./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cdfpl/newton_1_6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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_1.5.800.v20200727-1323.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_6.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 ec222c3996017a4c3d0b54e86b7104edba9dccbc593820967cf8b3cad697d0fa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-21 23:00:15,478 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 23:00:15,531 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-21 23:00:15,536 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 23:00:15,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 23:00:15,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 23:00:15,561 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 23:00:15,562 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 23:00:15,562 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-21 23:00:15,564 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-21 23:00:15,564 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 23:00:15,564 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 23:00:15,565 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 23:00:15,565 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 23:00:15,565 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 23:00:15,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 23:00:15,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 23:00:15,566 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 23:00:15,566 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 23:00:15,569 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 23:00:15,569 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 23:00:15,569 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 23:00:15,569 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 23:00:15,570 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 23:00:15,570 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-21 23:00:15,570 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 23:00:15,570 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 23:00:15,570 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 23:00:15,571 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 23:00:15,571 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 23:00:15,571 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 23:00:15,571 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 23:00:15,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 23:00:15,571 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 23:00:15,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 23:00:15,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 23:00:15,572 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 23:00:15,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 23:00:15,572 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 23:00:15,572 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-21 23:00:15,573 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-21 23:00:15,574 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-21 23:00:15,574 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec222c3996017a4c3d0b54e86b7104edba9dccbc593820967cf8b3cad697d0fa [2024-11-21 23:00:15,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 23:00:15,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 23:00:15,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 23:00:15,795 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 23:00:15,795 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 23:00:15,796 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/newton_1_6.i [2024-11-21 23:00:17,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-21 23:00:17,137 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 23:00:17,138 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/newton_1_6.i [2024-11-21 23:00:17,144 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edcb50ac3/a588274c650341ea8e42e4361764240c/FLAGa9d6c91b4 [2024-11-21 23:00:17,569 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/edcb50ac3/a588274c650341ea8e42e4361764240c [2024-11-21 23:00:17,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 23:00:17,572 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 23:00:17,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 23:00:17,578 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 23:00:17,582 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 23:00:17,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:00:17" (1/1) ... [2024-11-21 23:00:17,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6938ccf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:17, skipping insertion in model container [2024-11-21 23:00:17,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:00:17" (1/1) ... [2024-11-21 23:00:17,608 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 23:00:17,795 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_6.i[1722,1735] [2024-11-21 23:00:17,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 23:00:17,806 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 23:00:17,822 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_6.i[1722,1735] [2024-11-21 23:00:17,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 23:00:17,842 INFO L204 MainTranslator]: Completed translation [2024-11-21 23:00:17,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:17 WrapperNode [2024-11-21 23:00:17,842 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 23:00:17,843 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 23:00:17,843 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 23:00:17,843 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 23:00:17,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:17" (1/1) ... [2024-11-21 23:00:17,854 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:17" (1/1) ... [2024-11-21 23:00:17,866 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 30 [2024-11-21 23:00:17,867 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 23:00:17,867 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 23:00:17,867 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 23:00:17,867 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 23:00:17,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:17" (1/1) ... [2024-11-21 23:00:17,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:17" (1/1) ... [2024-11-21 23:00:17,876 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:17" (1/1) ... [2024-11-21 23:00:17,884 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]. [2024-11-21 23:00:17,884 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:17" (1/1) ... [2024-11-21 23:00:17,884 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:17" (1/1) ... [2024-11-21 23:00:17,887 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:17" (1/1) ... [2024-11-21 23:00:17,888 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:17" (1/1) ... [2024-11-21 23:00:17,888 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:17" (1/1) ... [2024-11-21 23:00:17,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:17" (1/1) ... [2024-11-21 23:00:17,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 23:00:17,890 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 23:00:17,891 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 23:00:17,891 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 23:00:17,891 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:17" (1/1) ... [2024-11-21 23:00:17,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 23:00:17,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-21 23:00:17,915 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) [2024-11-21 23:00:17,917 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 [2024-11-21 23:00:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 23:00:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-21 23:00:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 23:00:17,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 23:00:18,007 INFO L238 CfgBuilder]: Building ICFG [2024-11-21 23:00:18,009 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 23:00:18,097 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-21 23:00:18,098 INFO L287 CfgBuilder]: Performing block encoding [2024-11-21 23:00:18,107 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 23:00:18,108 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-21 23:00:18,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:00:18 BoogieIcfgContainer [2024-11-21 23:00:18,108 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 23:00:18,110 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 23:00:18,110 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 23:00:18,112 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 23:00:18,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 11:00:17" (1/3) ... [2024-11-21 23:00:18,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@121aabb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:00:18, skipping insertion in model container [2024-11-21 23:00:18,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:17" (2/3) ... [2024-11-21 23:00:18,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@121aabb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:00:18, skipping insertion in model container [2024-11-21 23:00:18,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:00:18" (3/3) ... [2024-11-21 23:00:18,116 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_6.i [2024-11-21 23:00:18,128 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 23:00:18,128 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-21 23:00:18,176 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-21 23:00:18,184 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;@72f273b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 23:00:18,184 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-21 23:00:18,188 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) [2024-11-21 23:00:18,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-21 23:00:18,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 23:00:18,194 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 23:00:18,194 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 23:00:18,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 23:00:18,198 INFO L85 PathProgramCache]: Analyzing trace with hash 119351050, now seen corresponding path program 1 times [2024-11-21 23:00:18,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 23:00:18,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147748193] [2024-11-21 23:00:18,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 23:00:18,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 23:00:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 23:00:18,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 23:00:18,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 23:00:18,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147748193] [2024-11-21 23:00:18,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147748193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 23:00:18,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 23:00:18,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 23:00:18,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142477581] [2024-11-21 23:00:18,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 23:00:18,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-21 23:00:18,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 23:00:18,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-21 23:00:18,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-21 23:00:18,340 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) [2024-11-21 23:00:18,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 23:00:18,347 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2024-11-21 23:00:18,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 23:00:18,349 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 [2024-11-21 23:00:18,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 23:00:18,353 INFO L225 Difference]: With dead ends: 23 [2024-11-21 23:00:18,353 INFO L226 Difference]: Without dead ends: 9 [2024-11-21 23:00:18,355 INFO L431 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 [2024-11-21 23:00:18,357 INFO L432 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 [2024-11-21 23:00:18,357 INFO L433 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] [2024-11-21 23:00:18,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-21 23:00:18,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-21 23:00:18,378 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) [2024-11-21 23:00:18,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2024-11-21 23:00:18,380 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 8 [2024-11-21 23:00:18,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 23:00:18,380 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2024-11-21 23:00:18,380 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) [2024-11-21 23:00:18,380 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2024-11-21 23:00:18,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-21 23:00:18,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 23:00:18,381 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 23:00:18,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 23:00:18,381 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 23:00:18,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 23:00:18,381 INFO L85 PathProgramCache]: Analyzing trace with hash 176609352, now seen corresponding path program 1 times [2024-11-21 23:00:18,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 23:00:18,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007005503] [2024-11-21 23:00:18,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 23:00:18,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 23:00:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 23:00:18,396 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-21 23:00:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 23:00:18,433 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-21 23:00:18,433 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-21 23:00:18,435 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-21 23:00:18,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-21 23:00:18,439 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-21 23:00:18,450 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-21 23:00:18,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 11:00:18 BoogieIcfgContainer [2024-11-21 23:00:18,456 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-21 23:00:18,457 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-21 23:00:18,457 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-21 23:00:18,457 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-21 23:00:18,458 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:00:18" (3/4) ... [2024-11-21 23:00:18,461 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-21 23:00:18,462 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-21 23:00:18,462 INFO L158 Benchmark]: Toolchain (without parser) took 889.71ms. Allocated memory is still 161.5MB. Free memory was 107.0MB in the beginning and 93.5MB in the end (delta: 13.5MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-11-21 23:00:18,463 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 96.5MB. Free memory was 50.5MB in the beginning and 50.4MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 23:00:18,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.01ms. Allocated memory is still 161.5MB. Free memory was 106.6MB in the beginning and 130.2MB in the end (delta: -23.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-21 23:00:18,464 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.77ms. Allocated memory is still 161.5MB. Free memory was 130.2MB in the beginning and 128.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 23:00:18,464 INFO L158 Benchmark]: Boogie Preprocessor took 22.79ms. Allocated memory is still 161.5MB. Free memory was 128.6MB in the beginning and 127.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 23:00:18,464 INFO L158 Benchmark]: RCFGBuilder took 217.76ms. Allocated memory is still 161.5MB. Free memory was 127.0MB in the beginning and 117.1MB in the end (delta: 9.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-21 23:00:18,464 INFO L158 Benchmark]: TraceAbstraction took 346.38ms. Allocated memory is still 161.5MB. Free memory was 116.6MB in the beginning and 93.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-21 23:00:18,465 INFO L158 Benchmark]: Witness Printer took 4.94ms. Allocated memory is still 161.5MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 23:00:18,468 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 96.5MB. Free memory was 50.5MB in the beginning and 50.4MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.01ms. Allocated memory is still 161.5MB. Free memory was 106.6MB in the beginning and 130.2MB in the end (delta: -23.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.77ms. Allocated memory is still 161.5MB. Free memory was 130.2MB in the beginning and 128.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.79ms. Allocated memory is still 161.5MB. Free memory was 128.6MB in the beginning and 127.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 217.76ms. Allocated memory is still 161.5MB. Free memory was 127.0MB in the beginning and 117.1MB in the end (delta: 9.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 346.38ms. Allocated memory is still 161.5MB. Free memory was 116.6MB in the beginning and 93.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 4.94ms. Allocated memory is still 161.5MB. Free memory is still 93.5MB. 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. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -1.2f && IN < 1.2f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -1.2f && IN < 1.2f) [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, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-21 23:00:18,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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/current/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_1.5.800.v20200727-1323.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_6.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 ec222c3996017a4c3d0b54e86b7104edba9dccbc593820967cf8b3cad697d0fa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-21 23:00:20,212 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 23:00:20,274 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-21 23:00:20,279 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 23:00:20,280 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 23:00:20,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 23:00:20,305 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 23:00:20,306 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 23:00:20,306 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-21 23:00:20,307 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-21 23:00:20,308 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 23:00:20,308 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 23:00:20,309 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 23:00:20,309 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 23:00:20,309 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 23:00:20,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 23:00:20,312 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 23:00:20,312 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 23:00:20,312 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 23:00:20,312 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 23:00:20,313 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 23:00:20,313 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 23:00:20,313 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 23:00:20,313 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-21 23:00:20,313 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-21 23:00:20,313 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-21 23:00:20,314 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-21 23:00:20,314 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 23:00:20,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 23:00:20,314 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 23:00:20,314 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 23:00:20,314 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 23:00:20,314 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 23:00:20,318 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 23:00:20,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 23:00:20,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 23:00:20,319 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 23:00:20,319 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 23:00:20,319 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-21 23:00:20,319 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-21 23:00:20,319 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 23:00:20,320 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-21 23:00:20,320 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-21 23:00:20,320 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-21 23:00:20,320 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec222c3996017a4c3d0b54e86b7104edba9dccbc593820967cf8b3cad697d0fa [2024-11-21 23:00:20,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 23:00:20,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 23:00:20,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 23:00:20,600 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 23:00:20,601 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 23:00:20,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/newton_1_6.i [2024-11-21 23:00:21,874 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-21 23:00:22,030 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 23:00:22,031 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/newton_1_6.i [2024-11-21 23:00:22,040 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74e150653/f368ee297ca041eb93ef9123c21c0812/FLAG20afe4805 [2024-11-21 23:00:22,054 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74e150653/f368ee297ca041eb93ef9123c21c0812 [2024-11-21 23:00:22,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 23:00:22,058 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 23:00:22,059 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 23:00:22,059 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 23:00:22,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 23:00:22,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:00:22" (1/1) ... [2024-11-21 23:00:22,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54d72db5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:22, skipping insertion in model container [2024-11-21 23:00:22,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:00:22" (1/1) ... [2024-11-21 23:00:22,084 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 23:00:22,250 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_6.i[1722,1735] [2024-11-21 23:00:22,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 23:00:22,280 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 23:00:22,296 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_6.i[1722,1735] [2024-11-21 23:00:22,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 23:00:22,313 INFO L204 MainTranslator]: Completed translation [2024-11-21 23:00:22,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:22 WrapperNode [2024-11-21 23:00:22,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 23:00:22,315 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 23:00:22,315 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 23:00:22,315 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 23:00:22,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:22" (1/1) ... [2024-11-21 23:00:22,333 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:22" (1/1) ... [2024-11-21 23:00:22,350 INFO L138 Inliner]: procedures = 18, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 31 [2024-11-21 23:00:22,351 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 23:00:22,353 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 23:00:22,353 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 23:00:22,353 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 23:00:22,360 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:22" (1/1) ... [2024-11-21 23:00:22,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:22" (1/1) ... [2024-11-21 23:00:22,363 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:22" (1/1) ... [2024-11-21 23:00:22,377 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]. [2024-11-21 23:00:22,377 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:22" (1/1) ... [2024-11-21 23:00:22,377 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:22" (1/1) ... [2024-11-21 23:00:22,382 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:22" (1/1) ... [2024-11-21 23:00:22,388 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:22" (1/1) ... [2024-11-21 23:00:22,388 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:22" (1/1) ... [2024-11-21 23:00:22,389 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:22" (1/1) ... [2024-11-21 23:00:22,392 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 23:00:22,394 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 23:00:22,394 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 23:00:22,394 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 23:00:22,395 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:22" (1/1) ... [2024-11-21 23:00:22,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 23:00:22,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-21 23:00:22,421 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) [2024-11-21 23:00:22,425 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 [2024-11-21 23:00:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 23:00:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-21 23:00:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 23:00:22,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 23:00:22,516 INFO L238 CfgBuilder]: Building ICFG [2024-11-21 23:00:22,519 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 23:00:32,703 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-21 23:00:32,704 INFO L287 CfgBuilder]: Performing block encoding [2024-11-21 23:00:32,714 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 23:00:32,715 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-21 23:00:32,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:00:32 BoogieIcfgContainer [2024-11-21 23:00:32,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 23:00:32,717 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 23:00:32,717 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 23:00:32,720 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 23:00:32,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 11:00:22" (1/3) ... [2024-11-21 23:00:32,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61eb6fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:00:32, skipping insertion in model container [2024-11-21 23:00:32,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:00:22" (2/3) ... [2024-11-21 23:00:32,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61eb6fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:00:32, skipping insertion in model container [2024-11-21 23:00:32,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:00:32" (3/3) ... [2024-11-21 23:00:32,723 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_6.i [2024-11-21 23:00:32,735 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 23:00:32,735 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-21 23:00:32,792 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-21 23:00:32,797 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;@3ddd6ee8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 23:00:32,797 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-21 23:00:32,800 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) [2024-11-21 23:00:32,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-21 23:00:32,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 23:00:32,804 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 23:00:32,805 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 23:00:32,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 23:00:32,808 INFO L85 PathProgramCache]: Analyzing trace with hash 119351050, now seen corresponding path program 1 times [2024-11-21 23:00:32,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-21 23:00:32,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1869735270] [2024-11-21 23:00:32,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 23:00:32,817 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 [2024-11-21 23:00:32,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-21 23:00:32,820 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) [2024-11-21 23:00:32,821 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 [2024-11-21 23:00:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 23:00:33,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-21 23:00:33,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 23:00:33,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 23:00:33,711 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 23:00:33,711 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-21 23:00:33,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1869735270] [2024-11-21 23:00:33,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1869735270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 23:00:33,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 23:00:33,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 23:00:33,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142614829] [2024-11-21 23:00:33,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 23:00:33,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-21 23:00:33,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-21 23:00:33,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-21 23:00:33,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-21 23:00:33,738 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) [2024-11-21 23:00:33,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 23:00:33,748 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2024-11-21 23:00:33,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 23:00:33,750 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 [2024-11-21 23:00:33,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 23:00:33,755 INFO L225 Difference]: With dead ends: 23 [2024-11-21 23:00:33,755 INFO L226 Difference]: Without dead ends: 9 [2024-11-21 23:00:33,758 INFO L431 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 [2024-11-21 23:00:33,761 INFO L432 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 [2024-11-21 23:00:33,763 INFO L433 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] [2024-11-21 23:00:33,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-21 23:00:33,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-21 23:00:33,788 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) [2024-11-21 23:00:33,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2024-11-21 23:00:33,790 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 8 [2024-11-21 23:00:33,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 23:00:33,790 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2024-11-21 23:00:33,791 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) [2024-11-21 23:00:33,791 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2024-11-21 23:00:33,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-21 23:00:33,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 23:00:33,792 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 23:00:33,830 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 [2024-11-21 23:00:33,992 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 [2024-11-21 23:00:33,993 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 23:00:33,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 23:00:33,994 INFO L85 PathProgramCache]: Analyzing trace with hash 176609352, now seen corresponding path program 1 times [2024-11-21 23:00:33,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-21 23:00:33,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [386990051] [2024-11-21 23:00:33,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 23:00:33,995 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 [2024-11-21 23:00:33,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-21 23:00:33,997 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) [2024-11-21 23:00:33,998 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 [2024-11-21 23:00:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 23:00:45,071 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-21 23:00:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 23:00:54,048 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-21 23:00:54,048 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-21 23:00:54,049 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-21 23:00:54,094 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 [2024-11-21 23:00:54,251 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 [2024-11-21 23:00:54,255 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-21 23:00:54,268 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-21 23:00:54,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 11:00:54 BoogieIcfgContainer [2024-11-21 23:00:54,271 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-21 23:00:54,271 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-21 23:00:54,271 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-21 23:00:54,271 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-21 23:00:54,272 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:00:32" (3/4) ... [2024-11-21 23:00:54,273 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-21 23:00:54,297 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-21 23:00:54,297 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-21 23:00:54,297 INFO L158 Benchmark]: Toolchain (without parser) took 32239.31ms. Allocated memory is still 73.4MB. Free memory was 45.6MB in the beginning and 36.1MB in the end (delta: 9.5MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-11-21 23:00:54,297 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 56.6MB. Free memory is still 31.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 23:00:54,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.27ms. Allocated memory is still 73.4MB. Free memory was 45.4MB in the beginning and 51.8MB in the end (delta: -6.4MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-21 23:00:54,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.48ms. Allocated memory is still 73.4MB. Free memory was 51.8MB in the beginning and 50.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-21 23:00:54,298 INFO L158 Benchmark]: Boogie Preprocessor took 40.40ms. Allocated memory is still 73.4MB. Free memory was 50.1MB in the beginning and 48.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-21 23:00:54,298 INFO L158 Benchmark]: RCFGBuilder took 10322.25ms. Allocated memory is still 73.4MB. Free memory was 48.0MB in the beginning and 37.9MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-21 23:00:54,298 INFO L158 Benchmark]: TraceAbstraction took 21553.48ms. Allocated memory is still 73.4MB. Free memory was 37.2MB in the beginning and 37.7MB in the end (delta: -455.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 23:00:54,299 INFO L158 Benchmark]: Witness Printer took 25.42ms. Allocated memory is still 73.4MB. Free memory was 37.7MB in the beginning and 36.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 23:00:54,300 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78ms. Allocated memory is still 56.6MB. Free memory is still 31.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.27ms. Allocated memory is still 73.4MB. Free memory was 45.4MB in the beginning and 51.8MB in the end (delta: -6.4MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.48ms. Allocated memory is still 73.4MB. Free memory was 51.8MB in the beginning and 50.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.40ms. Allocated memory is still 73.4MB. Free memory was 50.1MB in the beginning and 48.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 10322.25ms. Allocated memory is still 73.4MB. Free memory was 48.0MB in the beginning and 37.9MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 21553.48ms. Allocated memory is still 73.4MB. Free memory was 37.2MB in the beginning and 37.7MB in the end (delta: -455.6kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 25.42ms. Allocated memory is still 73.4MB. Free memory was 37.7MB in the beginning and 36.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 > -1.2f && IN < 1.2f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -1.2f && IN < 1.2f) [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=-0.9334200024604797] [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=0.37061208486557007] [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, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.5s, 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, 11.8s 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-21 23:00:54,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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