./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0660b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0660b.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 987a617ddfa597b9fd514ac45c30c05d0ba2d1aba473d81a379c621ee06eaca4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-21 23:29:58,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 23:29:58,926 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-21 23:29:58,931 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 23:29:58,931 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 23:29:58,961 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 23:29:58,963 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 23:29:58,963 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 23:29:58,964 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-21 23:29:58,964 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-21 23:29:58,964 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 23:29:58,964 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 23:29:58,965 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 23:29:58,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 23:29:58,965 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 23:29:58,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 23:29:58,966 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 23:29:58,966 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 23:29:58,966 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 23:29:58,967 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 23:29:58,969 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 23:29:58,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 23:29:58,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 23:29:58,969 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 23:29:58,970 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-21 23:29:58,970 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 23:29:58,970 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 23:29:58,970 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 23:29:58,970 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 23:29:58,970 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 23:29:58,971 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 23:29:58,971 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 23:29:58,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 23:29:58,971 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 23:29:58,971 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 23:29:58,971 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 23:29:58,972 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 23:29:58,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 23:29:58,972 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 23:29:58,974 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-21 23:29:58,974 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-21 23:29:58,974 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-21 23:29:58,974 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 987a617ddfa597b9fd514ac45c30c05d0ba2d1aba473d81a379c621ee06eaca4 [2024-11-21 23:29:59,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 23:29:59,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 23:29:59,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 23:29:59,181 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 23:29:59,181 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 23:29:59,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0660b.c [2024-11-21 23:30:00,359 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-21 23:30:00,571 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 23:30:00,571 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0660b.c [2024-11-21 23:30:00,579 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2df332ce/0b717fd8e3f640c29e899e1bf649a841/FLAGacc3ce44c [2024-11-21 23:30:00,990 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2df332ce/0b717fd8e3f640c29e899e1bf649a841 [2024-11-21 23:30:00,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 23:30:00,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 23:30:00,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 23:30:00,995 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 23:30:00,998 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 23:30:00,999 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:30:00" (1/1) ... [2024-11-21 23:30:01,000 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@195382ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:00, skipping insertion in model container [2024-11-21 23:30:01,000 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:30:00" (1/1) ... [2024-11-21 23:30:01,027 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 23:30:01,202 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_0660b.c[5271,5284] [2024-11-21 23:30:01,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 23:30:01,223 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 23:30:01,255 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_0660b.c[5271,5284] [2024-11-21 23:30:01,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 23:30:01,272 INFO L204 MainTranslator]: Completed translation [2024-11-21 23:30:01,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:01 WrapperNode [2024-11-21 23:30:01,272 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 23:30:01,273 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 23:30:01,273 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 23:30:01,273 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 23:30:01,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:01" (1/1) ... [2024-11-21 23:30:01,285 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:01" (1/1) ... [2024-11-21 23:30:01,306 INFO L138 Inliner]: procedures = 20, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 235 [2024-11-21 23:30:01,306 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 23:30:01,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 23:30:01,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 23:30:01,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 23:30:01,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:01" (1/1) ... [2024-11-21 23:30:01,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:01" (1/1) ... [2024-11-21 23:30:01,322 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:01" (1/1) ... [2024-11-21 23:30:01,328 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-21 23:30:01,328 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:01" (1/1) ... [2024-11-21 23:30:01,328 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:01" (1/1) ... [2024-11-21 23:30:01,339 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:01" (1/1) ... [2024-11-21 23:30:01,348 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:01" (1/1) ... [2024-11-21 23:30:01,349 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:01" (1/1) ... [2024-11-21 23:30:01,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:01" (1/1) ... [2024-11-21 23:30:01,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 23:30:01,355 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 23:30:01,355 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 23:30:01,355 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 23:30:01,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:01" (1/1) ... [2024-11-21 23:30:01,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 23:30:01,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-21 23:30:01,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-21 23:30:01,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-21 23:30:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 23:30:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 23:30:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-21 23:30:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-21 