./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-0.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-0.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a27fdc0a5ee447a7bd7066a9ecd1a856d1e55c55dd8c29be019b3d5df09d17a4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 06:00:41,778 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 06:00:41,884 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 06:00:41,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 06:00:41,891 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 06:00:41,922 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 06:00:41,925 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 06:00:41,925 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 06:00:41,926 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 06:00:41,928 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 06:00:41,928 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 06:00:41,928 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 06:00:41,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 06:00:41,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 06:00:41,931 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 06:00:41,932 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 06:00:41,932 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 06:00:41,932 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 06:00:41,933 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 06:00:41,933 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 06:00:41,933 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 06:00:41,935 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 06:00:41,936 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 06:00:41,936 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 06:00:41,936 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 06:00:41,938 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 06:00:41,938 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 06:00:41,939 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 06:00:41,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 06:00:41,939 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 06:00:41,939 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 06:00:41,940 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 06:00:41,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 06:00:41,941 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 06:00:41,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 06:00:41,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 06:00:41,942 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 06:00:41,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 06:00:41,943 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 06:00:41,943 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 06:00:41,944 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 06:00:41,944 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 06:00:41,944 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a27fdc0a5ee447a7bd7066a9ecd1a856d1e55c55dd8c29be019b3d5df09d17a4 [2024-10-24 06:00:42,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 06:00:42,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 06:00:42,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 06:00:42,256 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 06:00:42,256 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 06:00:42,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-0.i [2024-10-24 06:00:43,817 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 06:00:44,074 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 06:00:44,076 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-0.i [2024-10-24 06:00:44,092 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/167d648c9/b9ac9a30a009454094260b6451422b1e/FLAGa5effaafa [2024-10-24 06:00:44,110 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/167d648c9/b9ac9a30a009454094260b6451422b1e [2024-10-24 06:00:44,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 06:00:44,114 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 06:00:44,117 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 06:00:44,118 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 06:00:44,124 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 06:00:44,125 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:00:44" (1/1) ... [2024-10-24 06:00:44,127 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c77802b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:44, skipping insertion in model container [2024-10-24 06:00:44,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:00:44" (1/1) ... [2024-10-24 06:00:44,162 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 06:00:44,353 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-0.i[914,927] [2024-10-24 06:00:44,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 06:00:44,442 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 06:00:44,456 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-0.i[914,927] [2024-10-24 06:00:44,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 06:00:44,523 INFO L204 MainTranslator]: Completed translation [2024-10-24 06:00:44,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:44 WrapperNode [2024-10-24 06:00:44,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 06:00:44,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 06:00:44,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 06:00:44,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 06:00:44,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:44" (1/1) ... [2024-10-24 06:00:44,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:44" (1/1) ... [2024-10-24 06:00:44,589 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 149 [2024-10-24 06:00:44,590 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 06:00:44,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 06:00:44,596 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 06:00:44,596 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 06:00:44,608 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:44" (1/1) ... [2024-10-24 06:00:44,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:44" (1/1) ... [2024-10-24 06:00:44,611 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:44" (1/1) ... [2024-10-24 06:00:44,626 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 06:00:44,626 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:44" (1/1) ... [2024-10-24 06:00:44,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:44" (1/1) ... [2024-10-24 06:00:44,640 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:44" (1/1) ... [2024-10-24 06:00:44,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:44" (1/1) ... [2024-10-24 06:00:44,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:44" (1/1) ... [2024-10-24 06:00:44,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:44" (1/1) ... [2024-10-24 06:00:44,653 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 06:00:44,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 06:00:44,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 06:00:44,655 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 06:00:44,656 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:44" (1/1) ... [2024-10-24 06:00:44,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 06:00:44,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 06:00:44,698 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 06:00:44,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 06:00:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 06:00:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 06:00:44,746 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 06:00:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 06:00:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 06:00:44,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 06:00:44,831 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 06:00:44,835 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 06:00:45,196 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-24 06:00:45,197 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 06:00:45,306 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 06:00:45,307 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 06:00:45,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:00:45 BoogieIcfgContainer [2024-10-24 06:00:45,308 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 06:00:45,311 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 06:00:45,315 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 06:00:45,318 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 06:00:45,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 06:00:44" (1/3) ... [2024-10-24 06:00:45,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5994fc64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:00:45, skipping insertion in model container [2024-10-24 06:00:45,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:44" (2/3) ... [2024-10-24 06:00:45,320 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5994fc64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:00:45, skipping insertion in model container [2024-10-24 06:00:45,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:00:45" (3/3) ... [2024-10-24 06:00:45,321 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-0.i [2024-10-24 06:00:45,341 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 06:00:45,341 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 06:00:45,416 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 06:00:45,424 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;@f2fa0e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 06:00:45,426 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 06:00:45,431 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-24 06:00:45,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-24 06:00:45,446 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:00:45,446 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1, 1, 1] [2024-10-24 06:00:45,447 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:00:45,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:00:45,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1135796884, now seen corresponding path program 1 times [2024-10-24 06:00:45,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:00:45,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694383925] [2024-10-24 06:00:45,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:00:45,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:00:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:45,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:00:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:45,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:00:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:45,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:00:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:45,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:00:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:45,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:00:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:45,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:00:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:45,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:00:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:45,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 06:00:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:45,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 06:00:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:45,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 06:00:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:45,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 06:00:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:45,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 06:00:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:45,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 06:00:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:45,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 06:00:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:45,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 06:00:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:45,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 06:00:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:45,840 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-24 06:00:45,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:00:45,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694383925] [2024-10-24 06:00:45,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694383925] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:00:45,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:00:45,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 06:00:45,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990414490] [2024-10-24 06:00:45,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:00:45,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 06:00:45,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:00:45,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 06:00:45,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 06:00:45,881 INFO L87 Difference]: Start difference. First operand has 55 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-24 06:00:45,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:00:45,934 INFO L93 Difference]: Finished difference Result 107 states and 180 transitions. [2024-10-24 06:00:45,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 06:00:45,939 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 109 [2024-10-24 06:00:45,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:00:45,946 INFO L225 Difference]: With dead ends: 107 [2024-10-24 06:00:45,947 INFO L226 Difference]: Without dead ends: 53 [2024-10-24 06:00:45,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 06:00:45,955 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 06:00:45,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 06:00:45,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-10-24 06:00:45,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-10-24 06:00:45,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 35 states have internal predecessors, (46), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-24 06:00:45,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 78 transitions. [2024-10-24 06:00:45,997 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 78 transitions. Word has length 109 [2024-10-24 06:00:45,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:00:45,997 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 78 transitions. [2024-10-24 06:00:45,997 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-24 06:00:45,998 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2024-10-24 06:00:46,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-24 06:00:46,004 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:00:46,004 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1, 1, 1] [2024-10-24 06:00:46,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 06:00:46,006 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:00:46,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:00:46,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1514526860, now seen corresponding path program 1 times [2024-10-24 06:00:46,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:00:46,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687132250] [2024-10-24 06:00:46,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:00:46,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:00:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:46,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:00:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:46,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:00:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:46,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:00:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:46,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:00:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:46,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:00:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:46,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:00:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:46,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:00:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:46,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 06:00:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:46,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 06:00:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:46,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 06:00:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:46,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 06:00:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:46,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 06:00:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:46,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 06:00:46,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:46,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 06:00:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:46,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 06:00:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:46,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 06:00:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:46,710 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-24 06:00:46,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:00:46,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687132250] [2024-10-24 06:00:46,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687132250] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:00:46,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:00:46,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 06:00:46,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685967568] [2024-10-24 06:00:46,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:00:46,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 06:00:46,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:00:46,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 06:00:46,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 06:00:46,715 INFO L87 Difference]: Start difference. First operand 53 states and 78 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-10-24 06:00:46,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:00:46,955 INFO L93 Difference]: Finished difference Result 158 states and 233 transitions. [2024-10-24 06:00:46,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 06:00:46,956 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 109 [2024-10-24 06:00:46,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:00:46,958 INFO L225 Difference]: With dead ends: 158 [2024-10-24 06:00:46,960 INFO L226 Difference]: Without dead ends: 106 [2024-10-24 06:00:46,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-24 06:00:46,962 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 46 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 06:00:46,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 244 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 06:00:46,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-10-24 06:00:46,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 90. [2024-10-24 06:00:46,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 55 states have (on average 1.2545454545454546) internal successors, (69), 55 states have internal predecessors, (69), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-24 06:00:46,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 133 transitions. [2024-10-24 06:00:46,999 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 133 transitions. Word has length 109 [2024-10-24 06:00:47,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:00:47,000 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 133 transitions. [2024-10-24 06:00:47,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-10-24 06:00:47,001 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 133 transitions. [2024-10-24 06:00:47,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-24 06:00:47,007 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:00:47,007 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1, 1, 1] [2024-10-24 06:00:47,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 06:00:47,008 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:00:47,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:00:47,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1772692298, now seen corresponding path program 1 times [2024-10-24 06:00:47,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:00:47,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001074968] [2024-10-24 06:00:47,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:00:47,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:00:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:47,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:00:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:47,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:00:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:47,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:00:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:47,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:00:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:47,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:00:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:47,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:00:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:47,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:00:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:47,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-24 06:00:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:47,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-24 06:00:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:47,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 06:00:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:47,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 06:00:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:47,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 06:00:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:47,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 06:00:47,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:47,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 06:00:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:47,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 06:00:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:47,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 06:00:47,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:47,674 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-24 06:00:47,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:00:47,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001074968] [2024-10-24 06:00:47,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001074968] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:00:47,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:00:47,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 06:00:47,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635497514] [2024-10-24 06:00:47,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:00:47,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 06:00:47,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:00:47,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 06:00:47,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 06:00:47,683 INFO L87 Difference]: Start difference. First operand 90 states and 133 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-10-24 06:00:47,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:00:47,860 INFO L93 Difference]: Finished difference Result 210 states and 308 transitions. [2024-10-24 06:00:47,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 06:00:47,861 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 109 [2024-10-24 06:00:47,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:00:47,863 INFO L225 Difference]: With dead ends: 210 [2024-10-24 06:00:47,863 INFO L226 Difference]: Without dead ends: 155 [2024-10-24 06:00:47,864 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 06:00:47,868 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 81 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 06:00:47,870 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 224 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 06:00:47,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-10-24 06:00:47,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 140. [2024-10-24 06:00:47,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 88 states have (on average 1.2613636363636365) internal successors, (111), 88 states have internal predecessors, (111), 48 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-24 06:00:47,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 207 transitions. [2024-10-24 06:00:47,907 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 207 transitions. Word has length 109 [2024-10-24 06:00:47,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:00:47,908 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 207 transitions. [2024-10-24 06:00:47,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-10-24 06:00:47,908 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 207 transitions. [2024-10-24 06:00:47,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-24 06:00:47,910 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:00:47,910 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1, 1, 1] [2024-10-24 06:00:47,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 06:00:47,910 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:00:47,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:00:47,911 INFO L85 PathProgramCache]: Analyzing trace with hash 492828620, now seen corresponding path program 1 times [2024-10-24 06:00:47,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:00:47,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344902199] [2024-10-24 06:00:47,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:00:47,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:00:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 06:00:48,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 06:00:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 06:00:48,162 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 06:00:48,162 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 06:00:48,164 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 06:00:48,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 06:00:48,170 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-24 06:00:48,294 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 06:00:48,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 06:00:48 BoogieIcfgContainer [2024-10-24 06:00:48,302 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 06:00:48,303 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 06:00:48,303 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 06:00:48,303 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 06:00:48,305 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:00:45" (3/4) ... [2024-10-24 06:00:48,307 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 06:00:48,308 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 06:00:48,309 INFO L158 Benchmark]: Toolchain (without parser) took 4194.31ms. Allocated memory was 165.7MB in the beginning and 255.9MB in the end (delta: 90.2MB). Free memory was 109.2MB in the beginning and 215.7MB in the end (delta: -106.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 06:00:48,309 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 165.7MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 06:00:48,310 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.74ms. Allocated memory is still 165.7MB. Free memory was 108.8MB in the beginning and 93.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-24 06:00:48,310 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.66ms. Allocated memory is still 165.7MB. Free memory was 93.6MB in the beginning and 90.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 06:00:48,310 INFO L158 Benchmark]: Boogie Preprocessor took 58.04ms. Allocated memory is still 165.7MB. Free memory was 90.8MB in the beginning and 87.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 06:00:48,311 INFO L158 Benchmark]: RCFGBuilder took 653.58ms. Allocated memory was 165.7MB in the beginning and 255.9MB in the end (delta: 90.2MB). Free memory was 87.4MB in the beginning and 223.9MB in the end (delta: -136.5MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2024-10-24 06:00:48,311 INFO L158 Benchmark]: TraceAbstraction took 2990.99ms. Allocated memory is still 255.9MB. Free memory was 223.9MB in the beginning and 215.7MB in the end (delta: 8.2MB). Peak memory consumption was 151.1MB. Max. memory is 16.1GB. [2024-10-24 06:00:48,311 INFO L158 Benchmark]: Witness Printer took 5.57ms. Allocated memory is still 255.9MB. Free memory is still 215.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 06:00:48,317 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 165.7MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.74ms. Allocated memory is still 165.7MB. Free memory was 108.8MB in the beginning and 93.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.66ms. Allocated memory is still 165.7MB. Free memory was 93.6MB in the beginning and 90.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.04ms. Allocated memory is still 165.7MB. Free memory was 90.8MB in the beginning and 87.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 653.58ms. Allocated memory was 165.7MB in the beginning and 255.9MB in the end (delta: 90.2MB). Free memory was 87.4MB in the beginning and 223.9MB in the end (delta: -136.5MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2990.99ms. Allocated memory is still 255.9MB. Free memory was 223.9MB in the beginning and 215.7MB in the end (delta: 8.2MB). Peak memory consumption was 151.1MB. Max. memory is 16.1GB. * Witness Printer took 5.57ms. Allocated memory is still 255.9MB. Free memory is still 215.7MB. 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 someBinaryDOUBLEComparisonOperation at line 141, overapproximation of someBinaryFLOATComparisonOperation at line 141. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 0; [L23] signed long int var_1_5 = 2; [L24] signed short int var_1_6 = -10; [L25] unsigned long int var_1_7 = 1; [L26] unsigned char var_1_8 = 0; [L27] unsigned long int var_1_9 = 3470417420; [L28] unsigned char var_1_10 = 0; [L29] double var_1_12 = 25.6; [L30] double var_1_13 = 1.75; [L31] float var_1_14 = 5.4; [L32] float var_1_15 = 127.5; [L33] float var_1_16 = 3.5; [L34] signed long int var_1_17 = 64; [L35] double var_1_19 = 0.0; [L36] double var_1_20 = 15.5; [L37] unsigned char var_1_21 = 128; [L38] unsigned char var_1_22 = 0; [L39] unsigned char var_1_23 = 10; [L40] double var_1_24 = 127.5; [L41] unsigned char var_1_25 = 1; [L42] unsigned char var_1_26 = 0; [L43] signed short int var_1_27 = -32; [L44] unsigned char var_1_28 = 0; [L45] signed long int last_1_var_1_1 = 0; [L46] signed long int last_1_var_1_5 = 2; [L47] signed short int last_1_var_1_6 = -10; [L48] unsigned long int last_1_var_1_7 = 1; [L49] float last_1_var_1_14 = 5.4; [L50] signed long int last_1_var_1_17 = 64; [L145] isInitial = 1 [L146] FCALL initially() [L147] COND TRUE 1 [L148] CALL updateLastVariables() [L133] last_1_var_1_1 = var_1_1 [L134] last_1_var_1_5 = var_1_5 [L135] last_1_var_1_6 = var_1_6 [L136] last_1_var_1_7 = var_1_7 [L137] last_1_var_1_14 = var_1_14 [L138] last_1_var_1_17 = var_1_17 [L148] RET updateLastVariables() [L149] CALL updateVariables() [L105] var_1_9 = __VERIFIER_nondet_ulong() [L106] CALL assume_abort_if_not(var_1_9 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=31/2, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=31/2, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L106] RET assume_abort_if_not(var_1_9 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=31/2, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L107] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=31/2, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=31/2, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L107] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=31/2, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L108] var_1_10 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=31/2, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=31/2, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L109] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=31/2, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L110] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=31/2, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=31/2, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L110] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=31/2, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L111] var_1_12 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=31/2, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=31/2, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L112] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=31/2, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L113] CALL assume_abort_if_not(var_1_12 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=31/2, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=31/2, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L113] RET assume_abort_if_not(var_1_12 != 0.0F) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=31/2, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L114] var_1_13 = __VERIFIER_nondet_double() [L115] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=31/2, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=31/2, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L115] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=31/2, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L116] var_1_15 = __VERIFIER_nondet_float() [L117] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=31/2, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=31/2, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L117] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=31/2, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L118] var_1_16 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=31/2, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=31/2, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L119] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=31/2, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L120] var_1_20 = __VERIFIER_nondet_double() [L121] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L121] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=128, var_1_22=0, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L122] var_1_22 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=128, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=128, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L123] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=128, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L124] CALL assume_abort_if_not(var_1_22 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=128, var_1_22=254, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=128, var_1_22=254, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L124] RET assume_abort_if_not(var_1_22 <= 254) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=128, var_1_22=254, var_1_23=10, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L125] var_1_23 = __VERIFIER_nondet_uchar() [L126] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=128, var_1_22=254, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=128, var_1_22=254, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L126] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=128, var_1_22=254, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L127] CALL assume_abort_if_not(var_1_23 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=128, var_1_22=254, var_1_23=253, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=128, var_1_22=254, var_1_23=253, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L127] RET assume_abort_if_not(var_1_23 <= 254) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=128, var_1_22=254, var_1_23=253, var_1_24=255/2, var_1_25=1, var_1_26=0, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L128] var_1_26 = __VERIFIER_nondet_uchar() [L129] CALL assume_abort_if_not(var_1_26 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=128, var_1_22=254, var_1_23=253, var_1_24=255/2, var_1_25=1, var_1_26=-255, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=128, var_1_22=254, var_1_23=253, var_1_24=255/2, var_1_25=1, var_1_26=-255, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L129] RET assume_abort_if_not(var_1_26 >= 1) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=128, var_1_22=254, var_1_23=253, var_1_24=255/2, var_1_25=1, var_1_26=-255, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L130] CALL assume_abort_if_not(var_1_26 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=128, var_1_22=254, var_1_23=253, var_1_24=255/2, var_1_25=1, var_1_26=-255, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=128, var_1_22=254, var_1_23=253, var_1_24=255/2, var_1_25=1, var_1_26=-255, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L130] RET assume_abort_if_not(var_1_26 <= 1) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=128, var_1_22=254, var_1_23=253, var_1_24=255/2, var_1_25=1, var_1_26=-255, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L149] RET updateVariables() [L150] CALL step() [L54] var_1_19 = var_1_20 VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=3470417425, var_1_1=0, var_1_20=3470417425, var_1_21=128, var_1_22=254, var_1_23=253, var_1_24=255/2, var_1_25=1, var_1_26=-255, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L55] COND TRUE var_1_20 > var_1_19 [L56] var_1_21 = ((((((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))) > (var_1_23)) ? (((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))) : (var_1_23))) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=3470417425, var_1_1=0, var_1_20=3470417425, var_1_21=254, var_1_22=254, var_1_23=253, var_1_24=255/2, var_1_25=1, var_1_26=-255, var_1_27=-32, var_1_28=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L58] var_1_24 = var_1_20 [L59] var_1_25 = var_1_26 [L60] var_1_27 = var_1_22 [L61] var_1_28 = var_1_26 VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=3470417425, var_1_1=0, var_1_20=3470417425, var_1_21=254, var_1_22=254, var_1_23=253, var_1_24=3470417425, var_1_25=-255, var_1_26=-255, var_1_27=254, var_1_28=-255, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L62] COND FALSE !(last_1_var_1_7 > (- last_1_var_1_5)) [L65] var_1_1 = (((((1 - last_1_var_1_7)) < (16)) ? ((1 - last_1_var_1_7)) : (16))) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=3470417425, var_1_1=0, var_1_20=3470417425, var_1_21=254, var_1_22=254, var_1_23=253, var_1_24=3470417425, var_1_25=-255, var_1_26=-255, var_1_27=254, var_1_28=-255, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L67] COND TRUE ((last_1_var_1_14 + last_1_var_1_14) / 9.2) < ((((last_1_var_1_14) < (var_1_16)) ? (last_1_var_1_14) : (var_1_16))) [L68] var_1_17 = ((((last_1_var_1_1) > (last_1_var_1_6)) ? (last_1_var_1_1) : (last_1_var_1_6))) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=0, var_1_19=3470417425, var_1_1=0, var_1_20=3470417425, var_1_21=254, var_1_22=254, var_1_23=253, var_1_24=3470417425, var_1_25=-255, var_1_26=-255, var_1_27=254, var_1_28=-255, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L72] signed long int stepLocal_1 = - last_1_var_1_1; VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, stepLocal_1=0, var_1_10=1, var_1_14=27/5, var_1_17=0, var_1_19=3470417425, var_1_1=0, var_1_20=3470417425, var_1_21=254, var_1_22=254, var_1_23=253, var_1_24=3470417425, var_1_25=-255, var_1_26=-255, var_1_27=254, var_1_28=-255, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L73] COND FALSE !(last_1_var_1_17 < stepLocal_1) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=0, var_1_19=3470417425, var_1_1=0, var_1_20=3470417425, var_1_21=254, var_1_22=254, var_1_23=253, var_1_24=3470417425, var_1_25=-255, var_1_26=-255, var_1_27=254, var_1_28=-255, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L76] signed long int stepLocal_3 = var_1_1; [L77] signed long int stepLocal_2 = var_1_17; VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, stepLocal_2=0, stepLocal_3=0, var_1_10=1, var_1_14=27/5, var_1_17=0, var_1_19=3470417425, var_1_1=0, var_1_20=3470417425, var_1_21=254, var_1_22=254, var_1_23=253, var_1_24=3470417425, var_1_25=-255, var_1_26=-255, var_1_27=254, var_1_28=-255, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L78] COND FALSE !(var_1_17 > stepLocal_2) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, stepLocal_3=0, var_1_10=1, var_1_14=27/5, var_1_17=0, var_1_19=3470417425, var_1_1=0, var_1_20=3470417425, var_1_21=254, var_1_22=254, var_1_23=253, var_1_24=3470417425, var_1_25=-255, var_1_26=-255, var_1_27=254, var_1_28=-255, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L83] unsigned long int stepLocal_5 = var_1_9; VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, stepLocal_3=0, stepLocal_5=-18, var_1_10=1, var_1_14=27/5, var_1_17=0, var_1_19=3470417425, var_1_1=0, var_1_20=3470417425, var_1_21=254, var_1_22=254, var_1_23=253, var_1_24=3470417425, var_1_25=-255, var_1_26=-255, var_1_27=254, var_1_28=-255, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L84] COND FALSE !((var_1_12 * last_1_var_1_14) > var_1_13) [L91] var_1_14 = var_1_16 VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, stepLocal_3=0, stepLocal_5=-18, var_1_10=1, var_1_14=3470417426, var_1_16=3470417426, var_1_17=0, var_1_19=3470417425, var_1_1=0, var_1_20=3470417425, var_1_21=254, var_1_22=254, var_1_23=253, var_1_24=3470417425, var_1_25=-255, var_1_26=-255, var_1_27=254, var_1_28=-255, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L93] signed long int stepLocal_0 = var_1_17; VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, stepLocal_0=0, stepLocal_3=0, stepLocal_5=-18, var_1_10=1, var_1_14=3470417426, var_1_16=3470417426, var_1_17=0, var_1_19=3470417425, var_1_1=0, var_1_20=3470417425, var_1_21=254, var_1_22=254, var_1_23=253, var_1_24=3470417425, var_1_25=-255, var_1_26=-255, var_1_27=254, var_1_28=-255, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L94] COND TRUE var_1_6 < stepLocal_0 [L95] var_1_5 = ((var_1_17 - var_1_6) + var_1_6) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, stepLocal_3=0, stepLocal_5=-18, var_1_10=1, var_1_14=3470417426, var_1_16=3470417426, var_1_17=0, var_1_19=3470417425, var_1_1=0, var_1_20=3470417425, var_1_21=254, var_1_22=254, var_1_23=253, var_1_24=3470417425, var_1_25=-255, var_1_26=-255, var_1_27=254, var_1_28=-255, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L97] unsigned long int stepLocal_4 = var_1_9 - var_1_6; VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, stepLocal_3=0, stepLocal_4=-8, stepLocal_5=-18, var_1_10=1, var_1_14=3470417426, var_1_16=3470417426, var_1_17=0, var_1_19=3470417425, var_1_1=0, var_1_20=3470417425, var_1_21=254, var_1_22=254, var_1_23=253, var_1_24=3470417425, var_1_25=-255, var_1_26=-255, var_1_27=254, var_1_28=-255, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L98] COND TRUE (- 8u) >= stepLocal_4 [L99] var_1_8 = (! var_1_10) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, stepLocal_3=0, stepLocal_5=-18, var_1_10=1, var_1_14=3470417426, var_1_16=3470417426, var_1_17=0, var_1_19=3470417425, var_1_1=0, var_1_20=3470417425, var_1_21=254, var_1_22=254, var_1_23=253, var_1_24=3470417425, var_1_25=-255, var_1_26=-255, var_1_27=254, var_1_28=-255, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L150] RET step() [L151] CALL, EXPR property() [L141-L142] return (((((((last_1_var_1_7 > (- last_1_var_1_5)) ? (var_1_1 == ((signed long int) ((((last_1_var_1_5) > ((last_1_var_1_7 + last_1_var_1_6))) ? (last_1_var_1_5) : ((last_1_var_1_7 + last_1_var_1_6)))))) : (var_1_1 == ((signed long int) (((((1 - last_1_var_1_7)) < (16)) ? ((1 - last_1_var_1_7)) : (16)))))) && ((var_1_6 < var_1_17) ? (var_1_5 == ((signed long int) ((var_1_17 - var_1_6) + var_1_6))) : 1)) && ((last_1_var_1_17 < (- last_1_var_1_1)) ? (var_1_6 == ((signed short int) (32 - last_1_var_1_6))) : 1)) && ((var_1_17 > var_1_17) ? ((var_1_6 <= var_1_1) ? (var_1_7 == ((unsigned long int) ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) : 1) : 1)) && (((- 8u) >= (var_1_9 - var_1_6)) ? (var_1_8 == ((unsigned char) (! var_1_10))) : (var_1_8 == ((unsigned char) (((var_1_14 / var_1_12) >= var_1_14) || var_1_10))))) && (((var_1_12 * last_1_var_1_14) > var_1_13) ? ((var_1_9 < var_1_7) ? (var_1_14 == ((float) var_1_15)) : (var_1_14 == ((float) var_1_15))) : (var_1_14 == ((float) var_1_16)))) && ((((last_1_var_1_14 + last_1_var_1_14) / 9.2) < ((((last_1_var_1_14) < (var_1_16)) ? (last_1_var_1_14) : (var_1_16)))) ? (var_1_17 == ((signed long int) ((((last_1_var_1_1) > (last_1_var_1_6)) ? (last_1_var_1_1) : (last_1_var_1_6))))) : (var_1_17 == ((signed long int) last_1_var_1_6))) ; [L151] RET, EXPR property() [L151] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=3470417426, var_1_16=3470417426, var_1_17=0, var_1_19=3470417425, var_1_1=0, var_1_20=3470417425, var_1_21=254, var_1_22=254, var_1_23=253, var_1_24=3470417425, var_1_25=-255, var_1_26=-255, var_1_27=254, var_1_28=-255, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=3470417426, var_1_16=3470417426, var_1_17=0, var_1_19=3470417425, var_1_1=0, var_1_20=3470417425, var_1_21=254, var_1_22=254, var_1_23=253, var_1_24=3470417425, var_1_25=-255, var_1_26=-255, var_1_27=254, var_1_28=-255, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-18] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 4, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 127 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 127 mSDsluCounter, 543 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 316 mSDsCounter, 98 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 86 IncrementalHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 98 mSolverCounterUnsat, 227 mSDtfsCounter, 86 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 128 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=140occurred in iteration=3, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 31 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 436 NumberOfCodeBlocks, 436 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 324 ConstructedInterpolants, 0 QuantifiedInterpolants, 849 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1440/1440 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-24 06:00:48,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-0.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a27fdc0a5ee447a7bd7066a9ecd1a856d1e55c55dd8c29be019b3d5df09d17a4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 06:00:50,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 06:00:50,771 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-24 06:00:50,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 06:00:50,779 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 06:00:50,814 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 06:00:50,817 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 06:00:50,817 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 06:00:50,818 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 06:00:50,818 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 06:00:50,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 06:00:50,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 06:00:50,820 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 06:00:50,822 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 06:00:50,823 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 06:00:50,823 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 06:00:50,823 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 06:00:50,824 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 06:00:50,824 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 06:00:50,824 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 06:00:50,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 06:00:50,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 06:00:50,826 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 06:00:50,829 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 06:00:50,829 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 06:00:50,830 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 06:00:50,830 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 06:00:50,830 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 06:00:50,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 06:00:50,830 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 06:00:50,831 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 06:00:50,831 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 06:00:50,831 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 06:00:50,831 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 06:00:50,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 06:00:50,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 06:00:50,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 06:00:50,841 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 06:00:50,842 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 06:00:50,842 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 06:00:50,842 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 06:00:50,847 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 06:00:50,847 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 06:00:50,847 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 06:00:50,848 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 06:00:50,848 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a27fdc0a5ee447a7bd7066a9ecd1a856d1e55c55dd8c29be019b3d5df09d17a4 [2024-10-24 06:00:51,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 06:00:51,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 06:00:51,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 06:00:51,218 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 06:00:51,220 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 06:00:51,221 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-0.i [2024-10-24 06:00:52,927 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 06:00:53,193 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 06:00:53,197 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-0.i [2024-10-24 06:00:53,211 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9920cd38a/a60c8c75674248ef828a50a2080e92c5/FLAGe67c99fae [2024-10-24 06:00:53,519 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9920cd38a/a60c8c75674248ef828a50a2080e92c5 [2024-10-24 06:00:53,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 06:00:53,522 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 06:00:53,523 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 06:00:53,523 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 06:00:53,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 06:00:53,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:00:53" (1/1) ... [2024-10-24 06:00:53,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1070cc85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:53, skipping insertion in model container [2024-10-24 06:00:53,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:00:53" (1/1) ... [2024-10-24 06:00:53,558 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 06:00:53,749 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-0.i[914,927] [2024-10-24 06:00:53,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 06:00:53,835 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 06:00:53,850 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-0.i[914,927] [2024-10-24 06:00:53,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 06:00:53,916 INFO L204 MainTranslator]: Completed translation [2024-10-24 06:00:53,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:53 WrapperNode [2024-10-24 06:00:53,917 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 06:00:53,918 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 06:00:53,918 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 06:00:53,918 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 06:00:53,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:53" (1/1) ... [2024-10-24 06:00:53,943 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:53" (1/1) ... [2024-10-24 06:00:53,978 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 149 [2024-10-24 06:00:53,982 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 06:00:53,982 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 06:00:53,986 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 06:00:53,986 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 06:00:53,997 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:53" (1/1) ... [2024-10-24 06:00:53,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:53" (1/1) ... [2024-10-24 06:00:54,004 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:53" (1/1) ... [2024-10-24 06:00:54,019 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 06:00:54,023 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:53" (1/1) ... [2024-10-24 06:00:54,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:53" (1/1) ... [2024-10-24 06:00:54,040 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:53" (1/1) ... [2024-10-24 06:00:54,043 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:53" (1/1) ... [2024-10-24 06:00:54,049 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:53" (1/1) ... [2024-10-24 06:00:54,051 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:53" (1/1) ... [2024-10-24 06:00:54,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 06:00:54,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 06:00:54,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 06:00:54,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 06:00:54,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:53" (1/1) ... [2024-10-24 06:00:54,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 06:00:54,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 06:00:54,120 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 06:00:54,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 06:00:54,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 06:00:54,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-24 06:00:54,180 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 06:00:54,180 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 06:00:54,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 06:00:54,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 06:00:54,277 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 06:00:54,279 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 06:01:17,425 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-24 06:01:17,426 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 06:01:17,486 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 06:01:17,487 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 06:01:17,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:01:17 BoogieIcfgContainer [2024-10-24 06:01:17,488 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 06:01:17,490 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 06:01:17,492 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 06:01:17,496 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 06:01:17,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 06:00:53" (1/3) ... [2024-10-24 06:01:17,497 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c5a1d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:01:17, skipping insertion in model container [2024-10-24 06:01:17,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:53" (2/3) ... [2024-10-24 06:01:17,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c5a1d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:01:17, skipping insertion in model container [2024-10-24 06:01:17,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:01:17" (3/3) ... [2024-10-24 06:01:17,501 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-0.i [2024-10-24 06:01:17,517 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 06:01:17,517 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 06:01:17,570 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 06:01:17,577 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;@fe6173e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 06:01:17,578 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 06:01:17,583 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-24 06:01:17,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-24 06:01:17,598 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:01:17,599 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1, 1, 1] [2024-10-24 06:01:17,600 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:01:17,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:01:17,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1135796884, now seen corresponding path program 1 times [2024-10-24 06:01:17,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 06:01:17,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [868473059] [2024-10-24 06:01:17,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:01:17,625 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 06:01:17,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 06:01:17,629 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 06:01:17,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-24 06:01:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:19,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-24 06:01:19,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 06:01:19,383 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-10-24 06:01:19,383 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 06:01:19,384 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 06:01:19,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [868473059] [2024-10-24 06:01:19,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [868473059] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:01:19,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:01:19,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 06:01:19,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905544433] [2024-10-24 06:01:19,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:01:19,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 06:01:19,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 06:01:19,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 06:01:19,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 06:01:19,423 INFO L87 Difference]: Start difference. First operand has 55 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-24 06:01:24,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.83s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 06:01:24,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:01:24,396 INFO L93 Difference]: Finished difference Result 107 states and 180 transitions. [2024-10-24 06:01:24,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 06:01:24,708 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 109 [2024-10-24 06:01:24,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:01:24,714 INFO L225 Difference]: With dead ends: 107 [2024-10-24 06:01:24,715 INFO L226 Difference]: Without dead ends: 53 [2024-10-24 06:01:24,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 06:01:24,720 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-10-24 06:01:24,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-10-24 06:01:24,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-10-24 06:01:24,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-10-24 06:01:24,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 35 states have internal predecessors, (46), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-24 06:01:24,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 78 transitions. [2024-10-24 06:01:24,755 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 78 transitions. Word has length 109 [2024-10-24 06:01:24,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:01:24,756 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 78 transitions. [2024-10-24 06:01:24,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-10-24 06:01:24,756 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2024-10-24 06:01:24,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-24 06:01:24,758 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:01:24,758 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1, 1, 1] [2024-10-24 06:01:24,800 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-24 06:01:24,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 06:01:24,960 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:01:24,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:01:24,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1514526860, now seen corresponding path program 1 times [2024-10-24 06:01:24,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 06:01:24,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1655555236] [2024-10-24 06:01:24,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:01:24,962 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 06:01:24,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 06:01:24,966 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 06:01:24,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-24 06:01:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:26,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 06:01:26,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 06:01:26,814 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-24 06:01:26,814 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 06:01:26,815 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 06:01:26,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1655555236] [2024-10-24 06:01:26,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1655555236] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:01:26,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:01:26,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 06:01:26,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370221608] [2024-10-24 06:01:26,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:01:26,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 06:01:26,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 06:01:26,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 06:01:26,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 06:01:26,821 INFO L87 Difference]: Start difference. First operand 53 states and 78 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-10-24 06:01:32,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.76s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 06:01:33,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 06:01:33,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:01:33,616 INFO L93 Difference]: Finished difference Result 125 states and 183 transitions. [2024-10-24 06:01:33,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 06:01:33,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 109 [2024-10-24 06:01:33,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:01:33,620 INFO L225 Difference]: With dead ends: 125 [2024-10-24 06:01:33,620 INFO L226 Difference]: Without dead ends: 73 [2024-10-24 06:01:33,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 06:01:33,622 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 57 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-10-24 06:01:33,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 141 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2024-10-24 06:01:33,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-10-24 06:01:33,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 72. [2024-10-24 06:01:33,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 44 states have (on average 1.2272727272727273) internal successors, (54), 45 states have internal predecessors, (54), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-24 06:01:33,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 104 transitions. [2024-10-24 06:01:33,644 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 104 transitions. Word has length 109 [2024-10-24 06:01:33,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:01:33,645 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 104 transitions. [2024-10-24 06:01:33,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-10-24 06:01:33,648 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 104 transitions. [2024-10-24 06:01:33,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-24 06:01:33,649 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:01:33,649 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 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, 1, 1, 1, 1, 1, 1] [2024-10-24 06:01:33,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-10-24 06:01:33,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 06:01:33,851 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:01:33,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:01:33,851 INFO L85 PathProgramCache]: Analyzing trace with hash -73821042, now seen corresponding path program 1 times [2024-10-24 06:01:33,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 06:01:33,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [965692838] [2024-10-24 06:01:33,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:01:33,853 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-24 06:01:33,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 06:01:33,856 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-24 06:01:33,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-24 06:01:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:35,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 06:01:35,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 06:01:49,620 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-24 06:01:49,622 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 06:01:49,622 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 06:01:49,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [965692838] [2024-10-24 06:01:49,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [965692838] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:01:49,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:01:49,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 06:01:49,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153195453] [2024-10-24 06:01:49,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:01:49,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 06:01:49,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 06:01:49,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 06:01:49,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 06:01:49,625 INFO L87 Difference]: Start difference. First operand 72 states and 104 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-10-24 06:01:55,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 06:01:59,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 06:02:03,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 06:02:08,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 06:02:12,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []