./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/nan_double_range.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/nan_double_range.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 797690fe71841b0a44bd1fd32f2345404ce21c41a044ac3f72f0df27db5c2176 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 00:24:35,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 00:24:35,712 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 00:24:35,719 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 00:24:35,720 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 00:24:35,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 00:24:35,750 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 00:24:35,751 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 00:24:35,751 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 00:24:35,753 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 00:24:35,781 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 00:24:35,782 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 00:24:35,783 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 00:24:35,783 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 00:24:35,783 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 00:24:35,784 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 00:24:35,784 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 00:24:35,784 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 00:24:35,784 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 00:24:35,785 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 00:24:35,785 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 00:24:35,787 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 00:24:35,787 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 00:24:35,788 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 00:24:35,788 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 00:24:35,788 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 00:24:35,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 00:24:35,789 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 00:24:35,789 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 00:24:35,789 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 00:24:35,790 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 00:24:35,790 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 00:24:35,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:24:35,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 00:24:35,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 00:24:35,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 00:24:35,792 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 00:24:35,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 00:24:35,792 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 00:24:35,793 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 00:24:35,793 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 00:24:35,793 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 00:24:35,794 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 797690fe71841b0a44bd1fd32f2345404ce21c41a044ac3f72f0df27db5c2176 [2024-10-11 00:24:36,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 00:24:36,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 00:24:36,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 00:24:36,130 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 00:24:36,130 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 00:24:36,132 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/nan_double_range.c [2024-10-11 00:24:37,692 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 00:24:37,894 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 00:24:37,895 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/nan_double_range.c [2024-10-11 00:24:37,906 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/20fd93c45/be051298434a415795157e5d85b8f720/FLAGec5fd273c [2024-10-11 00:24:37,920 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/20fd93c45/be051298434a415795157e5d85b8f720 [2024-10-11 00:24:37,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 00:24:37,924 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 00:24:37,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 00:24:37,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 00:24:37,934 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 00:24:37,935 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:24:37" (1/1) ... [2024-10-11 00:24:37,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@82ae956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:37, skipping insertion in model container [2024-10-11 00:24:37,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:24:37" (1/1) ... [2024-10-11 00:24:37,954 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 00:24:38,133 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/nan_double_range.c[422,435] [2024-10-11 00:24:38,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:24:38,152 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 00:24:38,163 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/nan_double_range.c[422,435] [2024-10-11 00:24:38,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:24:38,180 INFO L204 MainTranslator]: Completed translation [2024-10-11 00:24:38,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:38 WrapperNode [2024-10-11 00:24:38,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 00:24:38,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 00:24:38,182 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 00:24:38,182 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 00:24:38,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:38" (1/1) ... [2024-10-11 00:24:38,196 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:38" (1/1) ... [2024-10-11 00:24:38,210 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 23 [2024-10-11 00:24:38,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 00:24:38,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 00:24:38,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 00:24:38,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 00:24:38,221 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:38" (1/1) ... [2024-10-11 00:24:38,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:38" (1/1) ... [2024-10-11 00:24:38,222 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:38" (1/1) ... [2024-10-11 00:24:38,232 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]. [2024-10-11 00:24:38,232 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:38" (1/1) ... [2024-10-11 00:24:38,232 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:38" (1/1) ... [2024-10-11 00:24:38,235 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:38" (1/1) ... [2024-10-11 00:24:38,237 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:38" (1/1) ... [2024-10-11 00:24:38,238 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:38" (1/1) ... [2024-10-11 00:24:38,239 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:38" (1/1) ... [2024-10-11 00:24:38,241 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 00:24:38,246 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 00:24:38,246 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 00:24:38,246 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 00:24:38,247 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:38" (1/1) ... [2024-10-11 00:24:38,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:24:38,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 00:24:38,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 00:24:38,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 00:24:38,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 00:24:38,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 00:24:38,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 00:24:38,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 00:24:38,401 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 00:24:38,403 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 00:24:38,500 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-10-11 00:24:38,500 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 00:24:38,530 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 00:24:38,531 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 00:24:38,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:38 BoogieIcfgContainer [2024-10-11 00:24:38,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 00:24:38,534 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 00:24:38,534 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 00:24:38,537 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 00:24:38,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:24:37" (1/3) ... [2024-10-11 00:24:38,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d910ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:24:38, skipping insertion in model container [2024-10-11 00:24:38,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:38" (2/3) ... [2024-10-11 00:24:38,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d910ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:24:38, skipping insertion in model container [2024-10-11 00:24:38,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:38" (3/3) ... [2024-10-11 00:24:38,539 INFO L112 eAbstractionObserver]: Analyzing ICFG nan_double_range.c [2024-10-11 00:24:38,553 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 00:24:38,553 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 00:24:38,627 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 00:24:38,641 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;@7f45b67b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 00:24:38,642 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 00:24:38,650 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:24:38,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-11 00:24:38,671 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:24:38,672 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-11 00:24:38,672 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:24:38,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:24:38,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1643568, now seen corresponding path program 1 times [2024-10-11 00:24:38,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 00:24:38,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101504614] [2024-10-11 00:24:38,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:24:38,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 00:24:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 00:24:38,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 00:24:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 00:24:38,820 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 00:24:38,822 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 00:24:38,823 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 00:24:38,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 00:24:38,829 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-11 00:24:38,843 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 00:24:38,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:24:38 BoogieIcfgContainer [2024-10-11 00:24:38,847 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 00:24:38,849 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 00:24:38,849 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 00:24:38,849 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 00:24:38,850 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:38" (3/4) ... [2024-10-11 00:24:38,852 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 00:24:38,854 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 00:24:38,855 INFO L158 Benchmark]: Toolchain (without parser) took 930.34ms. Allocated memory is still 218.1MB. Free memory was 150.8MB in the beginning and 179.5MB in the end (delta: -28.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 00:24:38,855 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 00:24:38,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.69ms. Allocated memory is still 218.1MB. Free memory was 150.5MB in the beginning and 138.8MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-11 00:24:38,857 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.15ms. Allocated memory is still 218.1MB. Free memory was 138.8MB in the beginning and 137.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 00:24:38,857 INFO L158 Benchmark]: Boogie Preprocessor took 30.19ms. Allocated memory is still 218.1MB. Free memory was 137.4MB in the beginning and 135.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 00:24:38,858 INFO L158 Benchmark]: RCFGBuilder took 285.57ms. Allocated memory is still 218.1MB. Free memory was 135.8MB in the beginning and 125.9MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-11 00:24:38,858 INFO L158 Benchmark]: TraceAbstraction took 312.94ms. Allocated memory is still 218.1MB. Free memory was 125.1MB in the beginning and 179.8MB in the end (delta: -54.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 00:24:38,859 INFO L158 Benchmark]: Witness Printer took 5.20ms. Allocated memory is still 218.1MB. Free memory was 179.8MB in the beginning and 179.5MB in the end (delta: 321.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 00:24:38,864 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.69ms. Allocated memory is still 218.1MB. Free memory was 150.5MB in the beginning and 138.8MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.15ms. Allocated memory is still 218.1MB. Free memory was 138.8MB in the beginning and 137.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.19ms. Allocated memory is still 218.1MB. Free memory was 137.4MB in the beginning and 135.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 285.57ms. Allocated memory is still 218.1MB. Free memory was 135.8MB in the beginning and 125.9MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 312.94ms. Allocated memory is still 218.1MB. Free memory was 125.1MB in the beginning and 179.8MB in the end (delta: -54.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.20ms. Allocated memory is still 218.1MB. Free memory was 179.8MB in the beginning and 179.5MB in the end (delta: 321.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 8]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 15. Possible FailurePath: [L12] double x; [L13] x = __VERIFIER_nondet_double() [L15] COND TRUE x >= -1e307 && x <= 1e307 [L16] CALL __VERIFIER_assert(x==x) [L8] COND TRUE !(cond) [L8] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-11 00:24:38,898 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/nan_double_range.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 797690fe71841b0a44bd1fd32f2345404ce21c41a044ac3f72f0df27db5c2176 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 00:24:41,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 00:24:41,363 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-11 00:24:41,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 00:24:41,371 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 00:24:41,404 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 00:24:41,406 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 00:24:41,407 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 00:24:41,408 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 00:24:41,410 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 00:24:41,410 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 00:24:41,410 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 00:24:41,411 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 00:24:41,412 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 00:24:41,412 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 00:24:41,415 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 00:24:41,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 00:24:41,416 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 00:24:41,416 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 00:24:41,417 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 00:24:41,417 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 00:24:41,418 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 00:24:41,418 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 00:24:41,419 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 00:24:41,420 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 00:24:41,420 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 00:24:41,420 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 00:24:41,421 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 00:24:41,421 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 00:24:41,421 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 00:24:41,422 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 00:24:41,422 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 00:24:41,422 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 00:24:41,423 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 00:24:41,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:24:41,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 00:24:41,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 00:24:41,424 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 00:24:41,424 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 00:24:41,425 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 00:24:41,425 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 00:24:41,426 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 00:24:41,426 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 00:24:41,427 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 00:24:41,427 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 00:24:41,427 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 797690fe71841b0a44bd1fd32f2345404ce21c41a044ac3f72f0df27db5c2176 [2024-10-11 00:24:41,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 00:24:41,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 00:24:41,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 00:24:41,842 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 00:24:41,843 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 00:24:41,846 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/nan_double_range.c [2024-10-11 00:24:43,546 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 00:24:43,732 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 00:24:43,732 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/nan_double_range.c [2024-10-11 00:24:43,740 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/80efa823f/89ce0ab4aa504dad884ba01c1ccc47c6/FLAG840e25694 [2024-10-11 00:24:43,752 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/80efa823f/89ce0ab4aa504dad884ba01c1ccc47c6 [2024-10-11 00:24:43,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 00:24:43,756 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 00:24:43,757 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 00:24:43,757 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 00:24:43,764 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 00:24:43,765 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:24:43" (1/1) ... [2024-10-11 00:24:43,766 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3296867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:43, skipping insertion in model container [2024-10-11 00:24:43,766 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:24:43" (1/1) ... [2024-10-11 00:24:43,785 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 00:24:43,985 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/nan_double_range.c[422,435] [2024-10-11 00:24:43,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:24:44,016 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 00:24:44,030 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/nan_double_range.c[422,435] [2024-10-11 00:24:44,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 00:24:44,055 INFO L204 MainTranslator]: Completed translation [2024-10-11 00:24:44,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:44 WrapperNode [2024-10-11 00:24:44,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 00:24:44,057 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 00:24:44,057 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 00:24:44,057 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 00:24:44,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:44" (1/1) ... [2024-10-11 00:24:44,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:44" (1/1) ... [2024-10-11 00:24:44,091 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24 [2024-10-11 00:24:44,092 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 00:24:44,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 00:24:44,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 00:24:44,093 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 00:24:44,102 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:44" (1/1) ... [2024-10-11 00:24:44,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:44" (1/1) ... [2024-10-11 00:24:44,105 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:44" (1/1) ... [2024-10-11 00:24:44,118 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]. [2024-10-11 00:24:44,119 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:44" (1/1) ... [2024-10-11 00:24:44,119 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:44" (1/1) ... [2024-10-11 00:24:44,126 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:44" (1/1) ... [2024-10-11 00:24:44,130 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:44" (1/1) ... [2024-10-11 00:24:44,135 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:44" (1/1) ... [2024-10-11 00:24:44,136 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:44" (1/1) ... [2024-10-11 00:24:44,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 00:24:44,141 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 00:24:44,141 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 00:24:44,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 00:24:44,142 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:44" (1/1) ... [2024-10-11 00:24:44,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 00:24:44,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 00:24:44,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 00:24:44,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 00:24:44,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 00:24:44,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-11 00:24:44,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 00:24:44,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 00:24:44,311 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 00:24:44,316 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 00:24:44,466 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-10-11 00:24:44,466 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 00:24:44,503 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 00:24:44,503 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 00:24:44,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:44 BoogieIcfgContainer [2024-10-11 00:24:44,503 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 00:24:44,505 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 00:24:44,505 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 00:24:44,510 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 00:24:44,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:24:43" (1/3) ... [2024-10-11 00:24:44,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e0a5dad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:24:44, skipping insertion in model container [2024-10-11 00:24:44,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:44" (2/3) ... [2024-10-11 00:24:44,514 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e0a5dad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:24:44, skipping insertion in model container [2024-10-11 00:24:44,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:44" (3/3) ... [2024-10-11 00:24:44,516 INFO L112 eAbstractionObserver]: Analyzing ICFG nan_double_range.c [2024-10-11 00:24:44,534 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 00:24:44,535 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 00:24:44,617 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 00:24:44,623 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;@5afb2842, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 00:24:44,623 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 00:24:44,627 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 00:24:44,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-11 00:24:44,633 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 00:24:44,634 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-11 00:24:44,635 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 00:24:44,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 00:24:44,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1643568, now seen corresponding path program 1 times [2024-10-11 00:24:44,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 00:24:44,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [365042318] [2024-10-11 00:24:44,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 00:24:44,654 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 [2024-10-11 00:24:44,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 00:24:44,656 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/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) [2024-10-11 00:24:44,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 00:24:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 00:24:44,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 00:24:44,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 00:24:44,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 00:24:44,879 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 00:24:44,882 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 00:24:44,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [365042318] [2024-10-11 00:24:44,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [365042318] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 00:24:44,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 00:24:44,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 00:24:44,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344115346] [2024-10-11 00:24:44,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 00:24:44,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 00:24:44,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 00:24:44,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 00:24:44,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 00:24:44,920 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-10-11 00:24:44,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 00:24:44,957 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2024-10-11 00:24:44,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 00:24:44,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2024-10-11 00:24:44,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 00:24:44,974 INFO L225 Difference]: With dead ends: 11 [2024-10-11 00:24:44,977 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 00:24:44,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 00:24:44,984 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 00:24:44,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 00:24:45,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 00:24:45,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 00:24:45,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-10-11 00:24:45,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 00:24:45,010 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2024-10-11 00:24:45,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 00:24:45,010 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 00:24:45,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-10-11 00:24:45,010 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 00:24:45,011 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 00:24:45,013 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 00:24:45,018 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 00:24:45,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/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 [2024-10-11 00:24:45,220 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-11 00:24:45,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 00:24:45,228 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 00:24:45,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:24:45 BoogieIcfgContainer [2024-10-11 00:24:45,236 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 00:24:45,236 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 00:24:45,236 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 00:24:45,237 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 00:24:45,237 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:44" (3/4) ... [2024-10-11 00:24:45,239 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 00:24:45,245 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-11 00:24:45,245 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-11 00:24:45,246 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 00:24:45,246 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 00:24:45,324 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 00:24:45,325 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 00:24:45,326 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 00:24:45,327 INFO L158 Benchmark]: Toolchain (without parser) took 1571.01ms. Allocated memory is still 75.5MB. Free memory was 43.2MB in the beginning and 32.4MB in the end (delta: 10.8MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-10-11 00:24:45,327 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 52.4MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 00:24:45,329 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.69ms. Allocated memory is still 75.5MB. Free memory was 43.0MB in the beginning and 50.7MB in the end (delta: -7.7MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-10-11 00:24:45,329 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.05ms. Allocated memory is still 75.5MB. Free memory was 50.7MB in the beginning and 49.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 00:24:45,330 INFO L158 Benchmark]: Boogie Preprocessor took 47.14ms. Allocated memory is still 75.5MB. Free memory was 49.0MB in the beginning and 47.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 00:24:45,332 INFO L158 Benchmark]: RCFGBuilder took 362.68ms. Allocated memory is still 75.5MB. Free memory was 47.4MB in the beginning and 36.9MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-11 00:24:45,332 INFO L158 Benchmark]: TraceAbstraction took 730.46ms. Allocated memory is still 75.5MB. Free memory was 36.4MB in the beginning and 36.6MB in the end (delta: -270.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 00:24:45,333 INFO L158 Benchmark]: Witness Printer took 90.08ms. Allocated memory is still 75.5MB. Free memory was 36.3MB in the beginning and 32.4MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 00:24:45,334 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 52.4MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.69ms. Allocated memory is still 75.5MB. Free memory was 43.0MB in the beginning and 50.7MB in the end (delta: -7.7MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.05ms. Allocated memory is still 75.5MB. Free memory was 50.7MB in the beginning and 49.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.14ms. Allocated memory is still 75.5MB. Free memory was 49.0MB in the beginning and 47.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 362.68ms. Allocated memory is still 75.5MB. Free memory was 47.4MB in the beginning and 36.9MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 730.46ms. Allocated memory is still 75.5MB. Free memory was 36.4MB in the beginning and 36.6MB in the end (delta: -270.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 90.08ms. Allocated memory is still 75.5MB. Free memory was 36.3MB in the beginning and 32.4MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. 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 - PositiveResult [Line: 8]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 3 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 1 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 4 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-11 00:24:45,378 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE