./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 c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0660b.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 0.3.0-?-c00e63d-m [2025-02-05 13:07:27,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 13:07:28,043 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 13:07:28,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 13:07:28,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 13:07:28,065 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 13:07:28,066 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 13:07:28,066 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 13:07:28,067 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 13:07:28,067 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 13:07:28,067 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 13:07:28,067 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 13:07:28,068 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 13:07:28,068 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 13:07:28,068 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 13:07:28,068 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 13:07:28,068 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 13:07:28,068 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 13:07:28,068 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 13:07:28,068 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 13:07:28,068 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 13:07:28,068 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 13:07:28,068 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 13:07:28,068 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 13:07:28,068 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 13:07:28,068 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 13:07:28,068 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 13:07:28,068 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 13:07:28,068 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 13:07:28,068 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 13:07:28,068 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 13:07:28,069 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 13:07:28,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 13:07:28,069 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 13:07:28,069 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 13:07:28,069 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 13:07:28,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 13:07:28,069 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 13:07:28,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 13:07:28,069 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 13:07:28,069 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 13:07:28,069 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 13:07:28,069 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 13:07:28,069 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/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 [2025-02-05 13:07:28,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 13:07:28,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 13:07:28,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 13:07:28,289 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 13:07:28,289 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 13:07:28,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0660b.c [2025-02-05 13:07:29,386 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9f99bb2af/c015d57cb04344dd88c3186f5ceb4635/FLAG50e7e5dd8 [2025-02-05 13:07:29,616 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 13:07:29,616 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0660b.c [2025-02-05 13:07:29,622 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9f99bb2af/c015d57cb04344dd88c3186f5ceb4635/FLAG50e7e5dd8 [2025-02-05 13:07:29,955 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9f99bb2af/c015d57cb04344dd88c3186f5ceb4635 [2025-02-05 13:07:29,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 13:07:29,957 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 13:07:29,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 13:07:29,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 13:07:29,961 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 13:07:29,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 01:07:29" (1/1) ... [2025-02-05 13:07:29,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a5c9d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:29, skipping insertion in model container [2025-02-05 13:07:29,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 01:07:29" (1/1) ... [2025-02-05 13:07:29,976 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 13:07:30,140 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0660b.c[5271,5284] [2025-02-05 13:07:30,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 13:07:30,154 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 13:07:30,196 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0660b.c[5271,5284] [2025-02-05 13:07:30,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 13:07:30,218 INFO L204 MainTranslator]: Completed translation [2025-02-05 13:07:30,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:30 WrapperNode [2025-02-05 13:07:30,219 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 13:07:30,220 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 13:07:30,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 13:07:30,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 13:07:30,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:30" (1/1) ... [2025-02-05 13:07:30,237 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:30" (1/1) ... [2025-02-05 13:07:30,263 INFO L138 Inliner]: procedures = 20, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 239 [2025-02-05 13:07:30,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 13:07:30,265 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 13:07:30,265 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 13:07:30,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 13:07:30,271 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:30" (1/1) ... [2025-02-05 13:07:30,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:30" (1/1) ... [2025-02-05 13:07:30,274 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:30" (1/1) ... [2025-02-05 13:07:30,279 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-02-05 13:07:30,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:30" (1/1) ... [2025-02-05 13:07:30,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:30" (1/1) ... [2025-02-05 13:07:30,285 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:30" (1/1) ... [2025-02-05 13:07:30,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:30" (1/1) ... [2025-02-05 13:07:30,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:30" (1/1) ... [2025-02-05 13:07:30,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:30" (1/1) ... [2025-02-05 13:07:30,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 13:07:30,291 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 13:07:30,291 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 13:07:30,291 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 13:07:30,291 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:30" (1/1) ... [2025-02-05 13:07:30,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 13:07:30,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 13:07:30,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 13:07:30,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 13:07:30,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 13:07:30,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-05 13:07:30,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2025-02-05 13:07:30,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-05 13:07:30,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2025-02-05 13:07:30,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-05 13:07:30,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2025-02-05 13:07:30,334 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2025-02-05 13:07:30,334 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2025-02-05 13:07:30,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 13:07:30,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 13:07:30,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-05 13:07:30,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2025-02-05 13:07:30,335 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2025-02-05 13:07:30,335 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2025-02-05 13:07:30,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-05 13:07:30,413 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 13:07:30,415 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 13:07:30,721 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2025-02-05 13:07:30,721 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 13:07:30,741 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 13:07:30,742 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 13:07:30,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 01:07:30 BoogieIcfgContainer [2025-02-05 13:07:30,742 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 13:07:30,744 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 13:07:30,744 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 13:07:30,749 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 13:07:30,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 01:07:29" (1/3) ... [2025-02-05 13:07:30,750 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e34eda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 01:07:30, skipping insertion in model container [2025-02-05 13:07:30,750 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:30" (2/3) ... [2025-02-05 13:07:30,751 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49e34eda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 01:07:30, skipping insertion in model container [2025-02-05 13:07:30,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 01:07:30" (3/3) ... [2025-02-05 13:07:30,752 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0660b.c [2025-02-05 13:07:30,762 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 13:07:30,763 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0660b.c that has 3 procedures, 114 locations, 1 initial locations, 14 loop locations, and 8 error locations. [2025-02-05 13:07:30,807 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 13:07:30,816 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;@5235b732, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 13:07:30,817 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-02-05 13:07:30,822 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 99 states have (on average 1.707070707070707) internal successors, (169), 107 states have internal predecessors, (169), 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) [2025-02-05 13:07:30,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-05 13:07:30,826 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 13:07:30,827 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-05 13:07:30,828 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [fabs_floatErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, fabs_floatErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2025-02-05 13:07:30,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 13:07:30,832 INFO L85 PathProgramCache]: Analyzing trace with hash 2064457853, now seen corresponding path program 1 times [2025-02-05 13:07:30,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 13:07:30,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152759192] [2025-02-05 13:07:30,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 13:07:30,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 13:07:30,903 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-05 13:07:30,951 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-05 13:07:30,953 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 13:07:30,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 13:07:30,953 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-05 13:07:30,961 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-05 13:07:30,974 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-05 13:07:30,974 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 13:07:30,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 13:07:31,000 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-05 13:07:31,001 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-05 13:07:31,002 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (7 of 8 remaining) [2025-02-05 13:07:31,003 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fabs_floatErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (6 of 8 remaining) [2025-02-05 13:07:31,003 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fabs_floatErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (5 of 8 remaining) [2025-02-05 13:07:31,003 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2025-02-05 13:07:31,003 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 8 remaining) [2025-02-05 13:07:31,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 8 remaining) [2025-02-05 13:07:31,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 8 remaining) [2025-02-05 13:07:31,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 8 remaining) [2025-02-05 13:07:31,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-05 13:07:31,007 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-05 13:07:31,026 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 13:07:31,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 01:07:31 BoogieIcfgContainer [2025-02-05 13:07:31,028 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 13:07:31,029 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 13:07:31,029 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 13:07:31,029 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 13:07:31,029 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 01:07:30" (3/4) ... [2025-02-05 13:07:31,031 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-05 13:07:31,031 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 13:07:31,032 INFO L158 Benchmark]: Toolchain (without parser) took 1074.75ms. Allocated memory is still 201.3MB. Free memory was 154.7MB in the beginning and 87.7MB in the end (delta: 67.0MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-02-05 13:07:31,032 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 201.3MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 13:07:31,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.62ms. Allocated memory is still 201.3MB. Free memory was 154.7MB in the beginning and 140.2MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-05 13:07:31,033 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.35ms. Allocated memory is still 201.3MB. Free memory was 140.2MB in the beginning and 138.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 13:07:31,033 INFO L158 Benchmark]: Boogie Preprocessor took 25.27ms. Allocated memory is still 201.3MB. Free memory was 138.4MB in the beginning and 136.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 13:07:31,033 INFO L158 Benchmark]: IcfgBuilder took 451.30ms. Allocated memory is still 201.3MB. Free memory was 136.1MB in the beginning and 110.3MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-05 13:07:31,033 INFO L158 Benchmark]: TraceAbstraction took 284.49ms. Allocated memory is still 201.3MB. Free memory was 109.5MB in the beginning and 88.0MB in the end (delta: 21.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-05 13:07:31,033 INFO L158 Benchmark]: Witness Printer took 2.63ms. Allocated memory is still 201.3MB. Free memory was 88.0MB in the beginning and 87.7MB in the end (delta: 375.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 13:07:31,034 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 201.3MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.62ms. Allocated memory is still 201.3MB. Free memory was 154.7MB in the beginning and 140.2MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.35ms. Allocated memory is still 201.3MB. Free memory was 140.2MB in the beginning and 138.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.27ms. Allocated memory is still 201.3MB. Free memory was 138.4MB in the beginning and 136.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 451.30ms. Allocated memory is still 201.3MB. Free memory was 136.1MB in the beginning and 110.3MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 284.49ms. Allocated memory is still 201.3MB. Free memory was 109.5MB in the beginning and 88.0MB in the end (delta: 21.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 2.63ms. Allocated memory is still 201.3MB. Free memory was 88.0MB in the beginning and 87.7MB in the end (delta: 375.1kB). 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: 125]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 125, overapproximation of someBinaryFLOATComparisonOperation at line 226, overapproximation of someUnaryDOUBLEoperation at line 44. 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 __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, y=0, zero_atan2=0] [L128] COND TRUE 0 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] [L125] ieee_float_shape_type gf_u; 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] - UnprovableResult [Line: 22]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 17]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - 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: Not analyzed. - UnprovableResult [Line: 204]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 199]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 131]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 58]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 114 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-02-05 13:07:31,046 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0660b.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 0.3.0-?-c00e63d-m [2025-02-05 13:07:32,812 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 13:07:32,883 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-05 13:07:32,891 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 13:07:32,894 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 13:07:32,909 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 13:07:32,909 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 13:07:32,910 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 13:07:32,910 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 13:07:32,910 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 13:07:32,910 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 13:07:32,910 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 13:07:32,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 13:07:32,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 13:07:32,910 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 13:07:32,911 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 13:07:32,911 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 13:07:32,911 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 13:07:32,911 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 13:07:32,911 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 13:07:32,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 13:07:32,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 13:07:32,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 13:07:32,911 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-05 13:07:32,911 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-05 13:07:32,911 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-05 13:07:32,912 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 13:07:32,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 13:07:32,912 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 13:07:32,912 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 13:07:32,912 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 13:07:32,912 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 13:07:32,912 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 13:07:32,912 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 13:07:32,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 13:07:32,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 13:07:32,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 13:07:32,912 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 13:07:32,913 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 13:07:32,913 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-05 13:07:32,913 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-05 13:07:32,913 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 13:07:32,913 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 13:07:32,913 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 13:07:32,913 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 13:07:32,913 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/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 [2025-02-05 13:07:33,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 13:07:33,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 13:07:33,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 13:07:33,145 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 13:07:33,145 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 13:07:33,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0660b.c [2025-02-05 13:07:34,274 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3f659dfbd/70dcba69ecb74d2db3485dce6e94f0d8/FLAGd60057752 [2025-02-05 13:07:34,466 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 13:07:34,467 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0660b.c [2025-02-05 13:07:34,475 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3f659dfbd/70dcba69ecb74d2db3485dce6e94f0d8/FLAGd60057752 [2025-02-05 13:07:34,834 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3f659dfbd/70dcba69ecb74d2db3485dce6e94f0d8 [2025-02-05 13:07:34,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 13:07:34,836 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 13:07:34,837 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 13:07:34,837 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 13:07:34,841 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 13:07:34,842 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 01:07:34" (1/1) ... [2025-02-05 13:07:34,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f07863a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:34, skipping insertion in model container [2025-02-05 13:07:34,844 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 01:07:34" (1/1) ... [2025-02-05 13:07:34,855 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 13:07:35,014 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0660b.c[5271,5284] [2025-02-05 13:07:35,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 13:07:35,036 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 13:07:35,080 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0660b.c[5271,5284] [2025-02-05 13:07:35,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 13:07:35,098 INFO L204 MainTranslator]: Completed translation [2025-02-05 13:07:35,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:35 WrapperNode [2025-02-05 13:07:35,099 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 13:07:35,100 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 13:07:35,100 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 13:07:35,100 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 13:07:35,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:35" (1/1) ... [2025-02-05 13:07:35,115 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:35" (1/1) ... [2025-02-05 13:07:35,136 INFO L138 Inliner]: procedures = 23, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 216 [2025-02-05 13:07:35,136 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 13:07:35,137 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 13:07:35,137 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 13:07:35,137 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 13:07:35,143 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:35" (1/1) ... [2025-02-05 13:07:35,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:35" (1/1) ... [2025-02-05 13:07:35,147 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:35" (1/1) ... [2025-02-05 13:07:35,169 INFO L175 MemorySlicer]: Split 53 memory accesses to 11 slices as follows [2, 2, 7, 7, 2, 23, 2, 2, 2, 2, 2]. 43 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 0, 4, 4, 0, 0, 0, 0, 0, 0, 0]. The 19 writes are split as follows [0, 1, 0, 0, 1, 12, 1, 1, 1, 1, 1]. [2025-02-05 13:07:35,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:35" (1/1) ... [2025-02-05 13:07:35,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:35" (1/1) ... [2025-02-05 13:07:35,183 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:35" (1/1) ... [2025-02-05 13:07:35,184 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:35" (1/1) ... [2025-02-05 13:07:35,187 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:35" (1/1) ... [2025-02-05 13:07:35,188 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:35" (1/1) ... [2025-02-05 13:07:35,193 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 13:07:35,196 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 13:07:35,196 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 13:07:35,196 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 13:07:35,197 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:35" (1/1) ... [2025-02-05 13:07:35,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 13:07:35,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 13:07:35,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 13:07:35,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 13:07:35,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 13:07:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2025-02-05 13:07:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2025-02-05 13:07:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2025-02-05 13:07:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2025-02-05 13:07:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2025-02-05 13:07:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2025-02-05 13:07:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2025-02-05 13:07:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2025-02-05 13:07:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2025-02-05 13:07:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2025-02-05 13:07:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2025-02-05 13:07:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-05 13:07:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-05 13:07:35,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-05 13:07:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-05 13:07:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-02-05 13:07:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-02-05 13:07:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-02-05 13:07:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-02-05 13:07:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2025-02-05 13:07:35,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2025-02-05 13:07:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2025-02-05 13:07:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-05 13:07:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-02-05 13:07:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-02-05 13:07:35,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-02-05 13:07:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-02-05 13:07:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-02-05 13:07:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-02-05 13:07:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-02-05 13:07:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2025-02-05 13:07:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2025-02-05 13:07:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2025-02-05 13:07:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2025-02-05 13:07:35,249 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2025-02-05 13:07:35,250 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 13:07:35,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-02-05 13:07:35,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2025-02-05 13:07:35,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2025-02-05 13:07:35,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2025-02-05 13:07:35,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2025-02-05 13:07:35,251 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2025-02-05 13:07:35,251 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2025-02-05 13:07:35,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-05 13:07:35,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-05 13:07:35,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-05 13:07:35,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-05 13:07:35,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-02-05 13:07:35,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-02-05 13:07:35,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-02-05 13:07:35,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-02-05 13:07:35,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2025-02-05 13:07:35,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2025-02-05 13:07:35,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2025-02-05 13:07:35,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-05 13:07:35,395 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 13:07:35,397 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 13:07:58,122 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2025-02-05 13:07:58,123 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 13:07:58,134 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 13:07:58,134 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 13:07:58,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 01:07:58 BoogieIcfgContainer [2025-02-05 13:07:58,135 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 13:07:58,137 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 13:07:58,137 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 13:07:58,140 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 13:07:58,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 01:07:34" (1/3) ... [2025-02-05 13:07:58,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@268df276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 01:07:58, skipping insertion in model container [2025-02-05 13:07:58,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 01:07:35" (2/3) ... [2025-02-05 13:07:58,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@268df276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 01:07:58, skipping insertion in model container [2025-02-05 13:07:58,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 01:07:58" (3/3) ... [2025-02-05 13:07:58,142 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0660b.c [2025-02-05 13:07:58,178 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 13:07:58,179 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0660b.c that has 3 procedures, 86 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2025-02-05 13:07:58,220 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 13:07:58,229 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;@779afcc4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 13:07:58,229 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 13:07:58,233 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) [2025-02-05 13:07:58,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-02-05 13:07:58,237 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 13:07:58,238 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 13:07:58,238 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 13:07:58,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 13:07:58,243 INFO L85 PathProgramCache]: Analyzing trace with hash 641793816, now seen corresponding path program 1 times [2025-02-05 13:07:58,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 13:07:58,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [397203109] [2025-02-05 13:07:58,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 13:07:58,257 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-05 13:07:58,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 13:07:58,259 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-05 13:07:58,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-02-05 13:07:58,368 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-05 13:07:59,005 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-05 13:07:59,006 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 13:07:59,006 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 13:07:59,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-05 13:07:59,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 13:07:59,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 13:07:59,051 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 13:07:59,051 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 13:07:59,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [397203109] [2025-02-05 13:07:59,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [397203109] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 13:07:59,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 13:07:59,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-05 13:07:59,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239340080] [2025-02-05 13:07:59,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 13:07:59,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-05 13:07:59,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 13:07:59,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-05 13:07:59,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 13:07:59,068 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) [2025-02-05 13:07:59,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 13:07:59,084 INFO L93 Difference]: Finished difference Result 169 states and 276 transitions. [2025-02-05 13:07:59,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-05 13:07:59,085 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 [2025-02-05 13:07:59,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 13:07:59,090 INFO L225 Difference]: With dead ends: 169 [2025-02-05 13:07:59,090 INFO L226 Difference]: Without dead ends: 82 [2025-02-05 13:07:59,092 INFO L434 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 [2025-02-05 13:07:59,094 INFO L435 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 [2025-02-05 13:07:59,094 INFO L436 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] [2025-02-05 13:07:59,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2025-02-05 13:07:59,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2025-02-05 13:07:59,116 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) [2025-02-05 13:07:59,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 118 transitions. [2025-02-05 13:07:59,120 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 118 transitions. Word has length 11 [2025-02-05 13:07:59,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 13:07:59,121 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 118 transitions. [2025-02-05 13:07:59,121 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) [2025-02-05 13:07:59,121 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 118 transitions. [2025-02-05 13:07:59,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-05 13:07:59,121 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 13:07:59,121 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 13:07:59,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-02-05 13:07:59,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-05 13:07:59,323 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 13:07:59,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 13:07:59,323 INFO L85 PathProgramCache]: Analyzing trace with hash -499372485, now seen corresponding path program 1 times [2025-02-05 13:07:59,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 13:07:59,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [533673579] [2025-02-05 13:07:59,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 13:07:59,324 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-05 13:07:59,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 13:07:59,326 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-05 13:07:59,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-02-05 13:07:59,400 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-05 13:08:00,071 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-05 13:08:00,071 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 13:08:00,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 13:08:00,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-05 13:08:00,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 13:08:00,434 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 [2025-02-05 13:08:00,460 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 [2025-02-05 13:08:07,280 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 [2025-02-05 13:08:07,324 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 [2025-02-05 13:08:08,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 13:08:08,068 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 13:08:08,068 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 13:08:08,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [533673579] [2025-02-05 13:08:08,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [533673579] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 13:08:08,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 13:08:08,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-05 13:08:08,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613201743] [2025-02-05 13:08:08,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 13:08:08,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-05 13:08:08,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 13:08:08,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-05 13:08:08,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-02-05 13:08:08,071 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) [2025-02-05 13:08:12,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 13:08:12,049 INFO L93 Difference]: Finished difference Result 153 states and 217 transitions. [2025-02-05 13:08:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-05 13:08:12,050 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 [2025-02-05 13:08:12,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 13:08:12,051 INFO L225 Difference]: With dead ends: 153 [2025-02-05 13:08:12,051 INFO L226 Difference]: Without dead ends: 89 [2025-02-05 13:08:12,052 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2025-02-05 13:08:12,052 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 195 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s 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, 2.8s IncrementalHoareTripleChecker+Time [2025-02-05 13:08:12,052 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 462 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2025-02-05 13:08:12,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2025-02-05 13:08:12,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 75. [2025-02-05 13:08:12,060 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) [2025-02-05 13:08:12,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 100 transitions. [2025-02-05 13:08:12,061 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 100 transitions. Word has length 13 [2025-02-05 13:08:12,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 13:08:12,062 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 100 transitions. [2025-02-05 13:08:12,062 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) [2025-02-05 13:08:12,062 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 100 transitions. [2025-02-05 13:08:12,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-02-05 13:08:12,062 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 13:08:12,062 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 13:08:12,090 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2025-02-05 13:08:12,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-05 13:08:12,263 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 13:08:12,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 13:08:12,263 INFO L85 PathProgramCache]: Analyzing trace with hash -441409042, now seen corresponding path program 1 times [2025-02-05 13:08:12,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 13:08:12,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1812027493] [2025-02-05 13:08:12,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 13:08:12,264 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-05 13:08:12,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 13:08:12,265 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-05 13:08:12,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-02-05 13:08:12,344 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-05 13:08:13,019 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-05 13:08:13,019 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 13:08:13,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 13:08:13,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-05 13:08:13,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 13:08:13,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 13:08:13,821 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 13:08:13,821 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 13:08:13,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1812027493] [2025-02-05 13:08:13,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1812027493] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 13:08:13,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 13:08:13,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-05 13:08:13,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14460900] [2025-02-05 13:08:13,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 13:08:13,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-05 13:08:13,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 13:08:13,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-05 13:08:13,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-05 13:08:13,822 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) [2025-02-05 13:08:15,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 13:08:15,228 INFO L93 Difference]: Finished difference Result 151 states and 204 transitions. [2025-02-05 13:08:15,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-05 13:08:15,228 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 [2025-02-05 13:08:15,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 13:08:15,229 INFO L225 Difference]: With dead ends: 151 [2025-02-05 13:08:15,229 INFO L226 Difference]: Without dead ends: 89 [2025-02-05 13:08:15,230 INFO L434 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 [2025-02-05 13:08:15,230 INFO L435 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, 0.9s IncrementalHoareTripleChecker+Time [2025-02-05 13:08:15,230 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 310 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-05 13:08:15,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2025-02-05 13:08:15,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 75. [2025-02-05 13:08:15,235 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) [2025-02-05 13:08:15,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 98 transitions. [2025-02-05 13:08:15,236 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 98 transitions. Word has length 18 [2025-02-05 13:08:15,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 13:08:15,236 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 98 transitions. [2025-02-05 13:08:15,236 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) [2025-02-05 13:08:15,236 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 98 transitions. [2025-02-05 13:08:15,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-05 13:08:15,237 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 13:08:15,237 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 13:08:15,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2025-02-05 13:08:15,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-05 13:08:15,438 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 13:08:15,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 13:08:15,438 INFO L85 PathProgramCache]: Analyzing trace with hash 93345803, now seen corresponding path program 1 times [2025-02-05 13:08:15,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 13:08:15,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [603783487] [2025-02-05 13:08:15,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 13:08:15,438 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-05 13:08:15,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 13:08:15,441 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-05 13:08:15,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-02-05 13:08:15,506 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-05 13:08:16,175 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-05 13:08:16,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 13:08:16,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 13:08:16,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-05 13:08:16,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 13:08:18,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 13:08:18,005 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 13:08:18,005 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 13:08:18,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [603783487] [2025-02-05 13:08:18,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [603783487] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 13:08:18,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 13:08:18,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-05 13:08:18,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19765991] [2025-02-05 13:08:18,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 13:08:18,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-05 13:08:18,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 13:08:18,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-05 13:08:18,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-05 13:08:18,006 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) [2025-02-05 13:08:22,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-05 13:08:27,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-05 13:08:31,697 WARN L539 Checker$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 [] [2025-02-05 13:08:35,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-05 13:08:37,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-05 13:08:41,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-05 13:08:45,363 WARN L539 Checker$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 [] [2025-02-05 13:08:49,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-05 13:08:51,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-05 13:08:56,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-05 13:08:58,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 13:08:58,145 INFO L93 Difference]: Finished difference Result 79 states and 101 transitions. [2025-02-05 13:08:58,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-05 13:08:58,163 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 [2025-02-05 13:08:58,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 13:08:58,164 INFO L225 Difference]: With dead ends: 79 [2025-02-05 13:08:58,164 INFO L226 Difference]: Without dead ends: 75 [2025-02-05 13:08:58,164 INFO L434 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 [2025-02-05 13:08:58,164 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 84 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.7s IncrementalHoareTripleChecker+Time [2025-02-05 13:08:58,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 207 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 6 Unknown, 0 Unchecked, 39.7s Time] [2025-02-05 13:08:58,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2025-02-05 13:08:58,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2025-02-05 13:08:58,168 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) [2025-02-05 13:08:58,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 96 transitions. [2025-02-05 13:08:58,169 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 96 transitions. Word has length 19 [2025-02-05 13:08:58,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 13:08:58,169 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 96 transitions. [2025-02-05 13:08:58,169 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) [2025-02-05 13:08:58,169 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2025-02-05 13:08:58,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-02-05 13:08:58,170 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 13:08:58,170 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 13:08:58,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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)] Ended with exit code 0 [2025-02-05 13:08:58,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-05 13:08:58,371 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 13:08:58,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 13:08:58,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1396746031, now seen corresponding path program 1 times [2025-02-05 13:08:58,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 13:08:58,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [631137779] [2025-02-05 13:08:58,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 13:08:58,371 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-05 13:08:58,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 13:08:58,373 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-05 13:08:58,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-02-05 13:08:58,431 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-05 13:08:59,064 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-05 13:08:59,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 13:08:59,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 13:08:59,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-05 13:08:59,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 13:09:00,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-05 13:09:00,996 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 13:09:00,996 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 13:09:00,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [631137779] [2025-02-05 13:09:00,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [631137779] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 13:09:00,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 13:09:00,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-05 13:09:00,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601917025] [2025-02-05 13:09:00,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 13:09:00,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-05 13:09:00,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 13:09:00,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-05 13:09:00,997 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-02-05 13:09:00,997 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) [2025-02-05 13:09:02,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 13:09:02,494 INFO L93 Difference]: Finished difference Result 75 states and 96 transitions. [2025-02-05 13:09:02,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-05 13:09:02,494 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 [2025-02-05 13:09:02,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 13:09:02,494 INFO L225 Difference]: With dead ends: 75 [2025-02-05 13:09:02,494 INFO L226 Difference]: Without dead ends: 0 [2025-02-05 13:09:02,495 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2025-02-05 13:09:02,495 INFO L435 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 [2025-02-05 13:09:02,495 INFO L436 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] [2025-02-05 13:09:02,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-05 13:09:02,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-05 13:09:02,496 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) [2025-02-05 13:09:02,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-05 13:09:02,496 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2025-02-05 13:09:02,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 13:09:02,496 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-05 13:09:02,496 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) [2025-02-05 13:09:02,496 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-05 13:09:02,496 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-05 13:09:02,497 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-05 13:09:02,520 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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)] Ended with exit code 0 [2025-02-05 13:09:02,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-05 13:09:02,701 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-02-05 13:09:02,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-05 13:09:03,260 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 13:09:03,269 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-02-05 13:09:03,270 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2025-02-05 13:09:03,270 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-02-05 13:09:03,270 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2025-02-05 13:09:03,270 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-02-05 13:09:03,270 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-02-05 13:09:03,270 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-02-05 13:09:03,270 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2025-02-05 13:09:03,271 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-02-05 13:09:03,271 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-02-05 13:09:03,271 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2025-02-05 13:09:03,271 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2025-02-05 13:09:03,271 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2025-02-05 13:09:03,271 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2025-02-05 13:09:03,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 01:09:03 BoogieIcfgContainer [2025-02-05 13:09:03,271 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 13:09:03,272 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 13:09:03,272 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 13:09:03,272 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 13:09:03,273 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 01:07:58" (3/4) ... [2025-02-05 13:09:03,275 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-05 13:09:03,278 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure fabs_float [2025-02-05 13:09:03,278 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure atan_float [2025-02-05 13:09:03,286 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2025-02-05 13:09:03,287 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2025-02-05 13:09:03,287 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-05 13:09:03,287 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-05 13:09:03,366 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-05 13:09:03,367 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-05 13:09:03,367 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 13:09:03,368 INFO L158 Benchmark]: Toolchain (without parser) took 88531.95ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 49.4MB in the end (delta: 42.7MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2025-02-05 13:09:03,369 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory was 61.7MB in the beginning and 61.7MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 13:09:03,369 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.38ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 76.6MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-05 13:09:03,369 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.42ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 74.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 13:09:03,370 INFO L158 Benchmark]: Boogie Preprocessor took 58.58ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 70.4MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 13:09:03,370 INFO L158 Benchmark]: IcfgBuilder took 22939.00ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 38.8MB in the end (delta: 31.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-05 13:09:03,370 INFO L158 Benchmark]: TraceAbstraction took 65134.44ms. Allocated memory is still 117.4MB. Free memory was 38.1MB in the beginning and 57.6MB in the end (delta: -19.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 13:09:03,370 INFO L158 Benchmark]: Witness Printer took 95.89ms. Allocated memory is still 117.4MB. Free memory was 57.6MB in the beginning and 49.4MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 13:09:03,371 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory was 61.7MB in the beginning and 61.7MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.38ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 76.6MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.42ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 74.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.58ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 70.4MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 22939.00ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 38.8MB in the end (delta: 31.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 65134.44ms. Allocated memory is still 117.4MB. Free memory was 38.1MB in the beginning and 57.6MB in the end (delta: -19.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 95.89ms. Allocated memory is still 117.4MB. Free memory was 57.6MB in the beginning and 49.4MB in the end (delta: 8.2MB). 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: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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: 64.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 47.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 451 SdHoareTripleChecker+Valid, 43.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 449 mSDsluCounter, 1143 SdHoareTripleChecker+Invalid, 43.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 772 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 233 IncrementalHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 371 mSDtfsCounter, 233 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 12.3s 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 28 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 12.6s 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 196]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 16]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 198]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 57]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 14]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-02-05 13:09:03,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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