./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cdfpl/newton_1_5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cdfpl/newton_1_5.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 234fd12d8ab62ad46eb1a577fb23fc2fed6d2544e4a70d4980d962436da7c61e --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 02:37:58,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 02:37:58,475 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 02:37:58,478 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 02:37:58,478 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 02:37:58,493 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 02:37:58,493 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 02:37:58,494 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 02:37:58,494 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 02:37:58,494 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 02:37:58,494 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 02:37:58,494 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 02:37:58,494 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 02:37:58,494 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 02:37:58,494 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 02:37:58,495 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 02:37:58,495 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 02:37:58,495 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 02:37:58,495 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 02:37:58,495 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 02:37:58,495 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 02:37:58,495 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 02:37:58,495 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 02:37:58,495 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 02:37:58,495 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 02:37:58,495 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 02:37:58,496 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 02:37:58,496 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 02:37:58,496 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 02:37:58,496 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 02:37:58,496 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 02:37:58,496 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 02:37:58,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 02:37:58,496 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 02:37:58,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 02:37:58,496 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 02:37:58,497 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 02:37:58,497 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 02:37:58,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 02:37:58,497 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 02:37:58,497 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 02:37:58,497 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 02:37:58,497 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 02:37:58,497 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 234fd12d8ab62ad46eb1a577fb23fc2fed6d2544e4a70d4980d962436da7c61e [2025-03-08 02:37:58,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 02:37:58,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 02:37:58,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 02:37:58,714 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 02:37:58,714 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 02:37:58,715 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/newton_1_5.i [2025-03-08 02:37:59,793 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f741b8a72/4b00509ee02a406a96d301a62e4865c4/FLAG91122853e [2025-03-08 02:37:59,986 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 02:37:59,986 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/newton_1_5.i [2025-03-08 02:37:59,991 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f741b8a72/4b00509ee02a406a96d301a62e4865c4/FLAG91122853e [2025-03-08 02:38:00,343 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f741b8a72/4b00509ee02a406a96d301a62e4865c4 [2025-03-08 02:38:00,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 02:38:00,346 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 02:38:00,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 02:38:00,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 02:38:00,351 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 02:38:00,351 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 02:38:00" (1/1) ... [2025-03-08 02:38:00,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13dfa00a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:00, skipping insertion in model container [2025-03-08 02:38:00,353 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 02:38:00" (1/1) ... [2025-03-08 02:38:00,363 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 02:38:00,478 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/newton_1_5.i[1722,1735] [2025-03-08 02:38:00,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 02:38:00,488 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 02:38:00,499 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/newton_1_5.i[1722,1735] [2025-03-08 02:38:00,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 02:38:00,514 INFO L204 MainTranslator]: Completed translation [2025-03-08 02:38:00,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:00 WrapperNode [2025-03-08 02:38:00,515 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 02:38:00,516 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 02:38:00,516 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 02:38:00,516 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 02:38:00,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:00" (1/1) ... [2025-03-08 02:38:00,528 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:00" (1/1) ... [2025-03-08 02:38:00,542 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 30 [2025-03-08 02:38:00,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 02:38:00,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 02:38:00,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 02:38:00,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 02:38:00,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:00" (1/1) ... [2025-03-08 02:38:00,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:00" (1/1) ... [2025-03-08 02:38:00,551 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:00" (1/1) ... [2025-03-08 02:38:00,559 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-08 02:38:00,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:00" (1/1) ... [2025-03-08 02:38:00,560 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:00" (1/1) ... [2025-03-08 02:38:00,564 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:00" (1/1) ... [2025-03-08 02:38:00,567 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:00" (1/1) ... [2025-03-08 02:38:00,568 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:00" (1/1) ... [2025-03-08 02:38:00,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:00" (1/1) ... [2025-03-08 02:38:00,569 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 02:38:00,569 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 02:38:00,571 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 02:38:00,571 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 02:38:00,571 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:00" (1/1) ... [2025-03-08 02:38:00,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 02:38:00,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 02:38:00,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 02:38:00,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 02:38:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 02:38:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 02:38:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 02:38:00,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 02:38:00,659 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 02:38:00,661 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 02:38:00,725 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2025-03-08 02:38:00,725 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 02:38:00,730 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 02:38:00,731 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 02:38:00,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 02:38:00 BoogieIcfgContainer [2025-03-08 02:38:00,731 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 02:38:00,733 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 02:38:00,733 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 02:38:00,736 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 02:38:00,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 02:38:00" (1/3) ... [2025-03-08 02:38:00,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6412f5c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 02:38:00, skipping insertion in model container [2025-03-08 02:38:00,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:00" (2/3) ... [2025-03-08 02:38:00,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6412f5c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 02:38:00, skipping insertion in model container [2025-03-08 02:38:00,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 02:38:00" (3/3) ... [2025-03-08 02:38:00,738 INFO L128 eAbstractionObserver]: Analyzing ICFG newton_1_5.i [2025-03-08 02:38:00,747 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 02:38:00,748 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG newton_1_5.i that has 1 procedures, 13 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-08 02:38:00,783 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 02:38:00,792 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;@1ef636b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 02:38:00,792 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 02:38:00,795 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 02:38:00,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-08 02:38:00,800 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 02:38:00,800 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 02:38:00,801 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 02:38:00,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 02:38:00,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1540970020, now seen corresponding path program 1 times [2025-03-08 02:38:00,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 02:38:00,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119190729] [2025-03-08 02:38:00,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 02:38:00,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 02:38:00,860 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-08 02:38:00,867 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-08 02:38:00,868 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 02:38:00,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 02:38:00,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 02:38:00,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 02:38:00,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119190729] [2025-03-08 02:38:00,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119190729] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 02:38:00,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 02:38:00,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 02:38:00,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694372992] [2025-03-08 02:38:00,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 02:38:00,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 02:38:00,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 02:38:00,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 02:38:00,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 02:38:00,908 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 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) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 02:38:00,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 02:38:00,915 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2025-03-08 02:38:00,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 02:38:00,916 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) Word has length 8 [2025-03-08 02:38:00,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 02:38:00,921 INFO L225 Difference]: With dead ends: 23 [2025-03-08 02:38:00,921 INFO L226 Difference]: Without dead ends: 9 [2025-03-08 02:38:00,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 02:38:00,926 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 02:38:00,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 02:38:00,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2025-03-08 02:38:00,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2025-03-08 02:38:00,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.0) internal successors, (8), 8 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 02:38:00,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2025-03-08 02:38:00,946 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 8 [2025-03-08 02:38:00,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 02:38:00,946 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2025-03-08 02:38:00,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 02:38:00,947 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2025-03-08 02:38:00,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-08 02:38:00,948 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 02:38:00,948 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 02:38:00,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 02:38:00,948 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 02:38:00,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 02:38:00,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1512340869, now seen corresponding path program 1 times [2025-03-08 02:38:00,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 02:38:00,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281247085] [2025-03-08 02:38:00,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 02:38:00,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 02:38:00,960 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-08 02:38:00,966 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-08 02:38:00,969 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 02:38:00,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 02:38:00,969 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 02:38:00,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-08 02:38:00,977 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-08 02:38:00,977 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 02:38:00,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 02:38:00,987 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 02:38:00,988 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 02:38:00,989 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 02:38:00,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 02:38:00,992 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-08 02:38:01,000 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 02:38:01,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 02:38:01 BoogieIcfgContainer [2025-03-08 02:38:01,002 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 02:38:01,002 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 02:38:01,002 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 02:38:01,002 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 02:38:01,003 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 02:38:00" (3/4) ... [2025-03-08 02:38:01,004 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-08 02:38:01,005 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 02:38:01,006 INFO L158 Benchmark]: Toolchain (without parser) took 659.56ms. Allocated memory is still 167.8MB. Free memory was 130.0MB in the beginning and 87.4MB in the end (delta: 42.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-03-08 02:38:01,006 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 201.3MB. Free memory was 125.7MB in the beginning and 125.3MB in the end (delta: 307.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 02:38:01,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 168.98ms. Allocated memory is still 167.8MB. Free memory was 130.0MB in the beginning and 119.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 02:38:01,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.60ms. Allocated memory is still 167.8MB. Free memory was 119.0MB in the beginning and 118.0MB in the end (delta: 991.3kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 02:38:01,007 INFO L158 Benchmark]: Boogie Preprocessor took 25.90ms. Allocated memory is still 167.8MB. Free memory was 118.0MB in the beginning and 116.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 02:38:01,007 INFO L158 Benchmark]: IcfgBuilder took 161.62ms. Allocated memory is still 167.8MB. Free memory was 116.7MB in the beginning and 106.5MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 02:38:01,007 INFO L158 Benchmark]: TraceAbstraction took 269.11ms. Allocated memory is still 167.8MB. Free memory was 106.0MB in the beginning and 87.4MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 02:38:01,007 INFO L158 Benchmark]: Witness Printer took 2.56ms. Allocated memory is still 167.8MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 02:38:01,008 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 201.3MB. Free memory was 125.7MB in the beginning and 125.3MB in the end (delta: 307.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 168.98ms. Allocated memory is still 167.8MB. Free memory was 130.0MB in the beginning and 119.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.60ms. Allocated memory is still 167.8MB. Free memory was 119.0MB in the beginning and 118.0MB in the end (delta: 991.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.90ms. Allocated memory is still 167.8MB. Free memory was 118.0MB in the beginning and 116.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 161.62ms. Allocated memory is still 167.8MB. Free memory was 116.7MB in the beginning and 106.5MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 269.11ms. Allocated memory is still 167.8MB. Free memory was 106.0MB in the beginning and 87.4MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 2.56ms. Allocated memory is still 167.8MB. Free memory is still 87.4MB. 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: 51]: 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 someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryArithmeticFLOAToperation at line 42, overapproximation of someBinaryArithmeticFLOAToperation at line 34, overapproximation of someBinaryArithmeticFLOAToperation at line 29. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -1.0f && IN < 1.0f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -1.0f && IN < 1.0f) [L42] CALL, EXPR f(IN) [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L42] RET, EXPR f(IN) [L42] CALL, EXPR fp(IN) [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L42] RET, EXPR fp(IN) [L42] float x = IN - f(IN)/fp(IN); [L50] COND TRUE !(x < 0.1) [L51] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 14 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-08 02:38:01,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cdfpl/newton_1_5.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 234fd12d8ab62ad46eb1a577fb23fc2fed6d2544e4a70d4980d962436da7c61e --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 02:38:02,797 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 02:38:02,871 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-08 02:38:02,877 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 02:38:02,877 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 02:38:02,891 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 02:38:02,892 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 02:38:02,892 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 02:38:02,893 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 02:38:02,893 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 02:38:02,893 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 02:38:02,894 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 02:38:02,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 02:38:02,894 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 02:38:02,894 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 02:38:02,895 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 02:38:02,895 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 02:38:02,895 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 02:38:02,895 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 02:38:02,895 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 02:38:02,895 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 02:38:02,895 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 02:38:02,895 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 02:38:02,895 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 02:38:02,896 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-08 02:38:02,896 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-08 02:38:02,896 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 02:38:02,896 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 02:38:02,896 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 02:38:02,896 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 02:38:02,897 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 02:38:02,897 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 02:38:02,897 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 02:38:02,897 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 02:38:02,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 02:38:02,897 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 02:38:02,897 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 02:38:02,897 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 02:38:02,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 02:38:02,898 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-08 02:38:02,898 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-08 02:38:02,898 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 02:38:02,898 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 02:38:02,898 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 02:38:02,898 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 02:38:02,898 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 234fd12d8ab62ad46eb1a577fb23fc2fed6d2544e4a70d4980d962436da7c61e [2025-03-08 02:38:03,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 02:38:03,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 02:38:03,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 02:38:03,123 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 02:38:03,123 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 02:38:03,124 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/newton_1_5.i [2025-03-08 02:38:04,237 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd9a131f7/9db9f9ccb6ff4b47b2ba52ce909f6cf2/FLAG35e81d718 [2025-03-08 02:38:04,422 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 02:38:04,423 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/newton_1_5.i [2025-03-08 02:38:04,429 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd9a131f7/9db9f9ccb6ff4b47b2ba52ce909f6cf2/FLAG35e81d718 [2025-03-08 02:38:04,803 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd9a131f7/9db9f9ccb6ff4b47b2ba52ce909f6cf2 [2025-03-08 02:38:04,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 02:38:04,806 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 02:38:04,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 02:38:04,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 02:38:04,809 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 02:38:04,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 02:38:04" (1/1) ... [2025-03-08 02:38:04,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52e9e37d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:04, skipping insertion in model container [2025-03-08 02:38:04,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 02:38:04" (1/1) ... [2025-03-08 02:38:04,821 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 02:38:04,938 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/newton_1_5.i[1722,1735] [2025-03-08 02:38:04,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 02:38:04,951 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 02:38:04,966 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/newton_1_5.i[1722,1735] [2025-03-08 02:38:04,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 02:38:04,978 INFO L204 MainTranslator]: Completed translation [2025-03-08 02:38:04,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:04 WrapperNode [2025-03-08 02:38:04,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 02:38:04,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 02:38:04,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 02:38:04,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 02:38:04,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:04" (1/1) ... [2025-03-08 02:38:04,992 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:04" (1/1) ... [2025-03-08 02:38:05,005 INFO L138 Inliner]: procedures = 18, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 31 [2025-03-08 02:38:05,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 02:38:05,007 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 02:38:05,007 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 02:38:05,007 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 02:38:05,013 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:04" (1/1) ... [2025-03-08 02:38:05,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:04" (1/1) ... [2025-03-08 02:38:05,017 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:04" (1/1) ... [2025-03-08 02:38:05,031 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-08 02:38:05,032 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:04" (1/1) ... [2025-03-08 02:38:05,032 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:04" (1/1) ... [2025-03-08 02:38:05,037 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:04" (1/1) ... [2025-03-08 02:38:05,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:04" (1/1) ... [2025-03-08 02:38:05,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:04" (1/1) ... [2025-03-08 02:38:05,043 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:04" (1/1) ... [2025-03-08 02:38:05,044 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 02:38:05,047 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 02:38:05,047 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 02:38:05,047 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 02:38:05,048 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:04" (1/1) ... [2025-03-08 02:38:05,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 02:38:05,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 02:38:05,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 02:38:05,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 02:38:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 02:38:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-08 02:38:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 02:38:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 02:38:05,137 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 02:38:05,139 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 02:38:14,217 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2025-03-08 02:38:14,217 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 02:38:14,225 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 02:38:14,225 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 02:38:14,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 02:38:14 BoogieIcfgContainer [2025-03-08 02:38:14,226 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 02:38:14,228 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 02:38:14,228 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 02:38:14,231 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 02:38:14,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 02:38:04" (1/3) ... [2025-03-08 02:38:14,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54bee56e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 02:38:14, skipping insertion in model container [2025-03-08 02:38:14,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:38:04" (2/3) ... [2025-03-08 02:38:14,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54bee56e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 02:38:14, skipping insertion in model container [2025-03-08 02:38:14,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 02:38:14" (3/3) ... [2025-03-08 02:38:14,233 INFO L128 eAbstractionObserver]: Analyzing ICFG newton_1_5.i [2025-03-08 02:38:14,242 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 02:38:14,244 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG newton_1_5.i that has 1 procedures, 13 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-08 02:38:14,276 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 02:38:14,287 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;@70106da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 02:38:14,288 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 02:38:14,291 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 02:38:14,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-08 02:38:14,295 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 02:38:14,296 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 02:38:14,296 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 02:38:14,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 02:38:14,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1540970020, now seen corresponding path program 1 times [2025-03-08 02:38:14,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 02:38:14,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [339608239] [2025-03-08 02:38:14,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 02:38:14,307 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 02:38:14,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 02:38:14,309 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 02:38:14,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-08 02:38:14,340 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-08 02:38:15,158 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-08 02:38:15,158 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 02:38:15,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 02:38:15,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 02:38:15,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 02:38:15,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 02:38:15,204 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 02:38:15,204 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 02:38:15,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [339608239] [2025-03-08 02:38:15,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [339608239] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 02:38:15,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 02:38:15,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 02:38:15,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549894881] [2025-03-08 02:38:15,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 02:38:15,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 02:38:15,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 02:38:15,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 02:38:15,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 02:38:15,223 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 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) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 02:38:15,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 02:38:15,229 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2025-03-08 02:38:15,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 02:38:15,230 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) Word has length 8 [2025-03-08 02:38:15,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 02:38:15,233 INFO L225 Difference]: With dead ends: 23 [2025-03-08 02:38:15,233 INFO L226 Difference]: Without dead ends: 9 [2025-03-08 02:38:15,235 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 02:38:15,236 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 02:38:15,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 02:38:15,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2025-03-08 02:38:15,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2025-03-08 02:38:15,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.0) internal successors, (8), 8 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 02:38:15,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2025-03-08 02:38:15,254 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 8 [2025-03-08 02:38:15,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 02:38:15,254 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2025-03-08 02:38:15,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 02:38:15,254 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2025-03-08 02:38:15,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-08 02:38:15,254 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 02:38:15,254 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 02:38:15,281 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-03-08 02:38:15,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 02:38:15,455 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 02:38:15,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 02:38:15,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1512340869, now seen corresponding path program 1 times [2025-03-08 02:38:15,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 02:38:15,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1475013378] [2025-03-08 02:38:15,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 02:38:15,456 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 02:38:15,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 02:38:15,461 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 02:38:15,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-03-08 02:38:15,484 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-08 02:39:10,885 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-08 02:39:10,886 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 02:39:10,886 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 02:39:10,886 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 02:39:10,937 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-08 02:39:20,575 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-08 02:39:20,575 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 02:39:20,575 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 02:39:20,632 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-03-08 02:39:20,633 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 02:39:20,634 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 02:39:20,678 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-03-08 02:39:20,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 02:39:20,841 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-08 02:39:20,852 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 02:39:20,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 02:39:20 BoogieIcfgContainer [2025-03-08 02:39:20,856 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 02:39:20,856 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 02:39:20,856 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 02:39:20,857 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 02:39:20,857 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 02:38:14" (3/4) ... [2025-03-08 02:39:20,858 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-03-08 02:39:20,886 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 9. [2025-03-08 02:39:20,922 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 02:39:20,923 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 02:39:20,923 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 02:39:20,924 INFO L158 Benchmark]: Toolchain (without parser) took 76118.32ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 43.4MB in the end (delta: 48.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-03-08 02:39:20,924 INFO L158 Benchmark]: CDTParser took 1.48ms. Allocated memory is still 83.9MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 02:39:20,925 INFO L158 Benchmark]: CACSL2BoogieTranslator took 173.67ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 80.2MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 02:39:20,927 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.20ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 02:39:20,927 INFO L158 Benchmark]: Boogie Preprocessor took 39.07ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 02:39:20,927 INFO L158 Benchmark]: IcfgBuilder took 9179.29ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 67.7MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 02:39:20,928 INFO L158 Benchmark]: TraceAbstraction took 66628.09ms. Allocated memory is still 117.4MB. Free memory was 67.2MB in the beginning and 48.4MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 02:39:20,928 INFO L158 Benchmark]: Witness Printer took 66.94ms. Allocated memory is still 117.4MB. Free memory was 48.4MB in the beginning and 43.4MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 02:39:20,929 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.48ms. Allocated memory is still 83.9MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 173.67ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 80.2MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.20ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.07ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.4MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 9179.29ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 67.7MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 66628.09ms. Allocated memory is still 117.4MB. Free memory was 67.2MB in the beginning and 48.4MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 66.94ms. Allocated memory is still 117.4MB. Free memory was 48.4MB in the beginning and 43.4MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. 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: 51]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -1.0f && IN < 1.0f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -1.0f && IN < 1.0f) [L42] CALL, EXPR f(IN) [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\result=-0.8046042323112488] [L42] RET, EXPR f(IN) [L42] CALL, EXPR fp(IN) [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\result=0.5959809422492981] [L42] RET, EXPR fp(IN) [L42] float x = IN - f(IN)/fp(IN); [L50] COND TRUE !(x < 0.1) [L51] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 14 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 66.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 56.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 24 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2025-03-08 02:39:21,012 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE