./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-nonlinear/dart-dart.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-nonlinear/dart-dart.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 7a910f33f623c080842e71a75aaedb44b3877931b003e31ad72fc862ee905768 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 02:37:16,553 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 02:37:16,625 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 02:37:16,633 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 02:37:16,633 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 02:37:16,658 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 02:37:16,659 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 02:37:16,659 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 02:37:16,660 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 02:37:16,660 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 02:37:16,660 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 02:37:16,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 02:37:16,662 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 02:37:16,662 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 02:37:16,662 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 02:37:16,662 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 02:37:16,662 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 02:37:16,662 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 02:37:16,662 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 02:37:16,662 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 02:37:16,662 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 02:37:16,663 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 02:37:16,663 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 02:37:16,663 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 02:37:16,663 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 02:37:16,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 02:37:16,663 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 02:37:16,663 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 02:37:16,664 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 02:37:16,664 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 02:37:16,664 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 02:37:16,664 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 02:37:16,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 02:37:16,665 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 02:37:16,665 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 02:37:16,665 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 02:37:16,665 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 02:37:16,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 02:37:16,665 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 02:37:16,665 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 02:37:16,665 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 02:37:16,666 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 02:37:16,666 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 02:37:16,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 02:37:16,666 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 02:37:16,666 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 02:37:16,666 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 02:37:16,666 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 02:37:16,666 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-jdk21/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 -> 7a910f33f623c080842e71a75aaedb44b3877931b003e31ad72fc862ee905768 [2025-01-09 02:37:16,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 02:37:16,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 02:37:16,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 02:37:16,943 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 02:37:16,943 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 02:37:16,945 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/dart-dart.c [2025-01-09 02:37:18,275 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/84d198011/d183118b219341b2a64ee088e566d043/FLAG3c35634c5 [2025-01-09 02:37:18,522 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 02:37:18,523 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/dart-dart.c [2025-01-09 02:37:18,538 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/84d198011/d183118b219341b2a64ee088e566d043/FLAG3c35634c5 [2025-01-09 02:37:18,557 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/84d198011/d183118b219341b2a64ee088e566d043 [2025-01-09 02:37:18,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 02:37:18,582 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 02:37:18,584 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 02:37:18,584 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 02:37:18,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 02:37:18,595 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:37:18" (1/1) ... [2025-01-09 02:37:18,595 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b281dc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:18, skipping insertion in model container [2025-01-09 02:37:18,596 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:37:18" (1/1) ... [2025-01-09 02:37:18,608 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 02:37:18,733 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/dart-dart.c[608,621] [2025-01-09 02:37:18,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 02:37:18,753 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 02:37:18,762 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/dart-dart.c[608,621] [2025-01-09 02:37:18,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 02:37:18,777 INFO L204 MainTranslator]: Completed translation [2025-01-09 02:37:18,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:18 WrapperNode [2025-01-09 02:37:18,779 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 02:37:18,780 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 02:37:18,780 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 02:37:18,781 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 02:37:18,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:18" (1/1) ... [2025-01-09 02:37:18,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:18" (1/1) ... [2025-01-09 02:37:18,804 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24 [2025-01-09 02:37:18,805 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 02:37:18,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 02:37:18,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 02:37:18,806 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 02:37:18,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:18" (1/1) ... [2025-01-09 02:37:18,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:18" (1/1) ... [2025-01-09 02:37:18,815 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:18" (1/1) ... [2025-01-09 02:37:18,825 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]. [2025-01-09 02:37:18,826 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:18" (1/1) ... [2025-01-09 02:37:18,826 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:18" (1/1) ... [2025-01-09 02:37:18,832 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:18" (1/1) ... [2025-01-09 02:37:18,832 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:18" (1/1) ... [2025-01-09 02:37:18,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:18" (1/1) ... [2025-01-09 02:37:18,834 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:18" (1/1) ... [2025-01-09 02:37:18,834 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:18" (1/1) ... [2025-01-09 02:37:18,838 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 02:37:18,840 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 02:37:18,840 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 02:37:18,840 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 02:37:18,841 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:18" (1/1) ... [2025-01-09 02:37:18,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 02:37:18,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 02:37:18,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 02:37:18,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 02:37:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 02:37:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 02:37:18,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 02:37:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 02:37:18,948 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 02:37:18,949 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 02:37:19,032 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2025-01-09 02:37:19,032 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 02:37:19,041 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 02:37:19,042 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 02:37:19,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:37:19 BoogieIcfgContainer [2025-01-09 02:37:19,043 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 02:37:19,045 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 02:37:19,045 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 02:37:19,050 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 02:37:19,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 02:37:18" (1/3) ... [2025-01-09 02:37:19,051 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c74c0fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:37:19, skipping insertion in model container [2025-01-09 02:37:19,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:18" (2/3) ... [2025-01-09 02:37:19,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c74c0fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:37:19, skipping insertion in model container [2025-01-09 02:37:19,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:37:19" (3/3) ... [2025-01-09 02:37:19,054 INFO L128 eAbstractionObserver]: Analyzing ICFG dart-dart.c [2025-01-09 02:37:19,066 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 02:37:19,068 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG dart-dart.c that has 1 procedures, 9 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-01-09 02:37:19,116 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 02:37:19,128 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;@12329bdb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 02:37:19,128 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 02:37:19,132 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 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) [2025-01-09 02:37:19,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-09 02:37:19,137 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 02:37:19,138 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-09 02:37:19,138 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 02:37:19,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 02:37:19,143 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2025-01-09 02:37:19,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 02:37:19,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948243274] [2025-01-09 02:37:19,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 02:37:19,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 02:37:19,210 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-09 02:37:19,231 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-09 02:37:19,233 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 02:37:19,233 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 02:37:19,233 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 02:37:19,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-09 02:37:19,244 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-09 02:37:19,244 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 02:37:19,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 02:37:19,257 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 02:37:19,258 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 02:37:19,260 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 02:37:19,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 02:37:19,265 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-01-09 02:37:19,276 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 02:37:19,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 02:37:19 BoogieIcfgContainer [2025-01-09 02:37:19,282 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 02:37:19,283 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 02:37:19,283 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 02:37:19,283 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 02:37:19,284 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:37:19" (3/4) ... [2025-01-09 02:37:19,286 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-01-09 02:37:19,286 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 02:37:19,287 INFO L158 Benchmark]: Toolchain (without parser) took 726.62ms. Allocated memory was 511.7MB in the beginning and 142.6MB in the end (delta: -369.1MB). Free memory was 475.8MB in the beginning and 72.6MB in the end (delta: 403.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-01-09 02:37:19,289 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 02:37:19,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 195.26ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 96.7MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 02:37:19,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.50ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 95.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 02:37:19,289 INFO L158 Benchmark]: Boogie Preprocessor took 33.01ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 94.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 02:37:19,290 INFO L158 Benchmark]: RCFGBuilder took 203.08ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 85.4MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 02:37:19,290 INFO L158 Benchmark]: TraceAbstraction took 237.61ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 72.6MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 02:37:19,290 INFO L158 Benchmark]: Witness Printer took 3.32ms. Allocated memory is still 142.6MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 02:37:19,291 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 195.26ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 96.7MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.50ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 95.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.01ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 94.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 203.08ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 85.4MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 237.61ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 72.6MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.32ms. Allocated memory is still 142.6MB. Free memory is still 72.6MB. 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: 18]: 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 someBinaryArithmeticDOUBLEoperation at line 28, overapproximation of someBinaryDOUBLEComparisonOperation at line 29. Possible FailurePath: [L26] double x, y; [L27] x = __VERIFIER_nondet_double() [L28] y = x * x * x [L29] CALL __VERIFIER_assert((x >= 0.0 && y >= 0.0) || (x <= 0.0 && y <= 0.0)) [L16] COND TRUE !(cond) [L18] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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, 4 NumberOfCodeBlocks, 4 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 [2025-01-09 02:37:19,304 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-nonlinear/dart-dart.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 7a910f33f623c080842e71a75aaedb44b3877931b003e31ad72fc862ee905768 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 02:37:21,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 02:37:21,623 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-01-09 02:37:21,632 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 02:37:21,633 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 02:37:21,660 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 02:37:21,663 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 02:37:21,663 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 02:37:21,663 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 02:37:21,663 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 02:37:21,664 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 02:37:21,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 02:37:21,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 02:37:21,665 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 02:37:21,665 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 02:37:21,665 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 02:37:21,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 02:37:21,666 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 02:37:21,666 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 02:37:21,666 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 02:37:21,666 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 02:37:21,666 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 02:37:21,666 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 02:37:21,667 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-01-09 02:37:21,667 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-09 02:37:21,667 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-09 02:37:21,667 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 02:37:21,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 02:37:21,667 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 02:37:21,667 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 02:37:21,667 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 02:37:21,667 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 02:37:21,667 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 02:37:21,667 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 02:37:21,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 02:37:21,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 02:37:21,667 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 02:37:21,667 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 02:37:21,668 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 02:37:21,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 02:37:21,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 02:37:21,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 02:37:21,668 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 02:37:21,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 02:37:21,668 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-09 02:37:21,668 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-09 02:37:21,668 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 02:37:21,668 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 02:37:21,668 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 02:37:21,668 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 02:37:21,670 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-jdk21/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 -> 7a910f33f623c080842e71a75aaedb44b3877931b003e31ad72fc862ee905768 [2025-01-09 02:37:21,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 02:37:21,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 02:37:21,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 02:37:21,954 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 02:37:21,955 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 02:37:21,956 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/dart-dart.c [2025-01-09 02:37:23,260 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2f69e8ff0/f202b338c1b5427890f0842d5e9cadd7/FLAG3f6ecf1dd [2025-01-09 02:37:23,509 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 02:37:23,509 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/dart-dart.c [2025-01-09 02:37:23,516 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2f69e8ff0/f202b338c1b5427890f0842d5e9cadd7/FLAG3f6ecf1dd [2025-01-09 02:37:23,860 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2f69e8ff0/f202b338c1b5427890f0842d5e9cadd7 [2025-01-09 02:37:23,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 02:37:23,863 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 02:37:23,864 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 02:37:23,864 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 02:37:23,868 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 02:37:23,868 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:37:23" (1/1) ... [2025-01-09 02:37:23,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d5903f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:23, skipping insertion in model container [2025-01-09 02:37:23,869 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 02:37:23" (1/1) ... [2025-01-09 02:37:23,880 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 02:37:23,984 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/dart-dart.c[608,621] [2025-01-09 02:37:23,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 02:37:24,008 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 02:37:24,017 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/dart-dart.c[608,621] [2025-01-09 02:37:24,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 02:37:24,034 INFO L204 MainTranslator]: Completed translation [2025-01-09 02:37:24,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:24 WrapperNode [2025-01-09 02:37:24,037 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 02:37:24,037 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 02:37:24,038 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 02:37:24,038 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 02:37:24,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:24" (1/1) ... [2025-01-09 02:37:24,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:24" (1/1) ... [2025-01-09 02:37:24,064 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2025-01-09 02:37:24,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 02:37:24,066 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 02:37:24,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 02:37:24,068 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 02:37:24,074 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:24" (1/1) ... [2025-01-09 02:37:24,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:24" (1/1) ... [2025-01-09 02:37:24,082 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:24" (1/1) ... [2025-01-09 02:37:24,093 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]. [2025-01-09 02:37:24,094 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:24" (1/1) ... [2025-01-09 02:37:24,095 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:24" (1/1) ... [2025-01-09 02:37:24,102 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:24" (1/1) ... [2025-01-09 02:37:24,105 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:24" (1/1) ... [2025-01-09 02:37:24,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:24" (1/1) ... [2025-01-09 02:37:24,112 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:24" (1/1) ... [2025-01-09 02:37:24,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:24" (1/1) ... [2025-01-09 02:37:24,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 02:37:24,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 02:37:24,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 02:37:24,115 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 02:37:24,116 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:24" (1/1) ... [2025-01-09 02:37:24,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 02:37:24,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 02:37:24,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 02:37:24,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 02:37:24,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 02:37:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-01-09 02:37:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 02:37:24,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 02:37:24,232 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 02:37:24,234 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 02:37:24,622 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2025-01-09 02:37:24,622 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 02:37:24,630 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 02:37:24,630 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 02:37:24,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:37:24 BoogieIcfgContainer [2025-01-09 02:37:24,631 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 02:37:24,633 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 02:37:24,633 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 02:37:24,637 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 02:37:24,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 02:37:23" (1/3) ... [2025-01-09 02:37:24,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@abdcc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:37:24, skipping insertion in model container [2025-01-09 02:37:24,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 02:37:24" (2/3) ... [2025-01-09 02:37:24,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@abdcc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 02:37:24, skipping insertion in model container [2025-01-09 02:37:24,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:37:24" (3/3) ... [2025-01-09 02:37:24,640 INFO L128 eAbstractionObserver]: Analyzing ICFG dart-dart.c [2025-01-09 02:37:24,653 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 02:37:24,655 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG dart-dart.c that has 1 procedures, 9 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-01-09 02:37:24,708 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 02:37:24,720 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;@261332e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 02:37:24,721 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 02:37:24,724 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 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) [2025-01-09 02:37:24,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-09 02:37:24,729 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 02:37:24,729 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-09 02:37:24,730 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 02:37:24,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 02:37:24,737 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2025-01-09 02:37:24,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-09 02:37:24,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [819477380] [2025-01-09 02:37:24,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 02:37:24,751 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 [2025-01-09 02:37:24,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-01-09 02:37:24,755 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/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) [2025-01-09 02:37:24,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 02:37:24,806 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-09 02:37:25,155 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-09 02:37:25,156 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 02:37:25,156 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 02:37:25,156 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 02:37:25,174 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-09 02:37:25,440 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-09 02:37:25,440 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 02:37:25,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 02:37:25,463 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-01-09 02:37:25,464 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 02:37:25,465 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-01-09 02:37:25,479 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-01-09 02:37:25,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/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 [2025-01-09 02:37:25,670 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-01-09 02:37:25,679 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 02:37:25,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 02:37:25 BoogieIcfgContainer [2025-01-09 02:37:25,682 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 02:37:25,683 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 02:37:25,683 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 02:37:25,683 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 02:37:25,684 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 02:37:24" (3/4) ... [2025-01-09 02:37:25,684 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-01-09 02:37:25,717 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 3. [2025-01-09 02:37:25,758 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 02:37:25,759 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 02:37:25,759 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 02:37:25,762 INFO L158 Benchmark]: Toolchain (without parser) took 1897.09ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 22.2MB in the end (delta: 38.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-01-09 02:37:25,763 INFO L158 Benchmark]: CDTParser took 1.05ms. Allocated memory is still 83.9MB. Free memory was 62.5MB in the beginning and 62.5MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 02:37:25,763 INFO L158 Benchmark]: CACSL2BoogieTranslator took 172.78ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 49.2MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 02:37:25,764 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.51ms. Allocated memory is still 83.9MB. Free memory was 49.2MB in the beginning and 48.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 02:37:25,764 INFO L158 Benchmark]: Boogie Preprocessor took 47.80ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 46.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 02:37:25,765 INFO L158 Benchmark]: RCFGBuilder took 515.85ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 37.9MB in the end (delta: 8.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 02:37:25,766 INFO L158 Benchmark]: TraceAbstraction took 1048.92ms. Allocated memory is still 83.9MB. Free memory was 37.3MB in the beginning and 27.3MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 02:37:25,766 INFO L158 Benchmark]: Witness Printer took 76.43ms. Allocated memory is still 83.9MB. Free memory was 27.3MB in the beginning and 22.2MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 02:37:25,767 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.05ms. Allocated memory is still 83.9MB. Free memory was 62.5MB in the beginning and 62.5MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 172.78ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 49.2MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.51ms. Allocated memory is still 83.9MB. Free memory was 49.2MB in the beginning and 48.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.80ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 46.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 515.85ms. Allocated memory is still 83.9MB. Free memory was 46.6MB in the beginning and 37.9MB in the end (delta: 8.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1048.92ms. Allocated memory is still 83.9MB. Free memory was 37.3MB in the beginning and 27.3MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 76.43ms. Allocated memory is still 83.9MB. Free memory was 27.3MB in the beginning and 22.2MB in the end (delta: 5.1MB). 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 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L26] double x, y; [L27] x = __VERIFIER_nondet_double() [L28] y = x * x * x [L29] CALL __VERIFIER_assert((x >= 0.0 && y >= 0.0) || (x <= 0.0 && y <= 0.0)) [L16] COND TRUE !(cond) [L18] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, 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=9occurred 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, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 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 proved your program to be incorrect! [2025-01-09 02:37:25,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE