./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-60.i --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/hardness-nfm22/hardness_variablewrapping_normal_file-60.i -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 2ad12b13e5136dd4080ed35753718748a9f4bfc6bcbc150497e41f3a6d19b3e6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 03:05:56,912 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 03:05:56,957 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-06 03:05:56,960 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 03:05:56,960 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 03:05:56,987 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 03:05:56,989 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 03:05:56,989 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 03:05:56,990 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 03:05:56,990 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 03:05:56,991 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 03:05:56,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 03:05:56,991 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 03:05:56,991 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 03:05:56,991 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 03:05:56,991 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 03:05:56,991 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 03:05:56,992 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 03:05:56,992 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 03:05:56,992 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 03:05:56,992 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 03:05:56,993 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 03:05:56,993 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 03:05:56,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 03:05:56,993 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 03:05:56,993 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 03:05:56,993 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 03:05:56,993 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 03:05:56,993 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 03:05:56,993 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 03:05:56,993 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 03:05:56,993 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 03:05:56,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 03:05:56,993 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 03:05:56,993 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 03:05:56,993 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 03:05:56,993 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 03:05:56,993 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 03:05:56,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 03:05:56,993 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 03:05:56,993 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 03:05:56,993 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 03:05:56,994 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 03:05:56,994 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 -> 2ad12b13e5136dd4080ed35753718748a9f4bfc6bcbc150497e41f3a6d19b3e6 [2025-02-06 03:05:57,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 03:05:57,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 03:05:57,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 03:05:57,262 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 03:05:57,263 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 03:05:57,264 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-60.i [2025-02-06 03:05:58,523 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7163ff439/5e8105fc88a94b14834afc7afec830dc/FLAG79f6baec2 [2025-02-06 03:05:58,755 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 03:05:58,756 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-60.i [2025-02-06 03:05:58,779 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7163ff439/5e8105fc88a94b14834afc7afec830dc/FLAG79f6baec2 [2025-02-06 03:05:58,796 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7163ff439/5e8105fc88a94b14834afc7afec830dc [2025-02-06 03:05:58,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 03:05:58,802 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 03:05:58,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 03:05:58,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 03:05:58,807 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 03:05:58,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 03:05:58" (1/1) ... [2025-02-06 03:05:58,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b0a8f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:05:58, skipping insertion in model container [2025-02-06 03:05:58,808 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 03:05:58" (1/1) ... [2025-02-06 03:05:58,825 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 03:05:58,933 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/hardness-nfm22/hardness_variablewrapping_normal_file-60.i[913,926] [2025-02-06 03:05:58,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 03:05:58,983 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 03:05:58,992 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/hardness-nfm22/hardness_variablewrapping_normal_file-60.i[913,926] [2025-02-06 03:05:59,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 03:05:59,027 INFO L204 MainTranslator]: Completed translation [2025-02-06 03:05:59,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:05:59 WrapperNode [2025-02-06 03:05:59,028 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 03:05:59,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 03:05:59,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 03:05:59,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 03:05:59,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:05:59" (1/1) ... [2025-02-06 03:05:59,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:05:59" (1/1) ... [2025-02-06 03:05:59,059 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2025-02-06 03:05:59,064 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 03:05:59,064 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 03:05:59,064 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 03:05:59,064 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 03:05:59,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:05:59" (1/1) ... [2025-02-06 03:05:59,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:05:59" (1/1) ... [2025-02-06 03:05:59,074 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:05:59" (1/1) ... [2025-02-06 03:05:59,090 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-06 03:05:59,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:05:59" (1/1) ... [2025-02-06 03:05:59,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:05:59" (1/1) ... [2025-02-06 03:05:59,096 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:05:59" (1/1) ... [2025-02-06 03:05:59,097 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:05:59" (1/1) ... [2025-02-06 03:05:59,098 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:05:59" (1/1) ... [2025-02-06 03:05:59,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:05:59" (1/1) ... [2025-02-06 03:05:59,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 03:05:59,104 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 03:05:59,104 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 03:05:59,104 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 03:05:59,105 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:05:59" (1/1) ... [2025-02-06 03:05:59,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 03:05:59,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 03:05:59,135 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) [2025-02-06 03:05:59,147 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 [2025-02-06 03:05:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 03:05:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 03:05:59,161 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 03:05:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 03:05:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 03:05:59,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 03:05:59,212 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 03:05:59,213 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 03:05:59,365 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-02-06 03:05:59,366 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 03:05:59,372 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 03:05:59,373 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 03:05:59,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:05:59 BoogieIcfgContainer [2025-02-06 03:05:59,373 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 03:05:59,375 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 03:05:59,375 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 03:05:59,378 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 03:05:59,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 03:05:58" (1/3) ... [2025-02-06 03:05:59,379 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41a13831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 03:05:59, skipping insertion in model container [2025-02-06 03:05:59,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:05:59" (2/3) ... [2025-02-06 03:05:59,379 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41a13831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 03:05:59, skipping insertion in model container [2025-02-06 03:05:59,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:05:59" (3/3) ... [2025-02-06 03:05:59,380 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-60.i [2025-02-06 03:05:59,390 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 03:05:59,391 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-60.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 03:05:59,431 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 03:05:59,441 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;@61046127, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 03:05:59,442 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 03:05:59,444 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-06 03:05:59,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-02-06 03:05:59,452 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 03:05:59,453 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 03:05:59,453 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 03:05:59,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 03:05:59,457 INFO L85 PathProgramCache]: Analyzing trace with hash 370656305, now seen corresponding path program 1 times [2025-02-06 03:05:59,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 03:05:59,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442808593] [2025-02-06 03:05:59,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 03:05:59,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 03:05:59,543 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-02-06 03:05:59,564 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-02-06 03:05:59,564 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 03:05:59,564 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 03:05:59,648 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-02-06 03:05:59,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 03:05:59,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442808593] [2025-02-06 03:05:59,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442808593] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 03:05:59,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005862480] [2025-02-06 03:05:59,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 03:05:59,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 03:05:59,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 03:05:59,655 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 03:05:59,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 03:05:59,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-02-06 03:05:59,760 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-02-06 03:05:59,760 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 03:05:59,760 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 03:05:59,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 03:05:59,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 03:05:59,780 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-02-06 03:05:59,781 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 03:05:59,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005862480] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 03:05:59,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 03:05:59,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 03:05:59,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672851895] [2025-02-06 03:05:59,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 03:05:59,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 03:05:59,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 03:05:59,799 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 03:05:59,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 03:05:59,802 INFO L87 Difference]: Start difference. First operand has 53 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2025-02-06 03:05:59,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 03:05:59,822 INFO L93 Difference]: Finished difference Result 100 states and 162 transitions. [2025-02-06 03:05:59,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 03:05:59,824 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 100 [2025-02-06 03:05:59,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 03:05:59,828 INFO L225 Difference]: With dead ends: 100 [2025-02-06 03:05:59,829 INFO L226 Difference]: Without dead ends: 50 [2025-02-06 03:05:59,831 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 03:05:59,833 INFO L435 NwaCegarLoop]: 71 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, 71 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 [2025-02-06 03:05:59,833 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 03:05:59,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2025-02-06 03:05:59,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2025-02-06 03:05:59,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-06 03:05:59,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2025-02-06 03:05:59,858 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 100 [2025-02-06 03:05:59,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 03:05:59,858 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2025-02-06 03:05:59,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2025-02-06 03:05:59,859 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2025-02-06 03:05:59,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-02-06 03:05:59,861 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 03:05:59,861 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 03:05:59,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-06 03:06:00,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 03:06:00,062 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 03:06:00,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 03:06:00,063 INFO L85 PathProgramCache]: Analyzing trace with hash -968475912, now seen corresponding path program 1 times [2025-02-06 03:06:00,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 03:06:00,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615364215] [2025-02-06 03:06:00,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 03:06:00,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 03:06:00,089 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-02-06 03:06:00,175 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-02-06 03:06:00,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 03:06:00,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 03:06:00,175 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 03:06:00,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-02-06 03:06:00,230 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-02-06 03:06:00,231 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 03:06:00,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 03:06:00,255 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 03:06:00,255 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 03:06:00,256 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-06 03:06:00,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 03:06:00,260 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-06 03:06:00,313 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 03:06:00,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 03:06:00 BoogieIcfgContainer [2025-02-06 03:06:00,316 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 03:06:00,317 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 03:06:00,317 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 03:06:00,317 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 03:06:00,319 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:05:59" (3/4) ... [2025-02-06 03:06:00,320 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 03:06:00,321 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 03:06:00,322 INFO L158 Benchmark]: Toolchain (without parser) took 1522.11ms. Allocated memory is still 167.8MB. Free memory was 124.5MB in the beginning and 37.4MB in the end (delta: 87.1MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2025-02-06 03:06:00,322 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 03:06:00,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.89ms. Allocated memory is still 167.8MB. Free memory was 124.5MB in the beginning and 112.2MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 03:06:00,322 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.05ms. Allocated memory is still 167.8MB. Free memory was 112.2MB in the beginning and 110.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 03:06:00,322 INFO L158 Benchmark]: Boogie Preprocessor took 39.17ms. Allocated memory is still 167.8MB. Free memory was 110.1MB in the beginning and 108.7MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 03:06:00,323 INFO L158 Benchmark]: IcfgBuilder took 269.14ms. Allocated memory is still 167.8MB. Free memory was 108.7MB in the beginning and 92.7MB in the end (delta: 16.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 03:06:00,323 INFO L158 Benchmark]: TraceAbstraction took 941.82ms. Allocated memory is still 167.8MB. Free memory was 92.0MB in the beginning and 37.4MB in the end (delta: 54.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-02-06 03:06:00,323 INFO L158 Benchmark]: Witness Printer took 4.12ms. Allocated memory is still 167.8MB. Free memory is still 37.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 03:06:00,324 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 201.3MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.89ms. Allocated memory is still 167.8MB. Free memory was 124.5MB in the beginning and 112.2MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.05ms. Allocated memory is still 167.8MB. Free memory was 112.2MB in the beginning and 110.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.17ms. Allocated memory is still 167.8MB. Free memory was 110.1MB in the beginning and 108.7MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 269.14ms. Allocated memory is still 167.8MB. Free memory was 108.7MB in the beginning and 92.7MB in the end (delta: 16.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 941.82ms. Allocated memory is still 167.8MB. Free memory was 92.0MB in the beginning and 37.4MB in the end (delta: 54.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 4.12ms. Allocated memory is still 167.8MB. Free memory is still 37.4MB. 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: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 42, overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 85, overapproximation of someBinaryFLOATComparisonOperation at line 89, overapproximation of someBinaryFLOATComparisonOperation at line 87, overapproximation of someBinaryFLOATComparisonOperation at line 99, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 57, overapproximation of someBinaryDOUBLEComparisonOperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 99, overapproximation of someBinaryArithmeticFLOAToperation at line 54. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 9999.6; [L23] double var_1_2 = 64.25; [L24] double var_1_3 = 31.2; [L25] signed long int var_1_4 = 1; [L26] unsigned char var_1_5 = 2; [L27] signed long int var_1_6 = 10; [L28] float var_1_7 = 5.8; [L29] unsigned char var_1_8 = 1; [L30] unsigned char var_1_9 = 1; [L31] float var_1_10 = 64.8; [L32] float var_1_11 = 32.902; [L33] float var_1_12 = 10.5; [L34] float var_1_13 = 4.4; [L35] float var_1_14 = 999.375; [L36] double var_1_15 = 2.5; [L37] float var_1_16 = 8.6; [L38] float last_1_var_1_16 = 8.6; VAL [isInitial=0, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_2=257/4, var_1_3=156/5, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L103] isInitial = 1 [L104] FCALL initially() [L105] COND TRUE 1 [L106] CALL updateLastVariables() [L96] last_1_var_1_16 = var_1_16 VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_2=257/4, var_1_3=156/5, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L106] RET updateLastVariables() [L107] CALL updateVariables() [L68] var_1_2 = __VERIFIER_nondet_double() [L69] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854765600e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_3=156/5, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_3=156/5, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L69] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854765600e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_3=156/5, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L70] var_1_3 = __VERIFIER_nondet_double() [L71] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L71] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L72] var_1_5 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L73] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L74] CALL assume_abort_if_not(var_1_5 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L74] RET assume_abort_if_not(var_1_5 <= 255) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=10, var_1_7=29/5, var_1_8=1, var_1_9=1] [L75] var_1_6 = __VERIFIER_nondet_long() [L76] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=1] [L76] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=1] [L77] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=1] [L77] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=1] [L78] var_1_8 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_9=1] [L79] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_9=1] [L80] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=1] [L80] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=1] [L81] var_1_9 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1] [L82] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1] [L83] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L83] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_10=324/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L84] var_1_10 = __VERIFIER_nondet_float() [L85] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L85] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_11=16451/500, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L86] var_1_11 = __VERIFIER_nondet_float() [L87] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L87] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_12=21/2, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L88] var_1_12 = __VERIFIER_nondet_float() [L89] CALL assume_abort_if_not((var_1_12 >= -230584.3009213691390e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 2305843.009213691390e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L89] RET assume_abort_if_not((var_1_12 >= -230584.3009213691390e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 2305843.009213691390e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_13=22/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L90] var_1_13 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_13 >= -115292.1504606845700e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 1152921.504606845700e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L91] RET assume_abort_if_not((var_1_13 >= -115292.1504606845700e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 1152921.504606845700e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_14=7995/8, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L92] var_1_14 = __VERIFIER_nondet_float() [L93] CALL assume_abort_if_not((var_1_14 >= -115292.1504606845700e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 1152921.504606845700e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=43/5, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L93] RET assume_abort_if_not((var_1_14 >= -115292.1504606845700e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 1152921.504606845700e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_15=5/2, var_1_16=43/5, var_1_1=49998/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L107] RET updateVariables() [L108] CALL step() [L42] var_1_1 = (var_1_2 - var_1_3) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_15=5/2, var_1_16=43/5, var_1_4=1, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L43] COND FALSE !((- var_1_5) >= var_1_6) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_15=5/2, var_1_16=43/5, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L52] unsigned char stepLocal_0 = var_1_9; VAL [isInitial=1, last_1_var_1_16=43/5, stepLocal_0=-255, var_1_15=5/2, var_1_16=43/5, var_1_4=1, var_1_5=4, var_1_6=5, var_1_7=29/5, var_1_8=1, var_1_9=-255] [L53] COND TRUE var_1_8 && stepLocal_0 [L54] var_1_7 = ((var_1_10 - var_1_11) + (var_1_12 + (var_1_13 + var_1_14))) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_15=5/2, var_1_16=43/5, var_1_4=1, var_1_5=4, var_1_6=5, var_1_8=1, var_1_9=-255] [L56] var_1_15 = 500.25 VAL [isInitial=1, last_1_var_1_16=43/5, var_1_15=2001/4, var_1_16=43/5, var_1_4=1, var_1_5=4, var_1_6=5, var_1_8=1, var_1_9=-255] [L57] COND FALSE !(var_1_2 > last_1_var_1_16) [L64] var_1_16 = var_1_12 VAL [isInitial=1, last_1_var_1_16=43/5, var_1_12=10004, var_1_15=2001/4, var_1_16=10004, var_1_4=1, var_1_5=4, var_1_6=5, var_1_8=1, var_1_9=-255] [L108] RET step() [L109] CALL, EXPR property() [L99-L100] return ((((var_1_1 == ((double) (var_1_2 - var_1_3))) && (((- var_1_5) >= var_1_6) ? ((var_1_6 > var_1_5) ? ((var_1_3 == var_1_1) ? (var_1_4 == ((signed long int) (256 - (var_1_5 + 5)))) : (var_1_4 == ((signed long int) var_1_5))) : 1) : 1)) && ((var_1_8 && var_1_9) ? (var_1_7 == ((float) ((var_1_10 - var_1_11) + (var_1_12 + (var_1_13 + var_1_14))))) : 1)) && (var_1_15 == ((double) 500.25))) && ((var_1_2 > last_1_var_1_16) ? (var_1_9 ? ((var_1_3 <= ((((last_1_var_1_16) < (var_1_11)) ? (last_1_var_1_16) : (var_1_11)))) ? (var_1_16 == ((float) (var_1_14 + var_1_11))) : 1) : 1) : (var_1_16 == ((float) var_1_12))) ; VAL [\result=0, isInitial=1, last_1_var_1_16=43/5, var_1_12=10004, var_1_15=2001/4, var_1_16=10004, var_1_4=1, var_1_5=4, var_1_6=5, var_1_8=1, var_1_9=-255] [L109] RET, EXPR property() [L109] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_16=43/5, var_1_12=10004, var_1_15=2001/4, var_1_16=10004, var_1_4=1, var_1_5=4, var_1_6=5, var_1_8=1, var_1_9=-255] [L19] reach_error() VAL [isInitial=1, last_1_var_1_16=43/5, var_1_12=10004, var_1_15=2001/4, var_1_16=10004, var_1_4=1, var_1_5=4, var_1_6=5, var_1_8=1, var_1_9=-255] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 71 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 71 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 300 NumberOfCodeBlocks, 300 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 198 SizeOfPredicates, 0 NumberOfNonLiveVariables, 233 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 812/840 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 [2025-02-06 03:06:00,345 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 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/hardness-nfm22/hardness_variablewrapping_normal_file-60.i -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 2ad12b13e5136dd4080ed35753718748a9f4bfc6bcbc150497e41f3a6d19b3e6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 03:06:02,331 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 03:06:02,423 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-06 03:06:02,430 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 03:06:02,430 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 03:06:02,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 03:06:02,447 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 03:06:02,447 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 03:06:02,448 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 03:06:02,448 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 03:06:02,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 03:06:02,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 03:06:02,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 03:06:02,448 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 03:06:02,448 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 03:06:02,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 03:06:02,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 03:06:02,449 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 03:06:02,449 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 03:06:02,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 03:06:02,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 03:06:02,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 03:06:02,449 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 03:06:02,449 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 03:06:02,449 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-06 03:06:02,449 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-06 03:06:02,449 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 03:06:02,450 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 03:06:02,450 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 03:06:02,450 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 03:06:02,450 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 03:06:02,450 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 03:06:02,450 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 03:06:02,450 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 03:06:02,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 03:06:02,450 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 03:06:02,450 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 03:06:02,451 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 03:06:02,451 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 03:06:02,451 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-06 03:06:02,451 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-06 03:06:02,451 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 03:06:02,451 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 03:06:02,451 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 03:06:02,451 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 03:06:02,451 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 -> 2ad12b13e5136dd4080ed35753718748a9f4bfc6bcbc150497e41f3a6d19b3e6 [2025-02-06 03:06:02,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 03:06:02,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 03:06:02,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 03:06:02,711 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 03:06:02,711 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 03:06:02,712 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-60.i [2025-02-06 03:06:03,944 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f8934a591/e24fa2d03958484e802d955220d81e31/FLAG1b6515b1b [2025-02-06 03:06:04,101 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 03:06:04,101 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-60.i [2025-02-06 03:06:04,108 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f8934a591/e24fa2d03958484e802d955220d81e31/FLAG1b6515b1b [2025-02-06 03:06:04,120 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f8934a591/e24fa2d03958484e802d955220d81e31 [2025-02-06 03:06:04,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 03:06:04,124 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 03:06:04,125 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 03:06:04,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 03:06:04,128 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 03:06:04,129 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 03:06:04" (1/1) ... [2025-02-06 03:06:04,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ca4bb08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:06:04, skipping insertion in model container [2025-02-06 03:06:04,130 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 03:06:04" (1/1) ... [2025-02-06 03:06:04,143 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 03:06:04,241 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/hardness-nfm22/hardness_variablewrapping_normal_file-60.i[913,926] [2025-02-06 03:06:04,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 03:06:04,295 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 03:06:04,303 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/hardness-nfm22/hardness_variablewrapping_normal_file-60.i[913,926] [2025-02-06 03:06:04,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 03:06:04,338 INFO L204 MainTranslator]: Completed translation [2025-02-06 03:06:04,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:06:04 WrapperNode [2025-02-06 03:06:04,340 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 03:06:04,341 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 03:06:04,341 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 03:06:04,341 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 03:06:04,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:06:04" (1/1) ... [2025-02-06 03:06:04,355 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:06:04" (1/1) ... [2025-02-06 03:06:04,371 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2025-02-06 03:06:04,371 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 03:06:04,372 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 03:06:04,372 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 03:06:04,372 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 03:06:04,379 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:06:04" (1/1) ... [2025-02-06 03:06:04,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:06:04" (1/1) ... [2025-02-06 03:06:04,382 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:06:04" (1/1) ... [2025-02-06 03:06:04,392 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-06 03:06:04,392 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:06:04" (1/1) ... [2025-02-06 03:06:04,392 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:06:04" (1/1) ... [2025-02-06 03:06:04,399 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:06:04" (1/1) ... [2025-02-06 03:06:04,399 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:06:04" (1/1) ... [2025-02-06 03:06:04,400 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:06:04" (1/1) ... [2025-02-06 03:06:04,401 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:06:04" (1/1) ... [2025-02-06 03:06:04,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 03:06:04,403 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 03:06:04,403 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 03:06:04,403 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 03:06:04,404 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:06:04" (1/1) ... [2025-02-06 03:06:04,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 03:06:04,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 03:06:04,428 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) [2025-02-06 03:06:04,435 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 [2025-02-06 03:06:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 03:06:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-06 03:06:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 03:06:04,451 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 03:06:04,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 03:06:04,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 03:06:04,516 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 03:06:04,518 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 03:06:11,806 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-02-06 03:06:11,806 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 03:06:11,812 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 03:06:11,813 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 03:06:11,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:06:11 BoogieIcfgContainer [2025-02-06 03:06:11,813 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 03:06:11,815 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 03:06:11,815 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 03:06:11,818 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 03:06:11,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 03:06:04" (1/3) ... [2025-02-06 03:06:11,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ceec55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 03:06:11, skipping insertion in model container [2025-02-06 03:06:11,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:06:04" (2/3) ... [2025-02-06 03:06:11,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ceec55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 03:06:11, skipping insertion in model container [2025-02-06 03:06:11,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:06:11" (3/3) ... [2025-02-06 03:06:11,820 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-60.i [2025-02-06 03:06:11,829 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 03:06:11,831 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-60.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 03:06:11,877 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 03:06:11,911 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;@3479b72c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 03:06:11,913 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 03:06:11,917 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-06 03:06:11,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-02-06 03:06:11,926 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 03:06:11,926 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 03:06:11,926 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 03:06:11,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 03:06:11,932 INFO L85 PathProgramCache]: Analyzing trace with hash 370656305, now seen corresponding path program 1 times [2025-02-06 03:06:11,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 03:06:11,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1301478991] [2025-02-06 03:06:11,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 03:06:11,942 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 [2025-02-06 03:06:11,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 03:06:11,950 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) [2025-02-06 03:06:11,951 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 [2025-02-06 03:06:12,017 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-02-06 03:06:12,344 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-02-06 03:06:12,344 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 03:06:12,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 03:06:12,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 03:06:12,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 03:06:12,389 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2025-02-06 03:06:12,390 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 03:06:12,390 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 03:06:12,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1301478991] [2025-02-06 03:06:12,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1301478991] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 03:06:12,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 03:06:12,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 03:06:12,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459515498] [2025-02-06 03:06:12,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 03:06:12,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 03:06:12,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 03:06:12,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 03:06:12,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 03:06:12,408 INFO L87 Difference]: Start difference. First operand has 53 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-02-06 03:06:12,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 03:06:12,423 INFO L93 Difference]: Finished difference Result 100 states and 162 transitions. [2025-02-06 03:06:12,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 03:06:12,424 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 100 [2025-02-06 03:06:12,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 03:06:12,428 INFO L225 Difference]: With dead ends: 100 [2025-02-06 03:06:12,428 INFO L226 Difference]: Without dead ends: 50 [2025-02-06 03:06:12,430 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 03:06:12,432 INFO L435 NwaCegarLoop]: 71 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, 71 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 [2025-02-06 03:06:12,433 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 03:06:12,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2025-02-06 03:06:12,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2025-02-06 03:06:12,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-06 03:06:12,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2025-02-06 03:06:12,456 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 100 [2025-02-06 03:06:12,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 03:06:12,456 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2025-02-06 03:06:12,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-02-06 03:06:12,457 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2025-02-06 03:06:12,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-02-06 03:06:12,462 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 03:06:12,462 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 03:06:12,482 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 [2025-02-06 03:06:12,664 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 [2025-02-06 03:06:12,664 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 03:06:12,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 03:06:12,665 INFO L85 PathProgramCache]: Analyzing trace with hash -968475912, now seen corresponding path program 1 times [2025-02-06 03:06:12,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 03:06:12,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [134937046] [2025-02-06 03:06:12,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 03:06:12,666 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 [2025-02-06 03:06:12,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 03:06:12,669 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) [2025-02-06 03:06:12,670 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 [2025-02-06 03:06:12,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-02-06 03:06:13,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-02-06 03:06:13,239 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 03:06:13,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 03:06:13,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-02-06 03:06:13,264 INFO L279 TraceCheckSpWp]: Computing forward predicates...