23:30:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-21 23:30:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 23:30:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-21 23:30:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-11-21 23:30:01,416 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-11-21 23:30:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 23:30:01,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 23:30:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 23:30:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-21 23:30:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2024-11-21 23:30:01,417 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2024-11-21 23:30:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-21 23:30:01,489 INFO L238 CfgBuilder]: Building ICFG [2024-11-21 23:30:01,490 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 23:30:01,827 INFO L? ?]: Removed 66 outVars from TransFormulas that were not future-live. [2024-11-21 23:30:01,828 INFO L287 CfgBuilder]: Performing block encoding [2024-11-21 23:30:01,843 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 23:30:01,843 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-21 23:30:01,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:30:01 BoogieIcfgContainer [2024-11-21 23:30:01,843 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 23:30:01,846 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 23:30:01,847 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 23:30:01,849 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 23:30:01,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 11:30:00" (1/3) ... [2024-11-21 23:30:01,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7c2f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:30:01, skipping insertion in model container [2024-11-21 23:30:01,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:01" (2/3) ... [2024-11-21 23:30:01,851 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7c2f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:30:01, skipping insertion in model container [2024-11-21 23:30:01,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:30:01" (3/3) ... [2024-11-21 23:30:01,853 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0660b.c [2024-11-21 23:30:01,865 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 23:30:01,865 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-21 23:30:01,914 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-21 23:30:01,919 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;@6d377139, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 23:30:01,922 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-21 23:30:01,925 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) [2024-11-21 23:30:01,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-21 23:30:01,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 23:30:01,931 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 23:30:01,932 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 23:30:01,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 23:30:01,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1457392418, now seen corresponding path program 1 times [2024-11-21 23:30:01,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 23:30:01,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489626901] [2024-11-21 23:30:01,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 23:30:01,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 23:30:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 23:30:02,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 23:30:02,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 23:30:02,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489626901] [2024-11-21 23:30:02,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489626901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 23:30:02,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 23:30:02,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 23:30:02,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253825970] [2024-11-21 23:30:02,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 23:30:02,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-21 23:30:02,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 23:30:02,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-21 23:30:02,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-21 23:30:02,202 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) [2024-11-21 23:30:02,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 23:30:02,238 INFO L93 Difference]: Finished difference Result 183 states and 298 transitions. [2024-11-21 23:30:02,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 23:30:02,240 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 [2024-11-21 23:30:02,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 23:30:02,246 INFO L225 Difference]: With dead ends: 183 [2024-11-21 23:30:02,246 INFO L226 Difference]: Without dead ends: 89 [2024-11-21 23:30:02,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-21 23:30:02,254 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 [2024-11-21 23:30:02,254 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] [2024-11-21 23:30:02,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-21 23:30:02,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-21 23:30:02,283 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) [2024-11-21 23:30:02,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 129 transitions. [2024-11-21 23:30:02,288 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 129 transitions. Word has length 11 [2024-11-21 23:30:02,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 23:30:02,288 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 129 transitions. [2024-11-21 23:30:02,288 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) [2024-11-21 23:30:02,288 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 129 transitions. [2024-11-21 23:30:02,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-21 23:30:02,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 23:30:02,289 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 23:30:02,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 23:30:02,290 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 23:30:02,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 23:30:02,291 INFO L85 PathProgramCache]: Analyzing trace with hash 413186411, now seen corresponding path program 1 times [2024-11-21 23:30:02,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 23:30:02,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174154379] [2024-11-21 23:30:02,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 23:30:02,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 23:30:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 23:30:02,388 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-21 23:30:02,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 23:30:02,457 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-21 23:30:02,458 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-21 23:30:02,459 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-21 23:30:02,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-21 23:30:02,463 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-21 23:30:02,490 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-21 23:30:02,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 11:30:02 BoogieIcfgContainer [2024-11-21 23:30:02,497 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-21 23:30:02,497 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-21 23:30:02,497 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-21 23:30:02,498 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-21 23:30:02,498 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:30:01" (3/4) ... [2024-11-21 23:30:02,500 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-21 23:30:02,501 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-21 23:30:02,502 INFO L158 Benchmark]: Toolchain (without parser) took 1508.05ms. Allocated memory was 178.3MB in the beginning and 237.0MB in the end (delta: 58.7MB). Free memory was 138.8MB in the beginning and 179.1MB in the end (delta: -40.3MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2024-11-21 23:30:02,502 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 178.3MB. Free memory is still 146.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 23:30:02,502 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.64ms. Allocated memory is still 178.3MB. Free memory was 138.5MB in the beginning and 122.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-21 23:30:02,503 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.62ms. Allocated memory is still 178.3MB. Free memory was 122.4MB in the beginning and 120.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-21 23:30:02,504 INFO L158 Benchmark]: Boogie Preprocessor took 47.04ms. Allocated memory is still 178.3MB. Free memory was 120.0MB in the beginning and 117.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-21 23:30:02,504 INFO L158 Benchmark]: RCFGBuilder took 488.94ms. Allocated memory is still 178.3MB. Free memory was 116.9MB in the beginning and 90.0MB in the end (delta: 26.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-21 23:30:02,506 INFO L158 Benchmark]: TraceAbstraction took 650.75ms. Allocated memory was 178.3MB in the beginning and 237.0MB in the end (delta: 58.7MB). Free memory was 89.3MB in the beginning and 179.1MB in the end (delta: -89.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 23:30:02,506 INFO L158 Benchmark]: Witness Printer took 3.33ms. Allocated memory is still 237.0MB. Free memory is still 179.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 23:30:02,508 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 178.3MB. Free memory is still 146.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.64ms. Allocated memory is still 178.3MB. Free memory was 138.5MB in the beginning and 122.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.62ms. Allocated memory is still 178.3MB. Free memory was 122.4MB in the beginning and 120.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.04ms. Allocated memory is still 178.3MB. Free memory was 120.0MB in the beginning and 117.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 488.94ms. Allocated memory is still 178.3MB. Free memory was 116.9MB in the beginning and 90.0MB in the end (delta: 26.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 650.75ms. Allocated memory was 178.3MB in the beginning and 237.0MB in the end (delta: 58.7MB). Free memory was 89.3MB in the beginning and 179.1MB in the end (delta: -89.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.33ms. Allocated memory is still 237.0MB. Free memory is still 179.1MB. 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: 233]: 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 232, 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 = __VERIFIER_nondet_float(); [L219] float y = 0.0f; 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, y=0, zero_atan2=0] [L226] COND TRUE x < 0.0f [L229] 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=1000000000000000000000000000040, y=0, 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=1000000000000000000000000000040, y=0, 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=1000000000000000000000000000040, y=0, 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=1000000000000000000000000000040, y=0, zero_atan2=0] [L229] RET, EXPR __ieee754_atan2f(y, x) [L229] float res = __ieee754_atan2f(y, x); [L232] COND TRUE res != pi 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] [L233] 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 [2024-11-21 23:30:02,536 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/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0660b.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 987a617ddfa597b9fd514ac45c30c05d0ba2d1aba473d81a379c621ee06eaca4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-21 23:30:04,385 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 23:30:04,451 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-21 23:30:04,455 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 23:30:04,455 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 23:30:04,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 23:30:04,477 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 23:30:04,477 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 23:30:04,477 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-21 23:30:04,478 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-21 23:30:04,478 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 23:30:04,478 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 23:30:04,478 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 23:30:04,479 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 23:30:04,479 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 23:30:04,479 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 23:30:04,480 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 23:30:04,480 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 23:30:04,480 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 23:30:04,480 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 23:30:04,481 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 23:30:04,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 23:30:04,483 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 23:30:04,484 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-21 23:30:04,484 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-21 23:30:04,484 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-21 23:30:04,484 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-21 23:30:04,485 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 23:30:04,485 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 23:30:04,485 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 23:30:04,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 23:30:04,486 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 23:30:04,486 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 23:30:04,486 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 23:30:04,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 23:30:04,487 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 23:30:04,487 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 23:30:04,487 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 23:30:04,487 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-21 23:30:04,487 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-21 23:30:04,488 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 23:30:04,491 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-21 23:30:04,491 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-21 23:30:04,491 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-21 23:30:04,491 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 987a617ddfa597b9fd514ac45c30c05d0ba2d1aba473d81a379c621ee06eaca4 [2024-11-21 23:30:04,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 23:30:04,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 23:30:04,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 23:30:04,757 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 23:30:04,757 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 23:30:04,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0660b.c [2024-11-21 23:30:06,063 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-21 23:30:06,220 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 23:30:06,221 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0660b.c [2024-11-21 23:30:06,231 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e9909638/5a83dbcf8b2b4dff8df27ce0d39f7579/FLAGa3098c483 [2024-11-21 23:30:06,242 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e9909638/5a83dbcf8b2b4dff8df27ce0d39f7579 [2024-11-21 23:30:06,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 23:30:06,245 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 23:30:06,245 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 23:30:06,245 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 23:30:06,250 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 23:30:06,250 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:30:06" (1/1) ... [2024-11-21 23:30:06,252 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@272ebc2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:06, skipping insertion in model container [2024-11-21 23:30:06,252 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:30:06" (1/1) ... [2024-11-21 23:30:06,275 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 23:30:06,489 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_0660b.c[5271,5284] [2024-11-21 23:30:06,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 23:30:06,512 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 23:30:06,558 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_0660b.c[5271,5284] [2024-11-21 23:30:06,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 23:30:06,580 INFO L204 MainTranslator]: Completed translation [2024-11-21 23:30:06,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:06 WrapperNode [2024-11-21 23:30:06,580 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 23:30:06,581 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 23:30:06,581 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 23:30:06,582 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 23:30:06,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:06" (1/1) ... [2024-11-21 23:30:06,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:06" (1/1) ... [2024-11-21 23:30:06,632 INFO L138 Inliner]: procedures = 23, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 220 [2024-11-21 23:30:06,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 23:30:06,635 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 23:30:06,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 23:30:06,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 23:30:06,646 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:06" (1/1) ... [2024-11-21 23:30:06,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:06" (1/1) ... [2024-11-21 23:30:06,654 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:06" (1/1) ... [2024-11-21 23:30:06,673 INFO L175 MemorySlicer]: Split 53 memory accesses to 11 slices as follows [2, 2, 2, 7, 2, 2, 2, 7, 2, 23, 2]. 43 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 0, 0, 4, 0, 0, 0, 4, 0, 0, 0]. The 19 writes are split as follows [0, 1, 1, 0, 1, 1, 1, 0, 1, 12, 1]. [2024-11-21 23:30:06,677 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:06" (1/1) ... [2024-11-21 23:30:06,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:06" (1/1) ... [2024-11-21 23:30:06,693 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:06" (1/1) ... [2024-11-21 23:30:06,698 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:06" (1/1) ... [2024-11-21 23:30:06,701 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:06" (1/1) ... [2024-11-21 23:30:06,707 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:06" (1/1) ... [2024-11-21 23:30:06,714 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 23:30:06,715 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 23:30:06,715 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 23:30:06,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 23:30:06,718 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:06" (1/1) ... [2024-11-21 23:30:06,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 23:30:06,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-21 23:30:06,745 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-21 23:30:06,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-21 23:30:06,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 23:30:06,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-21 23:30:06,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-21 23:30:06,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-21 23:30:06,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-21 23:30:06,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-21 23:30:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-21 23:30:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-21 23:30:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-21 23:30:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-21 23:30:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-21 23:30:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-21 23:30:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-21 23:30:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-21 23:30:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-21 23:30:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-21 23:30:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-21 23:30:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-21 23:30:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-21 23:30:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-21 23:30:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-21 23:30:06,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-21 23:30:06,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-21 23:30:06,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-21 23:30:06,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-21 23:30:06,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-21 23:30:06,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-21 23:30:06,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-21 23:30:06,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-21 23:30:06,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-21 23:30:06,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-21 23:30:06,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-21 23:30:06,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-21 23:30:06,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-21 23:30:06,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-21 23:30:06,780 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-11-21 23:30:06,781 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-11-21 23:30:06,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-21 23:30:06,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-21 23:30:06,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-21 23:30:06,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-21 23:30:06,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-21 23:30:06,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-21 23:30:06,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-21 23:30:06,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-21 23:30:06,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-21 23:30:06,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-21 23:30:06,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-21 23:30:06,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-21 23:30:06,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-21 23:30:06,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2024-11-21 23:30:06,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2024-11-21 23:30:06,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2024-11-21 23:30:06,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2024-11-21 23:30:06,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2024-11-21 23:30:06,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2024-11-21 23:30:06,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2024-11-21 23:30:06,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2024-11-21 23:30:06,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2024-11-21 23:30:06,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 23:30:06,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 23:30:06,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-21 23:30:06,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-21 23:30:06,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-21 23:30:06,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-21 23:30:06,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-21 23:30:06,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-21 23:30:06,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-21 23:30:06,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-21 23:30:06,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-21 23:30:06,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-21 23:30:06,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-21 23:30:06,787 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2024-11-21 23:30:06,787 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2024-11-21 23:30:06,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-21 23:30:06,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-21 23:30:06,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-21 23:30:06,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-21 23:30:06,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-21 23:30:06,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-21 23:30:06,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-21 23:30:06,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-21 23:30:06,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-21 23:30:06,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-21 23:30:06,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-21 23:30:06,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-21 23:30:06,941 INFO L238 CfgBuilder]: Building ICFG [2024-11-21 23:30:06,943 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 23:30:30,771 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2024-11-21 23:30:30,771 INFO L287 CfgBuilder]: Performing block encoding [2024-11-21 23:30:30,781 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 23:30:30,782 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-21 23:30:30,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:30:30 BoogieIcfgContainer [2024-11-21 23:30:30,782 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 23:30:30,784 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 23:30:30,784 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 23:30:30,787 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 23:30:30,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 11:30:06" (1/3) ... [2024-11-21 23:30:30,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415b67b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:30:30, skipping insertion in model container [2024-11-21 23:30:30,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:30:06" (2/3) ... [2024-11-21 23:30:30,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415b67b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:30:30, skipping insertion in model container [2024-11-21 23:30:30,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:30:30" (3/3) ... [2024-11-21 23:30:30,789 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0660b.c [2024-11-21 23:30:30,802 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 23:30:30,802 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-21 23:30:30,861 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-21 23:30:30,867 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;@4cb06239, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 23:30:30,867 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-21 23:30:30,871 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) [2024-11-21 23:30:30,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-21 23:30:30,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 23:30:30,877 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 23:30:30,878 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 23:30:30,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 23:30:30,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1457367593, now seen corresponding path program 1 times [2024-11-21 23:30:30,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-21 23:30:30,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1122692624] [2024-11-21 23:30:30,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 23:30:30,896 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-21 23:30:30,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-21 23:30:30,898 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-21 23:30:30,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-21 23:30:31,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 23:30:31,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-21 23:30:31,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 23:30:31,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 23:30:31,718 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 23:30:31,718 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-21 23:30:31,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1122692624] [2024-11-21 23:30:31,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1122692624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 23:30:31,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 23:30:31,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 23:30:31,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39371443] [2024-11-21 23:30:31,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 23:30:31,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-21 23:30:31,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-21 23:30:31,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-21 23:30:31,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-21 23:30:31,745 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) [2024-11-21 23:30:31,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 23:30:31,769 INFO L93 Difference]: Finished difference Result 169 states and 276 transitions. [2024-11-21 23:30:31,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 23:30:31,770 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 [2024-11-21 23:30:31,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 23:30:31,776 INFO L225 Difference]: With dead ends: 169 [2024-11-21 23:30:31,776 INFO L226 Difference]: Without dead ends: 82 [2024-11-21 23:30:31,778 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 [2024-11-21 23:30:31,786 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 [2024-11-21 23:30:31,787 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] [2024-11-21 23:30:31,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-21 23:30:31,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-21 23:30:31,815 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) [2024-11-21 23:30:31,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 118 transitions. [2024-11-21 23:30:31,818 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 118 transitions. Word has length 11 [2024-11-21 23:30:31,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 23:30:31,818 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 118 transitions. [2024-11-21 23:30:31,818 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) [2024-11-21 23:30:31,818 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 118 transitions. [2024-11-21 23:30:31,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-21 23:30:31,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 23:30:31,819 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 23:30:31,845 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-21 23:30:32,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-21 23:30:32,020 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 23:30:32,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 23:30:32,020 INFO L85 PathProgramCache]: Analyzing trace with hash 413161586, now seen corresponding path program 1 times [2024-11-21 23:30:32,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-21 23:30:32,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1226636954] [2024-11-21 23:30:32,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 23:30:32,021 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-21 23:30:32,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-21 23:30:32,022 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-21 23:30:32,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-21 23:30:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 23:30:32,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-21 23:30:32,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 23:30:35,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 23:30:35,138 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 23:30:35,138 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-21 23:30:35,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1226636954] [2024-11-21 23:30:35,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1226636954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 23:30:35,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 23:30:35,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-21 23:30:35,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952447069] [2024-11-21 23:30:35,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 23:30:35,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-21 23:30:35,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-21 23:30:35,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-21 23:30:35,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-21 23:30:35,141 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) [2024-11-21 23:30:38,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.70s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-21 23:30:45,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-21 23:30:45,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 23:30:45,662 INFO L93 Difference]: Finished difference Result 153 states and 217 transitions. [2024-11-21 23:30:45,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 23:30:45,663 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 [2024-11-21 23:30:45,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 23:30:45,664 INFO L225 Difference]: With dead ends: 153 [2024-11-21 23:30:45,664 INFO L226 Difference]: Without dead ends: 89 [2024-11-21 23:30:45,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-21 23:30:45,665 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 195 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2024-11-21 23:30:45,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 462 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2024-11-21 23:30:45,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-21 23:30:45,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 75. [2024-11-21 23:30:45,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 69 states have (on average 1.3623188405797102) internal successors, (94), 69 states have internal predecessors, (94), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-21 23:30:45,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 100 transitions. [2024-11-21 23:30:45,677 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 100 transitions. Word has length 13 [2024-11-21 23:30:45,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 23:30:45,678 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 100 transitions. [2024-11-21 23:30:45,678 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) [2024-11-21 23:30:45,678 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 100 transitions. [2024-11-21 23:30:45,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-21 23:30:45,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 23:30:45,678 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 23:30:45,709 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 [2024-11-21 23:30:45,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-21 23:30:45,879 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 23:30:45,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 23:30:45,880 INFO L85 PathProgramCache]: Analyzing trace with hash -106466449, now seen corresponding path program 1 times [2024-11-21 23:30:45,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-21 23:30:45,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1896684021] [2024-11-21 23:30:45,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 23:30:45,880 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-21 23:30:45,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-21 23:30:45,881 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) [2024-11-21 23:30:45,882 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 [2024-11-21 23:30:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 23:30:46,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-21 23:30:46,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 23:30:46,728 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 [2024-11-21 23:30:46,757 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 [2024-11-21 23:30:47,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 23:30:47,458 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 23:30:47,458 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-21 23:30:47,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1896684021] [2024-11-21 23:30:47,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1896684021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 23:30:47,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 23:30:47,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-21 23:30:47,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203750414] [2024-11-21 23:30:47,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 23:30:47,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-21 23:30:47,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-21 23:30:47,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-21 23:30:47,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-21 23:30:47,460 INFO L87 Difference]: Start difference. First operand 75 states and 100 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 23:30:48,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 23:30:48,835 INFO L93 Difference]: Finished difference Result 151 states and 204 transitions. [2024-11-21 23:30:48,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 23:30:48,836 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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 18 [2024-11-21 23:30:48,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 23:30:48,837 INFO L225 Difference]: With dead ends: 151 [2024-11-21 23:30:48,837 INFO L226 Difference]: Without dead ends: 89 [2024-11-21 23:30:48,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-21 23:30:48,838 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 154 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-21 23:30:48,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 310 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-21 23:30:48,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-21 23:30:48,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 75. [2024-11-21 23:30:48,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 69 states have (on average 1.3333333333333333) internal successors, (92), 69 states have internal predecessors, (92), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-21 23:30:48,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 98 transitions. [2024-11-21 23:30:48,852 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 98 transitions. Word has length 18 [2024-11-21 23:30:48,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 23:30:48,853 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 98 transitions. [2024-11-21 23:30:48,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 23:30:48,853 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 98 transitions. [2024-11-21 23:30:48,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-21 23:30:48,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 23:30:48,854 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 23:30:48,885 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 (4)] Forceful destruction successful, exit code 0 [2024-11-21 23:30:49,054 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 [2024-11-21 23:30:49,055 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 23:30:49,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 23:30:49,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1527808728, now seen corresponding path program 1 times [2024-11-21 23:30:49,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-21 23:30:49,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1693125822] [2024-11-21 23:30:49,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 23:30:49,056 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-21 23:30:49,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-21 23:30:49,059 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-21 23:30:49,059 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 (5)] Waiting until timeout for monitored process [2024-11-21 23:30:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 23:30:49,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-21 23:30:49,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 23:30:51,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 23:30:51,603 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 23:30:51,603 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-21 23:30:51,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1693125822] [2024-11-21 23:30:51,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1693125822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 23:30:51,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 23:30:51,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-21 23:30:51,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729304251] [2024-11-21 23:30:51,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 23:30:51,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-21 23:30:51,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-21 23:30:51,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-21 23:30:51,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-21 23:30:51,604 INFO L87 Difference]: Start difference. First operand 75 states and 98 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 23:31:00,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 23:31:04,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 23:31:08,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 23:31:10,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-21 23:31:14,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 23:31:18,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 23:31:22,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 23:31:26,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-21 23:31:28,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-21 23:31:29,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-21 23:31:33,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.70s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-21 23:31:34,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 23:31:34,824 INFO L93 Difference]: Finished difference Result 79 states and 101 transitions. [2024-11-21 23:31:34,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-21 23:31:34,844 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 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 19 [2024-11-21 23:31:34,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 23:31:34,845 INFO L225 Difference]: With dead ends: 79 [2024-11-21 23:31:34,845 INFO L226 Difference]: Without dead ends: 75 [2024-11-21 23:31:34,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-21 23:31:34,846 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 84 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.8s IncrementalHoareTripleChecker+Time [2024-11-21 23:31:34,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 207 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 7 Unknown, 0 Unchecked, 42.8s Time] [2024-11-21 23:31:34,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-21 23:31:34,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-21 23:31:34,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 69 states have (on average 1.3043478260869565) internal successors, (90), 69 states have internal predecessors, (90), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-21 23:31:34,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 96 transitions. [2024-11-21 23:31:34,854 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 96 transitions. Word has length 19 [2024-11-21 23:31:34,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 23:31:34,855 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 96 transitions. [2024-11-21 23:31:34,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 23:31:34,855 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2024-11-21 23:31:34,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-21 23:31:34,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 23:31:34,855 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-21 23:31:34,891 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 (5)] Forceful destruction successful, exit code 0 [2024-11-21 23:31:35,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-21 23:31:35,056 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 23:31:35,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 23:31:35,056 INFO L85 PathProgramCache]: Analyzing trace with hash -119637528, now seen corresponding path program 1 times [2024-11-21 23:31:35,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-21 23:31:35,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1639983250] [2024-11-21 23:31:35,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 23:31:35,057 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-21 23:31:35,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-21 23:31:35,058 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-21 23:31:35,059 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 (6)] Waiting until timeout for monitored process [2024-11-21 23:31:35,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 23:31:35,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-21 23:31:35,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 23:31:36,111 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 [2024-11-21 23:31:36,139 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 [2024-11-21 23:31:37,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 23:31:37,894 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 23:31:37,894 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-21 23:31:37,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1639983250] [2024-11-21 23:31:37,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1639983250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 23:31:37,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 23:31:37,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-21 23:31:37,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949415125] [2024-11-21 23:31:37,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 23:31:37,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-21 23:31:37,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-21 23:31:37,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-21 23:31:37,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-21 23:31:37,895 INFO L87 Difference]: Start difference. First operand 75 states and 96 transitions. Second operand has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 23:31:39,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 23:31:39,532 INFO L93 Difference]: Finished difference Result 75 states and 96 transitions. [2024-11-21 23:31:39,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-21 23:31:39,532 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 states have internal predecessors, (20), 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 20 [2024-11-21 23:31:39,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 23:31:39,533 INFO L225 Difference]: With dead ends: 75 [2024-11-21 23:31:39,533 INFO L226 Difference]: Without dead ends: 0 [2024-11-21 23:31:39,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-11-21 23:31:39,534 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 16 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-21 23:31:39,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 41 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-21 23:31:39,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-21 23:31:39,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-21 23:31:39,535 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) [2024-11-21 23:31:39,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-21 23:31:39,536 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2024-11-21 23:31:39,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 23:31:39,536 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-21 23:31:39,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 23:31:39,537 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-21 23:31:39,537 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-21 23:31:39,539 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-21 23:31:39,574 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 (6)] Forceful destruction successful, exit code 0 [2024-11-21 23:31:39,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-21 23:31:39,742 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-21 23:31:39,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-21 23:31:40,798 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-21 23:31:40,813 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function fabs_float [2024-11-21 23:31:40,814 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function fabs_float [2024-11-21 23:31:40,814 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function fabs_float [2024-11-21 23:31:40,816 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function atan_float [2024-11-21 23:31:40,816 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function atan_float [2024-11-21 23:31:40,816 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function atan_float [2024-11-21 23:31:40,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 11:31:40 BoogieIcfgContainer [2024-11-21 23:31:40,817 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-21 23:31:40,818 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-21 23:31:40,818 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-21 23:31:40,818 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-21 23:31:40,819 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:30:30" (3/4) ... [2024-11-21 23:31:40,821 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-21 23:31:40,824 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2024-11-21 23:31:40,824 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2024-11-21 23:31:40,829 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2024-11-21 23:31:40,830 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-21 23:31:40,830 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-21 23:31:40,830 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-21 23:31:40,911 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-21 23:31:40,911 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-21 23:31:40,911 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-21 23:31:40,912 INFO L158 Benchmark]: Toolchain (without parser) took 94667.24ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 38.4MB in the beginning and 41.9MB in the end (delta: -3.6MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2024-11-21 23:31:40,912 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 48.2MB. Free memory was 28.7MB in the beginning and 28.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 23:31:40,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.16ms. Allocated memory is still 67.1MB. Free memory was 38.2MB in the beginning and 41.1MB in the end (delta: -2.9MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2024-11-21 23:31:40,912 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.87ms. Allocated memory is still 67.1MB. Free memory was 41.1MB in the beginning and 38.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-21 23:31:40,913 INFO L158 Benchmark]: Boogie Preprocessor took 79.89ms. Allocated memory is still 67.1MB. Free memory was 38.5MB in the beginning and 33.2MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-21 23:31:40,913 INFO L158 Benchmark]: RCFGBuilder took 24067.37ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 33.2MB in the beginning and 55.4MB in the end (delta: -22.2MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2024-11-21 23:31:40,913 INFO L158 Benchmark]: TraceAbstraction took 70033.56ms. Allocated memory is still 88.1MB. Free memory was 54.7MB in the beginning and 49.7MB in the end (delta: 5.0MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2024-11-21 23:31:40,913 INFO L158 Benchmark]: Witness Printer took 93.21ms. Allocated memory is still 88.1MB. Free memory was 49.7MB in the beginning and 41.9MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-21 23:31:40,914 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 48.2MB. Free memory was 28.7MB in the beginning and 28.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.16ms. Allocated memory is still 67.1MB. Free memory was 38.2MB in the beginning and 41.1MB in the end (delta: -2.9MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.87ms. Allocated memory is still 67.1MB. Free memory was 41.1MB in the beginning and 38.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.89ms. Allocated memory is still 67.1MB. Free memory was 38.5MB in the beginning and 33.2MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 24067.37ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 33.2MB in the beginning and 55.4MB in the end (delta: -22.2MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * TraceAbstraction took 70033.56ms. Allocated memory is still 88.1MB. Free memory was 54.7MB in the beginning and 49.7MB in the end (delta: 5.0MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * Witness Printer took 93.21ms. Allocated memory is still 88.1MB. Free memory was 49.7MB in the beginning and 41.9MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. 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: 233]: 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: 68.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 56.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 mSolverCounterUnknown, 451 SdHoareTripleChecker+Valid, 53.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 449 mSDsluCounter, 1143 SdHoareTripleChecker+Invalid, 53.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 772 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 232 IncrementalHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 371 mSDtfsCounter, 232 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=0, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 28 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 76 ConstructedInterpolants, 9 QuantifiedInterpolants, 738 SizeOfPredicates, 20 NumberOfNonLiveVariables, 666 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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! [2024-11-21 23:31:41,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE