./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 48c9605d 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-?-48c9605-m [2025-02-07 20:02:28,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 20:02:28,167 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 20:02:28,171 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 20:02:28,172 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 20:02:28,190 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 20:02:28,191 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 20:02:28,191 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 20:02:28,192 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 20:02:28,192 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 20:02:28,192 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 20:02:28,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 20:02:28,192 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 20:02:28,192 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 20:02:28,193 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 20:02:28,193 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 20:02:28,193 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 20:02:28,193 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 20:02:28,193 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 20:02:28,193 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 20:02:28,193 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 20:02:28,194 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 20:02:28,194 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 20:02:28,194 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 20:02:28,194 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 20:02:28,194 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 20:02:28,194 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 20:02:28,194 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 20:02:28,194 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 20:02:28,194 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 20:02:28,195 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 20:02:28,195 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 20:02:28,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 20:02:28,195 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 20:02:28,195 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 20:02:28,195 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 20:02:28,195 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 20:02:28,195 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 20:02:28,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 20:02:28,196 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 20:02:28,196 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 20:02:28,196 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 20:02:28,196 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 20:02:28,196 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 [2025-02-07 20:02:28,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 20:02:28,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 20:02:28,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 20:02:28,477 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 20:02:28,477 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 20:02:28,478 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/dart-dart.c [2025-02-07 20:02:29,781 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2ad598214/7cfb82a4017d4f62bd23dfa404133587/FLAGf0bd79b6e [2025-02-07 20:02:30,039 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 20:02:30,040 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/dart-dart.c [2025-02-07 20:02:30,046 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2ad598214/7cfb82a4017d4f62bd23dfa404133587/FLAGf0bd79b6e [2025-02-07 20:02:30,361 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2ad598214/7cfb82a4017d4f62bd23dfa404133587 [2025-02-07 20:02:30,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 20:02:30,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 20:02:30,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 20:02:30,365 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 20:02:30,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 20:02:30,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 08:02:30" (1/1) ... [2025-02-07 20:02:30,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3afd4a51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:30, skipping insertion in model container [2025-02-07 20:02:30,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 08:02:30" (1/1) ... [2025-02-07 20:02:30,382 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 20:02:30,506 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] [2025-02-07 20:02:30,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 20:02:30,525 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 20:02:30,534 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] [2025-02-07 20:02:30,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 20:02:30,549 INFO L204 MainTranslator]: Completed translation [2025-02-07 20:02:30,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:30 WrapperNode [2025-02-07 20:02:30,551 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 20:02:30,552 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 20:02:30,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 20:02:30,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 20:02:30,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:30" (1/1) ... [2025-02-07 20:02:30,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:30" (1/1) ... [2025-02-07 20:02:30,578 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24 [2025-02-07 20:02:30,579 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 20:02:30,580 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 20:02:30,580 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 20:02:30,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 20:02:30,587 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:30" (1/1) ... [2025-02-07 20:02:30,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:30" (1/1) ... [2025-02-07 20:02:30,588 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:30" (1/1) ... [2025-02-07 20:02:30,597 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]. [2025-02-07 20:02:30,597 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:30" (1/1) ... [2025-02-07 20:02:30,597 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:30" (1/1) ... [2025-02-07 20:02:30,603 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:30" (1/1) ... [2025-02-07 20:02:30,603 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:30" (1/1) ... [2025-02-07 20:02:30,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:30" (1/1) ... [2025-02-07 20:02:30,604 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:30" (1/1) ... [2025-02-07 20:02:30,605 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 20:02:30,606 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 20:02:30,606 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 20:02:30,606 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 20:02:30,607 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:30" (1/1) ... [2025-02-07 20:02:30,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 20:02:30,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 20:02:30,636 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) [2025-02-07 20:02:30,639 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 [2025-02-07 20:02:30,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 20:02:30,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 20:02:30,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 20:02:30,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 20:02:30,712 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 20:02:30,713 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 20:02:30,803 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2025-02-07 20:02:30,804 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 20:02:30,811 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 20:02:30,811 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 20:02:30,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 08:02:30 BoogieIcfgContainer [2025-02-07 20:02:30,814 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 20:02:30,816 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 20:02:30,816 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 20:02:30,819 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 20:02:30,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 08:02:30" (1/3) ... [2025-02-07 20:02:30,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f661d7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 08:02:30, skipping insertion in model container [2025-02-07 20:02:30,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:30" (2/3) ... [2025-02-07 20:02:30,820 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f661d7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 08:02:30, skipping insertion in model container [2025-02-07 20:02:30,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 08:02:30" (3/3) ... [2025-02-07 20:02:30,822 INFO L128 eAbstractionObserver]: Analyzing ICFG dart-dart.c [2025-02-07 20:02:30,836 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 20:02:30,839 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG dart-dart.c that has 1 procedures, 7 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-07 20:02:30,886 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 20:02:30,899 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;@82c82f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 20:02:30,899 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 20:02:30,902 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 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) [2025-02-07 20:02:30,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-02-07 20:02:30,908 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 20:02:30,909 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-02-07 20:02:30,910 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 20:02:30,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 20:02:30,914 INFO L85 PathProgramCache]: Analyzing trace with hash 34691, now seen corresponding path program 1 times [2025-02-07 20:02:30,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 20:02:30,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183689382] [2025-02-07 20:02:30,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 20:02:30,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 20:02:30,973 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-07 20:02:30,990 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-07 20:02:30,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 20:02:30,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 20:02:30,991 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 20:02:30,997 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-07 20:02:31,003 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-07 20:02:31,004 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 20:02:31,004 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 20:02:31,024 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-07 20:02:31,025 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 20:02:31,026 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 20:02:31,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 20:02:31,033 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 20:02:31,043 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 20:02:31,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 08:02:31 BoogieIcfgContainer [2025-02-07 20:02:31,048 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 20:02:31,049 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 20:02:31,050 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 20:02:31,050 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 20:02:31,051 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 08:02:30" (3/4) ... [2025-02-07 20:02:31,052 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 20:02:31,053 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 20:02:31,054 INFO L158 Benchmark]: Toolchain (without parser) took 690.09ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 70.4MB in the end (delta: 35.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-07 20:02:31,055 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory was 127.7MB in the beginning and 127.4MB in the end (delta: 307.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 20:02:31,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 186.27ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 94.6MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 20:02:31,056 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.53ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 93.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 20:02:31,056 INFO L158 Benchmark]: Boogie Preprocessor took 25.40ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 92.3MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 20:02:31,057 INFO L158 Benchmark]: IcfgBuilder took 208.22ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 82.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 20:02:31,058 INFO L158 Benchmark]: TraceAbstraction took 232.32ms. Allocated memory is still 142.6MB. Free memory was 81.9MB in the beginning and 70.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 20:02:31,058 INFO L158 Benchmark]: Witness Printer took 3.82ms. Allocated memory is still 142.6MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 20:02:31,060 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 201.3MB. Free memory was 127.7MB in the beginning and 127.4MB in the end (delta: 307.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 186.27ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 94.6MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.53ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 93.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.40ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 92.3MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 208.22ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 82.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 232.32ms. Allocated memory is still 142.6MB. Free memory was 81.9MB in the beginning and 70.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.82ms. Allocated memory is still 142.6MB. Free memory is still 70.4MB. 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, 7 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=7occurred 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, 3 NumberOfCodeBlocks, 3 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 [2025-02-07 20:02:31,082 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-?-48c9605-m [2025-02-07 20:02:33,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 20:02:33,356 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 20:02:33,362 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 20:02:33,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 20:02:33,393 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 20:02:33,394 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 20:02:33,394 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 20:02:33,394 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 20:02:33,395 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 20:02:33,395 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 20:02:33,395 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 20:02:33,395 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 20:02:33,395 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 20:02:33,395 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 20:02:33,395 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 20:02:33,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 20:02:33,396 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 20:02:33,396 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 20:02:33,396 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 20:02:33,396 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 20:02:33,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 20:02:33,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 20:02:33,396 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 20:02:33,397 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 20:02:33,397 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 20:02:33,397 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 20:02:33,397 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 20:02:33,397 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 20:02:33,397 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 20:02:33,397 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 20:02:33,397 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 20:02:33,398 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 20:02:33,398 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 20:02:33,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 20:02:33,398 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 20:02:33,398 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 20:02:33,398 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 20:02:33,398 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 20:02:33,399 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 20:02:33,399 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 20:02:33,399 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 20:02:33,399 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 20:02:33,399 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 20:02:33,399 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 20:02:33,399 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 [2025-02-07 20:02:33,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 20:02:33,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 20:02:33,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 20:02:33,704 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 20:02:33,704 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 20:02:33,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-nonlinear/dart-dart.c [2025-02-07 20:02:35,124 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3b2ae16bf/11905c42f54a4f15afb4cfd0c802fa5b/FLAGac5b60f63 [2025-02-07 20:02:35,300 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 20:02:35,301 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/floats-nonlinear/dart-dart.c [2025-02-07 20:02:35,305 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3b2ae16bf/11905c42f54a4f15afb4cfd0c802fa5b/FLAGac5b60f63 [2025-02-07 20:02:35,316 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3b2ae16bf/11905c42f54a4f15afb4cfd0c802fa5b [2025-02-07 20:02:35,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 20:02:35,319 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 20:02:35,320 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 20:02:35,320 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 20:02:35,324 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 20:02:35,325 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 08:02:35" (1/1) ... [2025-02-07 20:02:35,325 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46405bc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:35, skipping insertion in model container [2025-02-07 20:02:35,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 08:02:35" (1/1) ... [2025-02-07 20:02:35,338 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 20:02:35,476 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] [2025-02-07 20:02:35,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 20:02:35,501 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 20:02:35,511 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] [2025-02-07 20:02:35,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 20:02:35,530 INFO L204 MainTranslator]: Completed translation [2025-02-07 20:02:35,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:35 WrapperNode [2025-02-07 20:02:35,533 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 20:02:35,534 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 20:02:35,534 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 20:02:35,534 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 20:02:35,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:35" (1/1) ... [2025-02-07 20:02:35,546 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:35" (1/1) ... [2025-02-07 20:02:35,561 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2025-02-07 20:02:35,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 20:02:35,563 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 20:02:35,563 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 20:02:35,563 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 20:02:35,569 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:35" (1/1) ... [2025-02-07 20:02:35,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:35" (1/1) ... [2025-02-07 20:02:35,571 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:35" (1/1) ... [2025-02-07 20:02:35,581 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]. [2025-02-07 20:02:35,582 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:35" (1/1) ... [2025-02-07 20:02:35,582 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:35" (1/1) ... [2025-02-07 20:02:35,586 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:35" (1/1) ... [2025-02-07 20:02:35,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:35" (1/1) ... [2025-02-07 20:02:35,589 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:35" (1/1) ... [2025-02-07 20:02:35,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:35" (1/1) ... [2025-02-07 20:02:35,595 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 20:02:35,596 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 20:02:35,596 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 20:02:35,596 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 20:02:35,597 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:35" (1/1) ... [2025-02-07 20:02:35,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 20:02:35,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 20:02:35,625 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) [2025-02-07 20:02:35,627 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 [2025-02-07 20:02:35,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 20:02:35,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 20:02:35,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 20:02:35,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 20:02:35,705 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 20:02:35,707 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 20:02:38,303 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2025-02-07 20:02:38,304 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 20:02:38,310 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 20:02:38,310 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 20:02:38,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 08:02:38 BoogieIcfgContainer [2025-02-07 20:02:38,310 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 20:02:38,312 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 20:02:38,313 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 20:02:38,317 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 20:02:38,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 08:02:35" (1/3) ... [2025-02-07 20:02:38,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a4d48c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 08:02:38, skipping insertion in model container [2025-02-07 20:02:38,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 08:02:35" (2/3) ... [2025-02-07 20:02:38,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a4d48c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 08:02:38, skipping insertion in model container [2025-02-07 20:02:38,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 08:02:38" (3/3) ... [2025-02-07 20:02:38,320 INFO L128 eAbstractionObserver]: Analyzing ICFG dart-dart.c [2025-02-07 20:02:38,332 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 20:02:38,334 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG dart-dart.c that has 1 procedures, 7 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-07 20:02:38,379 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 20:02:38,390 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;@6241f3a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 20:02:38,391 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 20:02:38,395 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 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) [2025-02-07 20:02:38,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-02-07 20:02:38,399 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 20:02:38,399 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-02-07 20:02:38,399 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 20:02:38,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 20:02:38,403 INFO L85 PathProgramCache]: Analyzing trace with hash 34691, now seen corresponding path program 1 times [2025-02-07 20:02:38,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 20:02:38,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [19252217] [2025-02-07 20:02:38,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 20:02:38,410 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 [2025-02-07 20:02:38,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-07 20:02:38,414 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) [2025-02-07 20:02:38,415 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 [2025-02-07 20:02:38,449 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-07 20:02:38,738 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-07 20:02:38,739 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 20:02:38,739 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 20:02:38,739 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 20:02:38,756 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-07 20:02:39,001 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-07 20:02:39,001 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 20:02:39,001 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 20:02:39,023 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-02-07 20:02:39,024 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 20:02:39,025 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 20:02:39,041 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 [2025-02-07 20:02:39,227 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 [2025-02-07 20:02:39,230 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 20:02:39,241 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 20:02:39,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 08:02:39 BoogieIcfgContainer [2025-02-07 20:02:39,246 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 20:02:39,247 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 20:02:39,247 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 20:02:39,247 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 20:02:39,248 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 08:02:38" (3/4) ... [2025-02-07 20:02:39,249 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-02-07 20:02:39,272 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 3. [2025-02-07 20:02:39,303 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 20:02:39,304 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 20:02:39,304 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 20:02:39,305 INFO L158 Benchmark]: Toolchain (without parser) took 3985.54ms. Allocated memory is still 83.9MB. Free memory was 59.9MB in the beginning and 21.3MB in the end (delta: 38.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-07 20:02:39,305 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 83.9MB. Free memory was 62.5MB in the beginning and 62.5MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 20:02:39,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.08ms. Allocated memory is still 83.9MB. Free memory was 59.9MB in the beginning and 48.9MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 20:02:39,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.86ms. Allocated memory is still 83.9MB. Free memory was 48.9MB in the beginning and 47.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 20:02:39,306 INFO L158 Benchmark]: Boogie Preprocessor took 32.21ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 46.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 20:02:39,306 INFO L158 Benchmark]: IcfgBuilder took 2714.09ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 36.7MB in the end (delta: 9.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 20:02:39,307 INFO L158 Benchmark]: TraceAbstraction took 933.84ms. Allocated memory is still 83.9MB. Free memory was 36.1MB in the beginning and 26.3MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 20:02:39,307 INFO L158 Benchmark]: Witness Printer took 57.00ms. Allocated memory is still 83.9MB. Free memory was 26.0MB in the beginning and 21.3MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 20:02:39,308 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 83.9MB. Free memory was 62.5MB in the beginning and 62.5MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 213.08ms. Allocated memory is still 83.9MB. Free memory was 59.9MB in the beginning and 48.9MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.86ms. Allocated memory is still 83.9MB. Free memory was 48.9MB in the beginning and 47.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.21ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 46.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 2714.09ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 36.7MB in the end (delta: 9.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 933.84ms. Allocated memory is still 83.9MB. Free memory was 36.1MB in the beginning and 26.3MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 57.00ms. Allocated memory is still 83.9MB. Free memory was 26.0MB in the beginning and 21.3MB in the end (delta: 4.7MB). 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, 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=7occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 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! [2025-02-07 20:02:39,370 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