ... [2025-03-03 13:13:54,779 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9223b4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 01:13:54, skipping insertion in model container [2025-03-03 13:13:54,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 01:13:54" (3/3) ... [2025-03-03 13:13:54,780 INFO L128 eAbstractionObserver]: Analyzing ICFG coral-benchmark10.c [2025-03-03 13:13:54,790 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 13:13:54,791 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG coral-benchmark10.c that has 1 procedures, 11 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-03 13:13:54,829 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 13:13:54,838 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;@34c7eeb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 13:13:54,839 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 13:13:54,841 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 13:13:54,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-03 13:13:54,845 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 13:13:54,845 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-03 13:13:54,846 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 13:13:54,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 13:13:54,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1300623357, now seen corresponding path program 1 times [2025-03-03 13:13:54,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-03 13:13:54,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714923314] [2025-03-03 13:13:54,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 13:13:54,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-03 13:13:54,908 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-03 13:13:54,924 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-03 13:13:54,925 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 13:13:54,925 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 13:13:54,925 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 13:13:54,930 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-03 13:13:54,937 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-03 13:13:54,938 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 13:13:54,938 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 13:13:54,948 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-03 13:13:54,948 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-03 13:13:54,949 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 13:13:54,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-03 13:13:54,952 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-03-03 13:13:54,962 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 13:13:54,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 01:13:54 BoogieIcfgContainer [2025-03-03 13:13:54,963 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 13:13:54,964 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 13:13:54,964 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 13:13:54,964 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 13:13:54,964 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 01:13:54" (3/4) ... [2025-03-03 13:13:54,966 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-03 13:13:54,966 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 13:13:54,967 INFO L158 Benchmark]: Toolchain (without parser) took 543.46ms. Allocated memory is still 167.8MB. Free memory was 134.5MB in the beginning and 98.8MB in the end (delta: 35.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-03 13:13:54,967 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 13:13:54,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 144.45ms. Allocated memory is still 167.8MB. Free memory was 134.5MB in the beginning and 123.7MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 13:13:54,967 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.48ms. Allocated memory is still 167.8MB. Free memory was 123.7MB in the beginning and 122.8MB in the end (delta: 900.3kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 13:13:54,968 INFO L158 Benchmark]: Boogie Preprocessor took 25.52ms. Allocated memory is still 167.8MB. Free memory was 122.8MB in the beginning and 121.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 13:13:54,968 INFO L158 Benchmark]: IcfgBuilder took 155.21ms. Allocated memory is still 167.8MB. Free memory was 121.4MB in the beginning and 111.8MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-03 13:13:54,968 INFO L158 Benchmark]: TraceAbstraction took 190.18ms. Allocated memory is still 167.8MB. Free memory was 111.4MB in the beginning and 99.2MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 13:13:54,968 INFO L158 Benchmark]: Witness Printer took 2.45ms. Allocated memory is still 167.8MB. Free memory was 99.2MB in the beginning and 98.8MB in the end (delta: 450.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 13:13:54,969 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 144.45ms. Allocated memory is still 167.8MB. Free memory was 134.5MB in the beginning and 123.7MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.48ms. Allocated memory is still 167.8MB. Free memory was 123.7MB in the beginning and 122.8MB in the end (delta: 900.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.52ms. Allocated memory is still 167.8MB. Free memory was 122.8MB in the beginning and 121.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 155.21ms. Allocated memory is still 167.8MB. Free memory was 121.4MB in the beginning and 111.8MB in the end (delta: 9.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 190.18ms. Allocated memory is still 167.8MB. Free memory was 111.4MB in the beginning and 99.2MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 2.45ms. Allocated memory is still 167.8MB. Free memory was 99.2MB in the beginning and 98.8MB in the end (delta: 450.2kB). 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 benchmark10(x, y, z) [L31] COND TRUE sin(x * cos(y * sin(z))) > cos(x * sin(y * cos(z))) [L32] return 1; VAL [\result=1] [L42] RET, EXPR benchmark10(x, y, z) [L42] CALL __VERIFIER_assert(!benchmark10(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 13:13:54,980 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-benchmark10.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 6414b3755536d19717c63671da35e9ec5070accb5d49a22150ae3def9e5d44fb --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-03 13:13:56,754 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-03 13:13:56,856 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-03 13:13:56,861 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-03 13:13:56,863 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-03 13:13:56,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-03 13:13:56,885 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-03 13:13:56,885 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-03 13:13:56,885 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-03 13:13:56,887 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-03 13:13:56,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-03 13:13:56,888 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-03 13:13:56,888 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-03 13:13:56,889 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-03 13:13:56,889 INFO L153 SettingsManager]: * Use SBE=true [2025-03-03 13:13:56,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-03 13:13:56,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-03 13:13:56,889 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-03 13:13:56,889 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-03 13:13:56,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-03 13:13:56,890 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-03 13:13:56,890 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-03 13:13:56,890 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-03 13:13:56,890 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-03 13:13:56,890 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-03 13:13:56,890 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-03 13:13:56,890 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-03 13:13:56,890 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-03 13:13:56,890 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-03 13:13:56,890 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-03 13:13:56,891 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-03 13:13:56,891 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-03 13:13:56,891 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-03 13:13:56,891 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-03 13:13:56,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 13:13:56,891 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-03 13:13:56,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-03 13:13:56,892 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-03 13:13:56,892 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-03 13:13:56,892 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-03 13:13:56,892 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-03 13:13:56,892 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-03 13:13:56,892 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-03 13:13:56,892 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-03 13:13:56,892 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-03 13:13:56,893 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 -> 6414b3755536d19717c63671da35e9ec5070accb5d49a22150ae3def9e5d44fb [2025-03-03 13:13:57,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-03 13:13:57,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-03 13:13:57,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-03 13:13:57,222 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-03 13:13:57,222 INFO L274 PluginConnector]: CDTParser initialized [2025-03-03 13:13:57,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/coral-benchmark10.c [2025-03-03 13:13:58,397 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25296bf49/eccd771ff5e3497ea91c57aa22b01cba/FLAG1719a86a0 [2025-03-03 13:13:58,571 INFO L384 CDTParser]: Found 1 translation units. [2025-03-03 13:13:58,572 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/coral-benchmark10.c [2025-03-03 13:13:58,578 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25296bf49/eccd771ff5e3497ea91c57aa22b01cba/FLAG1719a86a0 [2025-03-03 13:13:58,594 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25296bf49/eccd771ff5e3497ea91c57aa22b01cba [2025-03-03 13:13:58,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-03 13:13:58,599 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-03 13:13:58,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-03 13:13:58,601 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-03 13:13:58,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-03 13:13:58,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 01:13:58" (1/1) ... [2025-03-03 13:13:58,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6db427ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:58, skipping insertion in model container [2025-03-03 13:13:58,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 01:13:58" (1/1) ... [2025-03-03 13:13:58,617 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-03 13:13:58,714 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-benchmark10.c[758,771] [2025-03-03 13:13:58,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 13:13:58,733 INFO L200 MainTranslator]: Completed pre-run [2025-03-03 13:13:58,740 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-benchmark10.c[758,771] [2025-03-03 13:13:58,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-03 13:13:58,756 INFO L204 MainTranslator]: Completed translation [2025-03-03 13:13:58,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:58 WrapperNode [2025-03-03 13:13:58,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-03 13:13:58,759 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-03 13:13:58,759 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-03 13:13:58,759 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-03 13:13:58,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:58" (1/1) ... [2025-03-03 13:13:58,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:58" (1/1) ... [2025-03-03 13:13:58,783 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2025-03-03 13:13:58,784 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-03 13:13:58,785 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-03 13:13:58,785 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-03 13:13:58,785 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-03 13:13:58,789 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:58" (1/1) ... [2025-03-03 13:13:58,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:58" (1/1) ... [2025-03-03 13:13:58,791 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:58" (1/1) ... [2025-03-03 13:13:58,799 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 13:13:58,800 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:58" (1/1) ... [2025-03-03 13:13:58,800 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:58" (1/1) ... [2025-03-03 13:13:58,804 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:58" (1/1) ... [2025-03-03 13:13:58,808 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:58" (1/1) ... [2025-03-03 13:13:58,808 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:58" (1/1) ... [2025-03-03 13:13:58,809 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:58" (1/1) ... [2025-03-03 13:13:58,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-03 13:13:58,810 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-03 13:13:58,811 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-03 13:13:58,811 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-03 13:13:58,811 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:58" (1/1) ... [2025-03-03 13:13:58,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-03 13:13:58,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-03 13:13:58,836 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 13:13:58,839 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 13:13:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-03 13:13:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-03 13:13:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-03 13:13:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-03 13:13:58,913 INFO L256 CfgBuilder]: Building ICFG [2025-03-03 13:13:58,914 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-03 13:13:58,990 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2025-03-03 13:13:58,991 INFO L307 CfgBuilder]: Performing block encoding [2025-03-03 13:13:58,996 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-03 13:13:58,996 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-03 13:13:58,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 01:13:58 BoogieIcfgContainer [2025-03-03 13:13:58,997 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-03 13:13:58,998 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-03 13:13:58,998 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-03 13:13:59,005 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-03 13:13:59,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 01:13:58" (1/3) ... [2025-03-03 13:13:59,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d4a8d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 01:13:59, skipping insertion in model container [2025-03-03 13:13:59,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 01:13:58" (2/3) ... [2025-03-03 13:13:59,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d4a8d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 01:13:59, skipping insertion in model container [2025-03-03 13:13:59,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 01:13:58" (3/3) ... [2025-03-03 13:13:59,006 INFO L128 eAbstractionObserver]: Analyzing ICFG coral-benchmark10.c [2025-03-03 13:13:59,016 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-03 13:13:59,019 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG coral-benchmark10.c that has 1 procedures, 11 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-03 13:13:59,053 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-03 13:13:59,061 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;@2f9c514c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-03 13:13:59,061 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-03 13:13:59,064 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 13:13:59,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-03 13:13:59,068 INFO L210 NwaCegarLoop]: Found error trace [2025-03-03 13:13:59,068 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-03 13:13:59,068 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-03 13:13:59,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-03 13:13:59,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1300623357, now seen corresponding path program 1 times [2025-03-03 13:13:59,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-03 13:13:59,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [880832929] [2025-03-03 13:13:59,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-03 13:13:59,079 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 13:13:59,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-03 13:13:59,083 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 13:13:59,084 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 13:13:59,130 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-03 13:13:59,147 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-03 13:13:59,148 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 13:13:59,148 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 13:13:59,148 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-03 13:13:59,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-03 13:13:59,162 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-03 13:13:59,162 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-03 13:13:59,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-03 13:13:59,178 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-03-03 13:13:59,179 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-03 13:13:59,179 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-03 13:13:59,184 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 13:13:59,382 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 13:13:59,384 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-03-03 13:13:59,400 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-03 13:13:59,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.03 01:13:59 BoogieIcfgContainer [2025-03-03 13:13:59,402 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-03 13:13:59,403 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-03 13:13:59,403 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-03 13:13:59,403 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-03 13:13:59,404 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 03.03 01:13:58" (3/4) ... [2025-03-03 13:13:59,405 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-03 13:13:59,406 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-03 13:13:59,406 INFO L158 Benchmark]: Toolchain (without parser) took 808.11ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 51.9MB in the end (delta: 5.3MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2025-03-03 13:13:59,407 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 13:13:59,407 INFO L158 Benchmark]: CACSL2BoogieTranslator took 157.72ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 45.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 13:13:59,407 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.87ms. Allocated memory is still 83.9MB. Free memory was 45.7MB in the beginning and 44.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 13:13:59,407 INFO L158 Benchmark]: Boogie Preprocessor took 25.14ms. Allocated memory is still 83.9MB. Free memory was 44.5MB in the beginning and 43.2MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 13:13:59,408 INFO L158 Benchmark]: IcfgBuilder took 186.25ms. Allocated memory is still 83.9MB. Free memory was 43.2MB in the beginning and 34.0MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-03 13:13:59,408 INFO L158 Benchmark]: TraceAbstraction took 404.40ms. Allocated memory is still 83.9MB. Free memory was 33.5MB in the beginning and 52.0MB in the end (delta: -18.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 13:13:59,408 INFO L158 Benchmark]: Witness Printer took 2.76ms. Allocated memory is still 83.9MB. Free memory was 52.0MB in the beginning and 51.9MB in the end (delta: 13.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-03 13:13:59,409 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 157.72ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 45.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.87ms. Allocated memory is still 83.9MB. Free memory was 45.7MB in the beginning and 44.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.14ms. Allocated memory is still 83.9MB. Free memory was 44.5MB in the beginning and 43.2MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 186.25ms. Allocated memory is still 83.9MB. Free memory was 43.2MB in the beginning and 34.0MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 404.40ms. Allocated memory is still 83.9MB. Free memory was 33.5MB in the beginning and 52.0MB in the end (delta: -18.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.76ms. Allocated memory is still 83.9MB. Free memory was 52.0MB in the beginning and 51.9MB in the end (delta: 13.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 22]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of cos at line 31. Possible FailurePath: [L38] double x, y, z; [L39] x = __VERIFIER_nondet_double() [L40] y = __VERIFIER_nondet_double() [L41] z = __VERIFIER_nondet_double() [L42] CALL, EXPR benchmark10(x, y, z) [L31] COND TRUE sin(x * cos(y * sin(z))) > cos(x * sin(y * cos(z))) [L32] return 1; VAL [\result=1] [L42] RET, EXPR benchmark10(x, y, z) [L42] CALL __VERIFIER_assert(!benchmark10(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: 0.3s, 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 13:13:59,423 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