./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0662b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/float-newlib/float_req_bl_0662b.c -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 c438ffd626bdee128509ec860e89120ac1af3d509c5b04a3a25ef010460145fc --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 12:36:55,366 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 12:36:55,461 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 12:36:55,476 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 12:36:55,477 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 12:36:55,504 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 12:36:55,506 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 12:36:55,506 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 12:36:55,507 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 12:36:55,508 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 12:36:55,509 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 12:36:55,509 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 12:36:55,510 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 12:36:55,510 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 12:36:55,510 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 12:36:55,512 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 12:36:55,513 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 12:36:55,513 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 12:36:55,513 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 12:36:55,513 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 12:36:55,513 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 12:36:55,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 12:36:55,515 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 12:36:55,515 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 12:36:55,515 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 12:36:55,516 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 12:36:55,516 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 12:36:55,516 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 12:36:55,516 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 12:36:55,517 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 12:36:55,517 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 12:36:55,517 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 12:36:55,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 12:36:55,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 12:36:55,518 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 12:36:55,518 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 12:36:55,518 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 12:36:55,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 12:36:55,519 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 12:36:55,519 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 12:36:55,519 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 12:36:55,520 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 12:36:55,520 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c438ffd626bdee128509ec860e89120ac1af3d509c5b04a3a25ef010460145fc [2024-11-08 12:36:55,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 12:36:55,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 12:36:55,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 12:36:55,733 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 12:36:55,734 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 12:36:55,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0662b.c [2024-11-08 12:36:57,146 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 12:36:57,301 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 12:36:57,302 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0662b.c [2024-11-08 12:36:57,313 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0621c518d/9c6d703f01574f4186856a47f4198a05/FLAGd7d96186a [2024-11-08 12:36:57,342 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0621c518d/9c6d703f01574f4186856a47f4198a05 [2024-11-08 12:36:57,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 12:36:57,346 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 12:36:57,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 12:36:57,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 12:36:57,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 12:36:57,356 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:36:57" (1/1) ... [2024-11-08 12:36:57,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb5b924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:36:57, skipping insertion in model container [2024-11-08 12:36:57,357 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:36:57" (1/1) ... [2024-11-08 12:36:57,386 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 12:36:57,633 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/float-newlib/float_req_bl_0662b.c[5281,5294] [2024-11-08 12:36:57,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:36:57,651 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 12:36:57,698 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/float-newlib/float_req_bl_0662b.c[5281,5294] [2024-11-08 12:36:57,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:36:57,722 INFO L204 MainTranslator]: Completed translation [2024-11-08 12:36:57,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:36:57 WrapperNode [2024-11-08 12:36:57,723 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 12:36:57,724 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 12:36:57,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 12:36:57,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 12:36:57,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:36:57" (1/1) ... [2024-11-08 12:36:57,743 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:36:57" (1/1) ... [2024-11-08 12:36:57,771 INFO L138 Inliner]: procedures = 20, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 235 [2024-11-08 12:36:57,772 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 12:36:57,773 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 12:36:57,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 12:36:57,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 12:36:57,785 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:36:57" (1/1) ... [2024-11-08 12:36:57,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:36:57" (1/1) ... [2024-11-08 12:36:57,790 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:36:57" (1/1) ... [2024-11-08 12:36:57,799 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-08 12:36:57,799 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:36:57" (1/1) ... [2024-11-08 12:36:57,799 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:36:57" (1/1) ... [2024-11-08 12:36:57,812 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:36:57" (1/1) ... [2024-11-08 12:36:57,817 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:36:57" (1/1) ... [2024-11-08 12:36:57,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:36:57" (1/1) ... [2024-11-08 12:36:57,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:36:57" (1/1) ... [2024-11-08 12:36:57,824 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 12:36:57,826 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 12:36:57,826 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 12:36:57,826 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 12:36:57,830 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:36:57" (1/1) ... [2024-11-08 12:36:57,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 12:36:57,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 12:36:57,868 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) [2024-11-08 12:36:57,873 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 [2024-11-08 12:36:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 12:36:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 12:36:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-08 12:36:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 12:36:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-08 12:36:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 12:36:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-08 12:36:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-11-08 12:36:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-11-08 12:36:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 12:36:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 12:36:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 12:36:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-08 12:36:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2024-11-08 12:36:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2024-11-08 12:36:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 12:36:58,068 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 12:36:58,071 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 12:36:58,497 INFO L? ?]: Removed 66 outVars from TransFormulas that were not future-live. [2024-11-08 12:36:58,497 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 12:36:58,510 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 12:36:58,510 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-08 12:36:58,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:36:58 BoogieIcfgContainer [2024-11-08 12:36:58,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 12:36:58,513 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 12:36:58,513 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 12:36:58,516 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 12:36:58,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:36:57" (1/3) ... [2024-11-08 12:36:58,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd19d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:36:58, skipping insertion in model container [2024-11-08 12:36:58,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:36:57" (2/3) ... [2024-11-08 12:36:58,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cd19d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:36:58, skipping insertion in model container [2024-11-08 12:36:58,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:36:58" (3/3) ... [2024-11-08 12:36:58,519 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0662b.c [2024-11-08 12:36:58,536 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 12:36:58,536 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 12:36:58,595 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 12:36:58,601 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;@e5b304b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:36:58,602 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 12:36:58,606 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 85 states have (on average 1.6588235294117648) internal successors, (141), 86 states have internal predecessors, (141), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-08 12:36:58,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 12:36:58,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:36:58,613 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:36:58,614 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:36:58,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:36:58,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1457392418, now seen corresponding path program 1 times [2024-11-08 12:36:58,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:36:58,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378498734] [2024-11-08 12:36:58,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:36:58,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:36:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:36:58,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:36:58,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:36:58,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378498734] [2024-11-08 12:36:58,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378498734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:36:58,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:36:58,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:36:58,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554485954] [2024-11-08 12:36:58,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:36:58,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 12:36:58,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:36:58,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 12:36:58,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:36:58,879 INFO L87 Difference]: Start difference. First operand has 93 states, 85 states have (on average 1.6588235294117648) internal successors, (141), 86 states have internal predecessors, (141), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-11-08 12:36:58,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:36:58,911 INFO L93 Difference]: Finished difference Result 183 states and 298 transitions. [2024-11-08 12:36:58,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:36:58,913 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2024-11-08 12:36:58,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:36:58,920 INFO L225 Difference]: With dead ends: 183 [2024-11-08 12:36:58,921 INFO L226 Difference]: Without dead ends: 89 [2024-11-08 12:36:58,924 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 [2024-11-08 12:36:58,927 INFO L432 NwaCegarLoop]: 134 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, 134 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 [2024-11-08 12:36:58,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 12:36:58,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-08 12:36:58,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-08 12:36:58,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 82 states have (on average 1.475609756097561) internal successors, (121), 82 states have internal predecessors, (121), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-08 12:36:58,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 129 transitions. [2024-11-08 12:36:58,968 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 129 transitions. Word has length 11 [2024-11-08 12:36:58,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:36:58,969 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 129 transitions. [2024-11-08 12:36:58,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-11-08 12:36:58,969 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 129 transitions. [2024-11-08 12:36:58,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 12:36:58,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:36:58,970 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:36:58,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 12:36:58,970 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:36:58,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:36:58,971 INFO L85 PathProgramCache]: Analyzing trace with hash 413186411, now seen corresponding path program 1 times [2024-11-08 12:36:58,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:36:58,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768417708] [2024-11-08 12:36:58,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:36:58,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:36:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:36:59,051 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 12:36:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:36:59,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 12:36:59,152 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 12:36:59,154 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 12:36:59,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 12:36:59,161 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 12:36:59,187 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 12:36:59,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 12:36:59 BoogieIcfgContainer [2024-11-08 12:36:59,190 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 12:36:59,191 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 12:36:59,191 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 12:36:59,191 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 12:36:59,192 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:36:58" (3/4) ... [2024-11-08 12:36:59,194 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 12:36:59,195 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 12:36:59,195 INFO L158 Benchmark]: Toolchain (without parser) took 1849.60ms. Allocated memory is still 201.3MB. Free memory was 128.8MB in the beginning and 94.1MB in the end (delta: 34.7MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2024-11-08 12:36:59,196 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 157.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 12:36:59,196 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.02ms. Allocated memory is still 201.3MB. Free memory was 128.6MB in the beginning and 112.5MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 12:36:59,197 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.13ms. Allocated memory is still 201.3MB. Free memory was 112.5MB in the beginning and 110.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 12:36:59,197 INFO L158 Benchmark]: Boogie Preprocessor took 51.83ms. Allocated memory is still 201.3MB. Free memory was 110.0MB in the beginning and 107.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 12:36:59,198 INFO L158 Benchmark]: RCFGBuilder took 685.15ms. Allocated memory is still 201.3MB. Free memory was 107.0MB in the beginning and 144.4MB in the end (delta: -37.5MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-11-08 12:36:59,198 INFO L158 Benchmark]: TraceAbstraction took 677.19ms. Allocated memory is still 201.3MB. Free memory was 143.4MB in the beginning and 94.1MB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-08 12:36:59,198 INFO L158 Benchmark]: Witness Printer took 4.16ms. Allocated memory is still 201.3MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 12:36:59,200 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 157.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 376.02ms. Allocated memory is still 201.3MB. Free memory was 128.6MB in the beginning and 112.5MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.13ms. Allocated memory is still 201.3MB. Free memory was 112.5MB in the beginning and 110.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.83ms. Allocated memory is still 201.3MB. Free memory was 110.0MB in the beginning and 107.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 685.15ms. Allocated memory is still 201.3MB. Free memory was 107.0MB in the beginning and 144.4MB in the end (delta: -37.5MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * TraceAbstraction took 677.19ms. Allocated memory is still 201.3MB. Free memory was 143.4MB in the beginning and 94.1MB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 4.16ms. Allocated memory is still 201.3MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 232]: 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 231, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L218] float x = 0.0f; [L219] float y = __VERIFIER_nondet_float(); [L226] COND TRUE y < 0.0f [L228] CALL, EXPR __ieee754_atan2f(y, x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=0, y=1000000000000000000000000000035, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-8388606, ix=2139095042, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=0, y=1000000000000000000000000000035, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-8388606, hy=-8388607, ix=2139095042, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=0, y=1000000000000000000000000000035, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-8388606, hy=-8388607, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=0, y=1000000000000000000000000000035, zero_atan2=0] [L228] RET, EXPR __ieee754_atan2f(y, x) [L228] float res = __ieee754_atan2f(y, x); [L231] COND TRUE res != -pi_o_2 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L232] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, 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, 134 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, 134 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=93occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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 [2024-11-08 12:36:59,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/float-newlib/float_req_bl_0662b.c -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 c438ffd626bdee128509ec860e89120ac1af3d509c5b04a3a25ef010460145fc --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 12:37:01,460 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 12:37:01,523 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 12:37:01,528 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 12:37:01,529 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 12:37:01,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 12:37:01,550 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 12:37:01,551 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 12:37:01,551 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 12:37:01,552 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 12:37:01,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 12:37:01,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 12:37:01,553 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 12:37:01,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 12:37:01,554 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 12:37:01,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 12:37:01,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 12:37:01,555 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 12:37:01,555 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 12:37:01,555 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 12:37:01,556 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 12:37:01,556 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 12:37:01,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 12:37:01,557 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 12:37:01,557 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 12:37:01,557 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 12:37:01,558 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 12:37:01,558 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 12:37:01,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 12:37:01,558 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 12:37:01,559 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 12:37:01,559 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 12:37:01,559 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 12:37:01,560 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 12:37:01,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 12:37:01,561 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 12:37:01,561 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 12:37:01,561 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 12:37:01,562 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-08 12:37:01,562 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 12:37:01,562 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 12:37:01,563 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 12:37:01,563 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 12:37:01,563 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 12:37:01,563 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c438ffd626bdee128509ec860e89120ac1af3d509c5b04a3a25ef010460145fc [2024-11-08 12:37:01,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 12:37:01,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 12:37:01,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 12:37:02,008 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 12:37:02,009 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 12:37:02,010 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0662b.c [2024-11-08 12:37:03,598 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 12:37:03,802 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 12:37:03,803 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0662b.c [2024-11-08 12:37:03,814 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e33a167f/350843b5eaff47a784c2e78497256fca/FLAG24f98003e [2024-11-08 12:37:03,830 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e33a167f/350843b5eaff47a784c2e78497256fca [2024-11-08 12:37:03,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 12:37:03,835 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 12:37:03,836 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 12:37:03,837 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 12:37:03,842 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 12:37:03,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:37:03" (1/1) ... [2024-11-08 12:37:03,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dfe557a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:37:03, skipping insertion in model container [2024-11-08 12:37:03,845 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:37:03" (1/1) ... [2024-11-08 12:37:03,871 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 12:37:04,132 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/float-newlib/float_req_bl_0662b.c[5281,5294] [2024-11-08 12:37:04,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:37:04,167 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 12:37:04,235 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/float-newlib/float_req_bl_0662b.c[5281,5294] [2024-11-08 12:37:04,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:37:04,274 INFO L204 MainTranslator]: Completed translation [2024-11-08 12:37:04,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:37:04 WrapperNode [2024-11-08 12:37:04,275 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 12:37:04,276 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 12:37:04,276 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 12:37:04,277 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 12:37:04,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:37:04" (1/1) ... [2024-11-08 12:37:04,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:37:04" (1/1) ... [2024-11-08 12:37:04,350 INFO L138 Inliner]: procedures = 23, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 220 [2024-11-08 12:37:04,350 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 12:37:04,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 12:37:04,352 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 12:37:04,352 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 12:37:04,365 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:37:04" (1/1) ... [2024-11-08 12:37:04,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:37:04" (1/1) ... [2024-11-08 12:37:04,382 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:37:04" (1/1) ... [2024-11-08 12:37:04,439 INFO L175 MemorySlicer]: Split 53 memory accesses to 11 slices as follows [2, 2, 7, 7, 2, 2, 23, 2, 2, 2, 2]. 43 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 0, 4, 4, 0, 0, 0, 0, 0, 0, 0]. The 19 writes are split as follows [0, 1, 0, 0, 1, 1, 12, 1, 1, 1, 1]. [2024-11-08 12:37:04,439 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:37:04" (1/1) ... [2024-11-08 12:37:04,439 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:37:04" (1/1) ... [2024-11-08 12:37:04,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:37:04" (1/1) ... [2024-11-08 12:37:04,489 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:37:04" (1/1) ... [2024-11-08 12:37:04,499 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:37:04" (1/1) ... [2024-11-08 12:37:04,501 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:37:04" (1/1) ... [2024-11-08 12:37:04,519 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 12:37:04,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 12:37:04,520 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 12:37:04,520 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 12:37:04,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:37:04" (1/1) ... [2024-11-08 12:37:04,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 12:37:04,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 12:37:04,564 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) [2024-11-08 12:37:04,571 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 [2024-11-08 12:37:04,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 12:37:04,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-08 12:37:04,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-08 12:37:04,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-08 12:37:04,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-08 12:37:04,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-08 12:37:04,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-08 12:37:04,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-08 12:37:04,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-08 12:37:04,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-08 12:37:04,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-08 12:37:04,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-08 12:37:04,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 12:37:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 12:37:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-08 12:37:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-08 12:37:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-08 12:37:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-08 12:37:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-08 12:37:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-08 12:37:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-08 12:37:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-08 12:37:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-08 12:37:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 12:37:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-08 12:37:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-08 12:37:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-08 12:37:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-08 12:37:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-08 12:37:04,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-08 12:37:04,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-08 12:37:04,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-08 12:37:04,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-08 12:37:04,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-08 12:37:04,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-08 12:37:04,615 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-11-08 12:37:04,615 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-11-08 12:37:04,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-08 12:37:04,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-08 12:37:04,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-08 12:37:04,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-08 12:37:04,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-08 12:37:04,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-08 12:37:04,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-08 12:37:04,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-08 12:37:04,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-08 12:37:04,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-08 12:37:04,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-08 12:37:04,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-08 12:37:04,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-08 12:37:04,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2024-11-08 12:37:04,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2024-11-08 12:37:04,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2024-11-08 12:37:04,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2024-11-08 12:37:04,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2024-11-08 12:37:04,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2024-11-08 12:37:04,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2024-11-08 12:37:04,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2024-11-08 12:37:04,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2024-11-08 12:37:04,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 12:37:04,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 12:37:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-08 12:37:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-08 12:37:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-08 12:37:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-08 12:37:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-08 12:37:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-08 12:37:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-08 12:37:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-08 12:37:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-08 12:37:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-08 12:37:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-08 12:37:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2024-11-08 12:37:04,620 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2024-11-08 12:37:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-08 12:37:04,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-08 12:37:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-08 12:37:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-08 12:37:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-08 12:37:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-08 12:37:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-08 12:37:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-08 12:37:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-08 12:37:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-08 12:37:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-08 12:37:04,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 12:37:04,788 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 12:37:04,791 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 12:37:24,308 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2024-11-08 12:37:24,308 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 12:37:24,323 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 12:37:24,323 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-08 12:37:24,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:37:24 BoogieIcfgContainer [2024-11-08 12:37:24,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 12:37:24,325 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 12:37:24,325 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 12:37:24,327 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 12:37:24,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:37:03" (1/3) ... [2024-11-08 12:37:24,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2852a4f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:37:24, skipping insertion in model container [2024-11-08 12:37:24,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:37:04" (2/3) ... [2024-11-08 12:37:24,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2852a4f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:37:24, skipping insertion in model container [2024-11-08 12:37:24,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:37:24" (3/3) ... [2024-11-08 12:37:24,329 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0662b.c [2024-11-08 12:37:24,341 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 12:37:24,341 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 12:37:24,383 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 12:37:24,412 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;@5d354e82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:37:24,412 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 12:37:24,415 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 78 states have (on average 1.6666666666666667) internal successors, (130), 79 states have internal predecessors, (130), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-08 12:37:24,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 12:37:24,421 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:37:24,422 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:37:24,424 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:37:24,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:37:24,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1457367593, now seen corresponding path program 1 times [2024-11-08 12:37:24,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 12:37:24,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [445012846] [2024-11-08 12:37:24,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:37:24,443 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 [2024-11-08 12:37:24,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 12:37:24,448 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) [2024-11-08 12:37:24,452 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 [2024-11-08 12:37:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:37:25,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 12:37:25,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:37:25,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:37:25,262 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:37:25,263 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-08 12:37:25,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [445012846] [2024-11-08 12:37:25,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [445012846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:37:25,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:37:25,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:37:25,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121985136] [2024-11-08 12:37:25,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:37:25,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 12:37:25,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-08 12:37:25,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 12:37:25,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:37:25,291 INFO L87 Difference]: Start difference. First operand has 86 states, 78 states have (on average 1.6666666666666667) internal successors, (130), 79 states have internal predecessors, (130), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-11-08 12:37:25,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:37:25,322 INFO L93 Difference]: Finished difference Result 169 states and 276 transitions. [2024-11-08 12:37:25,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:37:25,324 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2024-11-08 12:37:25,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:37:25,333 INFO L225 Difference]: With dead ends: 169 [2024-11-08 12:37:25,338 INFO L226 Difference]: Without dead ends: 82 [2024-11-08 12:37:25,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:37:25,345 INFO L432 NwaCegarLoop]: 123 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, 123 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 [2024-11-08 12:37:25,347 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 12:37:25,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-08 12:37:25,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-08 12:37:25,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 75 states have (on average 1.4666666666666666) internal successors, (110), 75 states have internal predecessors, (110), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-08 12:37:25,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 118 transitions. [2024-11-08 12:37:25,396 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 118 transitions. Word has length 11 [2024-11-08 12:37:25,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:37:25,399 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 118 transitions. [2024-11-08 12:37:25,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-11-08 12:37:25,399 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 118 transitions. [2024-11-08 12:37:25,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 12:37:25,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:37:25,400 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:37:25,425 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 [2024-11-08 12:37:25,600 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 [2024-11-08 12:37:25,600 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:37:25,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:37:25,601 INFO L85 PathProgramCache]: Analyzing trace with hash 413161586, now seen corresponding path program 1 times [2024-11-08 12:37:25,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 12:37:25,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [665838751] [2024-11-08 12:37:25,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:37:25,602 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 [2024-11-08 12:37:25,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 12:37:25,606 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) [2024-11-08 12:37:25,608 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 [2024-11-08 12:37:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:37:26,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 12:37:26,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:37:26,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 12:37:26,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-08 12:37:28,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:37:28,471 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:37:28,472 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-08 12:37:28,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [665838751] [2024-11-08 12:37:28,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [665838751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:37:28,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:37:28,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 12:37:28,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902257271] [2024-11-08 12:37:28,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:37:28,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 12:37:28,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-08 12:37:28,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 12:37:28,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 12:37:28,483 INFO L87 Difference]: Start difference. First operand 82 states and 118 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 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) [2024-11-08 12:37:32,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 12:37:38,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:37:38,283 INFO L93 Difference]: Finished difference Result 87 states and 123 transitions. [2024-11-08 12:37:38,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:37:38,284 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 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 13 [2024-11-08 12:37:38,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:37:38,284 INFO L225 Difference]: With dead ends: 87 [2024-11-08 12:37:38,284 INFO L226 Difference]: Without dead ends: 17 [2024-11-08 12:37:38,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=41, Invalid=90, Unknown=1, NotChecked=0, Total=132 [2024-11-08 12:37:38,285 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 31 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-08 12:37:38,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 37 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-08 12:37:38,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-08 12:37:38,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-08 12:37:38,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.0) internal successors, (16), 16 states have internal predecessors, (16), 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) [2024-11-08 12:37:38,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2024-11-08 12:37:38,288 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 13 [2024-11-08 12:37:38,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:37:38,288 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2024-11-08 12:37:38,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 states have internal predecessors, (13), 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) [2024-11-08 12:37:38,289 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2024-11-08 12:37:38,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 12:37:38,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 12:37:38,289 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 12:37:38,318 INFO L540 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)] Forceful destruction successful, exit code 0 [2024-11-08 12:37:38,490 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 [2024-11-08 12:37:38,490 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 12:37:38,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:37:38,491 INFO L85 PathProgramCache]: Analyzing trace with hash 512003217, now seen corresponding path program 1 times [2024-11-08 12:37:38,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-08 12:37:38,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1912314176] [2024-11-08 12:37:38,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:37:38,492 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 [2024-11-08 12:37:38,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-08 12:37:38,495 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2024-11-08 12:37:38,496 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 (4)] Waiting until timeout for monitored process [2024-11-08 12:37:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:37:39,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 12:37:39,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:37:40,442 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 12:37:40,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-08 12:37:42,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:37:42,106 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 12:37:42,106 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-08 12:37:42,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1912314176] [2024-11-08 12:37:42,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1912314176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:37:42,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:37:42,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 12:37:42,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760226367] [2024-11-08 12:37:42,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:37:42,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 12:37:42,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-08 12:37:42,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 12:37:42,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 12:37:42,107 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 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) [2024-11-08 12:37:45,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 12:37:45,167 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2024-11-08 12:37:45,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 12:37:45,167 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 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 16 [2024-11-08 12:37:45,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 12:37:45,167 INFO L225 Difference]: With dead ends: 17 [2024-11-08 12:37:45,167 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 12:37:45,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-08 12:37:45,168 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 8 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-08 12:37:45,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 28 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-08 12:37:45,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 12:37:45,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 12:37:45,169 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) [2024-11-08 12:37:45,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 12:37:45,169 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2024-11-08 12:37:45,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 12:37:45,169 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 12:37:45,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 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) [2024-11-08 12:37:45,170 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 12:37:45,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 12:37:45,172 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 12:37:45,204 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 (4)] Ended with exit code 0 [2024-11-08 12:37:45,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 [2024-11-08 12:37:45,376 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-08 12:37:45,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 12:37:45,948 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 12:37:45,965 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function fabs_float [2024-11-08 12:37:45,966 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function fabs_float [2024-11-08 12:37:45,966 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function fabs_float [2024-11-08 12:37:45,968 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function atan_float [2024-11-08 12:37:45,970 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function atan_float [2024-11-08 12:37:45,970 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function atan_float [2024-11-08 12:37:45,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 12:37:45 BoogieIcfgContainer [2024-11-08 12:37:45,971 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 12:37:45,971 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 12:37:45,972 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 12:37:45,972 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 12:37:45,972 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:37:24" (3/4) ... [2024-11-08 12:37:45,977 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 12:37:45,980 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2024-11-08 12:37:45,980 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2024-11-08 12:37:45,989 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2024-11-08 12:37:45,990 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-08 12:37:45,990 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 12:37:45,991 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 12:37:46,078 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-08 12:37:46,079 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-08 12:37:46,079 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 12:37:46,079 INFO L158 Benchmark]: Toolchain (without parser) took 42244.71ms. Allocated memory is still 96.5MB. Free memory was 56.2MB in the beginning and 35.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 12:37:46,079 INFO L158 Benchmark]: CDTParser took 5.07ms. Allocated memory is still 58.7MB. Free memory was 41.2MB in the beginning and 41.1MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 12:37:46,079 INFO L158 Benchmark]: CACSL2BoogieTranslator took 439.32ms. Allocated memory is still 96.5MB. Free memory was 55.7MB in the beginning and 38.5MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 12:37:46,080 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.32ms. Allocated memory is still 96.5MB. Free memory was 38.5MB in the beginning and 36.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 12:37:46,080 INFO L158 Benchmark]: Boogie Preprocessor took 167.99ms. Allocated memory is still 96.5MB. Free memory was 36.4MB in the beginning and 71.9MB in the end (delta: -35.5MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2024-11-08 12:37:46,080 INFO L158 Benchmark]: RCFGBuilder took 19803.54ms. Allocated memory is still 96.5MB. Free memory was 71.9MB in the beginning and 36.3MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-08 12:37:46,080 INFO L158 Benchmark]: TraceAbstraction took 21645.95ms. Allocated memory is still 96.5MB. Free memory was 35.7MB in the beginning and 42.1MB in the end (delta: -6.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 12:37:46,080 INFO L158 Benchmark]: Witness Printer took 107.31ms. Allocated memory is still 96.5MB. Free memory was 42.1MB in the beginning and 35.2MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 12:37:46,081 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 5.07ms. Allocated memory is still 58.7MB. Free memory was 41.2MB in the beginning and 41.1MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 439.32ms. Allocated memory is still 96.5MB. Free memory was 55.7MB in the beginning and 38.5MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.32ms. Allocated memory is still 96.5MB. Free memory was 38.5MB in the beginning and 36.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 167.99ms. Allocated memory is still 96.5MB. Free memory was 36.4MB in the beginning and 71.9MB in the end (delta: -35.5MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * RCFGBuilder took 19803.54ms. Allocated memory is still 96.5MB. Free memory was 71.9MB in the beginning and 36.3MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 21645.95ms. Allocated memory is still 96.5MB. Free memory was 35.7MB in the beginning and 42.1MB in the end (delta: -6.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 107.31ms. Allocated memory is still 96.5MB. Free memory was 42.1MB in the beginning and 35.2MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function fabs_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function fabs_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function fabs_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function atan_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function atan_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function atan_float * 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: 232]: 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 3 procedures, 86 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 7.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 188 SdHoareTripleChecker+Invalid, 6.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 49 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 58 IncrementalHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 139 mSDtfsCounter, 58 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=0, InterpolantAutomatonStates: 17, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 37 ConstructedInterpolants, 4 QuantifiedInterpolants, 476 SizeOfPredicates, 11 NumberOfNonLiveVariables, 377 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: null - ProcedureContractResult [Line: 14]: Procedure Contract for fabs_float Derived contract for procedure fabs_float. Requires: 0 Ensures: (0 && ((((((((one_atan == \old(one_atan)) && (huge_atan == \old(huge_atan))) && (pi_o_4 == \old(pi_o_4))) && (pi_o_2 == \old(pi_o_2))) && (pi == \old(pi))) && (tiny_atan2 == \old(tiny_atan2))) && (zero_atan2 == \old(zero_atan2))) && (pi_lo_atan2 == \old(pi_lo_atan2)))) - ProcedureContractResult [Line: 53]: Procedure Contract for atan_float Derived contract for procedure atan_float. Requires: 0 Ensures: (0 && ((((((((one_atan == \old(one_atan)) && (huge_atan == \old(huge_atan))) && (pi_o_4 == \old(pi_o_4))) && (pi_o_2 == \old(pi_o_2))) && (pi == \old(pi))) && (tiny_atan2 == \old(tiny_atan2))) && (zero_atan2 == \old(zero_atan2))) && (pi_lo_atan2 == \old(pi_lo_atan2)))) RESULT: Ultimate proved your program to be correct! [2024-11-08 12:37:46,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE