./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_codestructure_normal_file-18.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_codestructure_normal_file-18.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 7f3019c4b5537fa24093124e20ea2bb4d93399e913f7c06778e0ac59831e99c9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 05:17:22,570 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 05:17:22,662 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 05:17:22,667 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 05:17:22,667 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 05:17:22,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 05:17:22,706 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 05:17:22,706 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 05:17:22,707 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 05:17:22,707 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 05:17:22,708 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 05:17:22,708 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 05:17:22,709 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 05:17:22,709 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 05:17:22,709 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 05:17:22,710 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 05:17:22,710 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 05:17:22,710 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 05:17:22,711 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 05:17:22,711 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 05:17:22,711 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 05:17:22,712 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 05:17:22,712 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 05:17:22,713 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 05:17:22,713 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 05:17:22,713 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 05:17:22,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 05:17:22,714 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 05:17:22,715 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 05:17:22,715 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 05:17:22,715 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 05:17:22,715 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 05:17:22,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 05:17:22,716 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 05:17:22,725 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 05:17:22,726 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 05:17:22,726 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 05:17:22,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 05:17:22,726 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 05:17:22,727 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 05:17:22,727 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 05:17:22,727 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 05:17:22,728 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f3019c4b5537fa24093124e20ea2bb4d93399e913f7c06778e0ac59831e99c9 [2024-10-24 05:17:23,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 05:17:23,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 05:17:23,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 05:17:23,048 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 05:17:23,049 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 05:17:23,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-18.i [2024-10-24 05:17:24,623 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 05:17:24,861 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 05:17:24,862 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-18.i [2024-10-24 05:17:24,872 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbe0e538b/1b703b5f0b2b49eaa99b2083a1b494ef/FLAG82b8d8269 [2024-10-24 05:17:24,886 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbe0e538b/1b703b5f0b2b49eaa99b2083a1b494ef [2024-10-24 05:17:24,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 05:17:24,890 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 05:17:24,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 05:17:24,892 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 05:17:24,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 05:17:24,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 05:17:24" (1/1) ... [2024-10-24 05:17:24,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fedfff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:24, skipping insertion in model container [2024-10-24 05:17:24,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 05:17:24" (1/1) ... [2024-10-24 05:17:24,933 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 05:17:25,115 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_codestructure_normal_file-18.i[913,926] [2024-10-24 05:17:25,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 05:17:25,179 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 05:17:25,197 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_codestructure_normal_file-18.i[913,926] [2024-10-24 05:17:25,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 05:17:25,247 INFO L204 MainTranslator]: Completed translation [2024-10-24 05:17:25,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:25 WrapperNode [2024-10-24 05:17:25,248 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 05:17:25,249 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 05:17:25,249 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 05:17:25,249 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 05:17:25,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:25" (1/1) ... [2024-10-24 05:17:25,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:25" (1/1) ... [2024-10-24 05:17:25,336 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2024-10-24 05:17:25,336 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 05:17:25,337 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 05:17:25,337 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 05:17:25,337 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 05:17:25,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:25" (1/1) ... [2024-10-24 05:17:25,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:25" (1/1) ... [2024-10-24 05:17:25,365 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:25" (1/1) ... [2024-10-24 05:17:25,394 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 05:17:25,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:25" (1/1) ... [2024-10-24 05:17:25,395 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:25" (1/1) ... [2024-10-24 05:17:25,409 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:25" (1/1) ... [2024-10-24 05:17:25,416 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:25" (1/1) ... [2024-10-24 05:17:25,422 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:25" (1/1) ... [2024-10-24 05:17:25,424 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:25" (1/1) ... [2024-10-24 05:17:25,431 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 05:17:25,432 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 05:17:25,435 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 05:17:25,435 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 05:17:25,436 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:25" (1/1) ... [2024-10-24 05:17:25,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 05:17:25,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 05:17:25,481 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 05:17:25,485 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 05:17:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 05:17:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 05:17:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 05:17:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 05:17:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 05:17:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 05:17:25,631 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 05:17:25,633 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 05:17:25,893 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-10-24 05:17:25,894 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 05:17:25,961 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 05:17:25,962 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 05:17:25,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:17:25 BoogieIcfgContainer [2024-10-24 05:17:25,962 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 05:17:25,964 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 05:17:25,965 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 05:17:25,968 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 05:17:25,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 05:17:24" (1/3) ... [2024-10-24 05:17:25,969 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4833f819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:17:25, skipping insertion in model container [2024-10-24 05:17:25,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:25" (2/3) ... [2024-10-24 05:17:25,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4833f819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:17:25, skipping insertion in model container [2024-10-24 05:17:25,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:17:25" (3/3) ... [2024-10-24 05:17:25,971 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-18.i [2024-10-24 05:17:25,989 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 05:17:25,990 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 05:17:26,055 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 05:17:26,061 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;@1338acba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 05:17:26,062 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 05:17:26,066 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 35 states have internal predecessors, (50), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-24 05:17:26,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-24 05:17:26,080 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:17:26,080 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:17:26,081 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:17:26,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:17:26,087 INFO L85 PathProgramCache]: Analyzing trace with hash 357295065, now seen corresponding path program 1 times [2024-10-24 05:17:26,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:17:26,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064678964] [2024-10-24 05:17:26,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:17:26,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:17:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:17:26,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 05:17:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:17:26,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-24 05:17:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:17:26,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 05:17:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:17:26,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 05:17:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:17:26,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-24 05:17:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:17:26,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-24 05:17:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:17:26,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 05:17:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:17:26,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 05:17:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:17:26,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 05:17:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:17:26,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 05:17:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:17:26,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 05:17:26,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:17:26,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 05:17:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:17:26,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 05:17:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:17:26,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 05:17:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:17:26,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 05:17:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:17:26,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 05:17:26,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:17:26,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 05:17:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:17:26,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-24 05:17:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:17:26,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-24 05:17:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:17:26,574 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-24 05:17:26,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 05:17:26,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064678964] [2024-10-24 05:17:26,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064678964] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:17:26,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:17:26,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 05:17:26,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928952760] [2024-10-24 05:17:26,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:17:26,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 05:17:26,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 05:17:26,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 05:17:26,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 05:17:26,617 INFO L87 Difference]: Start difference. First operand has 56 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 35 states have internal predecessors, (50), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 05:17:26,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:17:26,687 INFO L93 Difference]: Finished difference Result 109 states and 193 transitions. [2024-10-24 05:17:26,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 05:17:26,702 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 119 [2024-10-24 05:17:26,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:17:26,712 INFO L225 Difference]: With dead ends: 109 [2024-10-24 05:17:26,713 INFO L226 Difference]: Without dead ends: 54 [2024-10-24 05:17:26,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 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 05:17:26,723 INFO L432 NwaCegarLoop]: 80 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, 80 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 05:17:26,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 05:17:26,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-10-24 05:17:26,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-10-24 05:17:26,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 33 states have internal predecessors, (45), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-24 05:17:26,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 83 transitions. [2024-10-24 05:17:26,830 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 83 transitions. Word has length 119 [2024-10-24 05:17:26,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:17:26,831 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 83 transitions. [2024-10-24 05:17:26,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 05:17:26,831 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 83 transitions. [2024-10-24 05:17:26,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-24 05:17:26,839 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:17:26,839 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:17:26,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 05:17:26,840 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:17:26,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:17:26,841 INFO L85 PathProgramCache]: Analyzing trace with hash 768997711, now seen corresponding path program 1 times [2024-10-24 05:17:26,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 05:17:26,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333594232] [2024-10-24 05:17:26,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:17:26,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 05:17:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 05:17:27,026 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 05:17:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 05:17:27,183 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 05:17:27,184 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 05:17:27,187 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-24 05:17:27,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 05:17:27,194 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-24 05:17:27,291 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 05:17:27,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 05:17:27 BoogieIcfgContainer [2024-10-24 05:17:27,298 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 05:17:27,298 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 05:17:27,298 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 05:17:27,299 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 05:17:27,300 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:17:25" (3/4) ... [2024-10-24 05:17:27,303 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 05:17:27,305 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 05:17:27,306 INFO L158 Benchmark]: Toolchain (without parser) took 2415.49ms. Allocated memory is still 151.0MB. Free memory was 96.6MB in the beginning and 84.3MB in the end (delta: 12.3MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-10-24 05:17:27,307 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 88.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 05:17:27,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.97ms. Allocated memory is still 151.0MB. Free memory was 96.2MB in the beginning and 80.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-24 05:17:27,308 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.97ms. Allocated memory is still 151.0MB. Free memory was 80.9MB in the beginning and 120.5MB in the end (delta: -39.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-24 05:17:27,308 INFO L158 Benchmark]: Boogie Preprocessor took 94.20ms. Allocated memory is still 151.0MB. Free memory was 120.5MB in the beginning and 119.7MB in the end (delta: 729.9kB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2024-10-24 05:17:27,309 INFO L158 Benchmark]: RCFGBuilder took 530.67ms. Allocated memory is still 151.0MB. Free memory was 119.7MB in the beginning and 99.6MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-24 05:17:27,313 INFO L158 Benchmark]: TraceAbstraction took 1333.30ms. Allocated memory is still 151.0MB. Free memory was 98.8MB in the beginning and 85.3MB in the end (delta: 13.4MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-10-24 05:17:27,313 INFO L158 Benchmark]: Witness Printer took 6.47ms. Allocated memory is still 151.0MB. Free memory was 85.3MB in the beginning and 84.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 05:17:27,316 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 88.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.97ms. Allocated memory is still 151.0MB. Free memory was 96.2MB in the beginning and 80.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.97ms. Allocated memory is still 151.0MB. Free memory was 80.9MB in the beginning and 120.5MB in the end (delta: -39.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.20ms. Allocated memory is still 151.0MB. Free memory was 120.5MB in the beginning and 119.7MB in the end (delta: 729.9kB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * RCFGBuilder took 530.67ms. Allocated memory is still 151.0MB. Free memory was 119.7MB in the beginning and 99.6MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1333.30ms. Allocated memory is still 151.0MB. Free memory was 98.8MB in the beginning and 85.3MB in the end (delta: 13.4MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Witness Printer took 6.47ms. Allocated memory is still 151.0MB. Free memory was 85.3MB in the beginning and 84.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 someBinaryFLOATComparisonOperation at line 128, overapproximation of someBinaryArithmeticDOUBLEoperation at line 84, overapproximation of someBinaryDOUBLEComparisonOperation at line 128, overapproximation of someBinaryArithmeticFLOAToperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -1; [L23] float var_1_2 = 50.5; [L24] float var_1_3 = 32.4; [L25] float var_1_4 = 5.5; [L26] float var_1_5 = 255.475; [L27] float var_1_6 = 127.25; [L28] unsigned char var_1_7 = 0; [L29] signed char var_1_8 = -5; [L30] signed char var_1_9 = 2; [L31] unsigned char var_1_10 = 16; [L32] unsigned char var_1_11 = 16; [L33] float var_1_12 = 10000000.8; [L34] float var_1_13 = 127.7; [L35] float var_1_14 = 199.2; [L36] float var_1_15 = 999999.5; [L37] signed long int var_1_16 = -8; [L38] signed long int var_1_17 = 32; [L39] signed short int var_1_18 = -8; [L40] double var_1_19 = 5.4; [L132] isInitial = 1 [L133] FCALL initially() [L134] COND TRUE 1 [L135] FCALL updateLastVariables() [L136] CALL updateVariables() [L92] var_1_2 = __VERIFIER_nondet_float() [L93] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_3=162/5, var_1_4=11/2, var_1_5=10219/40, var_1_6=509/4, var_1_7=0, var_1_8=-5, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_3=162/5, var_1_4=11/2, var_1_5=10219/40, var_1_6=509/4, var_1_7=0, var_1_8=-5, var_1_9=2] [L93] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_3=162/5, var_1_4=11/2, var_1_5=10219/40, var_1_6=509/4, var_1_7=0, var_1_8=-5, var_1_9=2] [L94] var_1_3 = __VERIFIER_nondet_float() [L95] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=11/2, var_1_5=10219/40, var_1_6=509/4, var_1_7=0, var_1_8=-5, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=11/2, var_1_5=10219/40, var_1_6=509/4, var_1_7=0, var_1_8=-5, var_1_9=2] [L95] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=11/2, var_1_5=10219/40, var_1_6=509/4, var_1_7=0, var_1_8=-5, var_1_9=2] [L96] CALL assume_abort_if_not(var_1_3 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=11/2, var_1_5=10219/40, var_1_6=509/4, var_1_7=0, var_1_8=-5, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=11/2, var_1_5=10219/40, var_1_6=509/4, var_1_7=0, var_1_8=-5, var_1_9=2] [L96] RET assume_abort_if_not(var_1_3 != 0.0F) VAL [isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=11/2, var_1_5=10219/40, var_1_6=509/4, var_1_7=0, var_1_8=-5, var_1_9=2] [L97] var_1_4 = __VERIFIER_nondet_float() [L98] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_5=10219/40, var_1_6=509/4, var_1_7=0, var_1_8=-5, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_5=10219/40, var_1_6=509/4, var_1_7=0, var_1_8=-5, var_1_9=2] [L98] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_5=10219/40, var_1_6=509/4, var_1_7=0, var_1_8=-5, var_1_9=2] [L99] var_1_5 = __VERIFIER_nondet_float() [L100] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_6=509/4, var_1_7=0, var_1_8=-5, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_6=509/4, var_1_7=0, var_1_8=-5, var_1_9=2] [L100] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_6=509/4, var_1_7=0, var_1_8=-5, var_1_9=2] [L101] var_1_6 = __VERIFIER_nondet_float() [L102] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=0, var_1_8=-5, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=0, var_1_8=-5, var_1_9=2] [L102] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=0, var_1_8=-5, var_1_9=2] [L103] var_1_7 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_8=-5, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_8=-5, var_1_9=2] [L104] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_8=-5, var_1_9=2] [L105] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=-5, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=-5, var_1_9=2] [L105] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=-5, var_1_9=2] [L106] var_1_8 = __VERIFIER_nondet_char() [L107] CALL assume_abort_if_not(var_1_8 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=2] [L107] RET assume_abort_if_not(var_1_8 >= -127) VAL [isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=2] [L108] CALL assume_abort_if_not(var_1_8 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=2] [L108] RET assume_abort_if_not(var_1_8 <= 126) VAL [isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=2] [L109] var_1_9 = __VERIFIER_nondet_char() [L110] CALL assume_abort_if_not(var_1_9 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L110] RET assume_abort_if_not(var_1_9 >= -127) VAL [isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L111] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L111] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L112] var_1_11 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L113] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L114] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=124, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=124, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L114] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, var_1_10=16, var_1_11=124, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L115] var_1_13 = __VERIFIER_nondet_float() [L116] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=124, var_1_12=50000004/5, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=124, var_1_12=50000004/5, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L116] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=124, var_1_12=50000004/5, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L117] var_1_14 = __VERIFIER_nondet_float() [L118] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=124, var_1_12=50000004/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=124, var_1_12=50000004/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L118] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=124, var_1_12=50000004/5, var_1_15=1999999/2, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L119] var_1_15 = __VERIFIER_nondet_float() [L120] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=124, var_1_12=50000004/5, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=124, var_1_12=50000004/5, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L120] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=124, var_1_12=50000004/5, var_1_16=-8, var_1_17=32, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L121] var_1_17 = __VERIFIER_nondet_long() [L122] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=124, var_1_12=50000004/5, var_1_16=-8, var_1_17=124, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=124, var_1_12=50000004/5, var_1_16=-8, var_1_17=124, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L122] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=124, var_1_12=50000004/5, var_1_16=-8, var_1_17=124, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L123] CALL assume_abort_if_not(var_1_17 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=124, var_1_12=50000004/5, var_1_16=-8, var_1_17=124, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=124, var_1_12=50000004/5, var_1_16=-8, var_1_17=124, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L123] RET assume_abort_if_not(var_1_17 <= 2147483646) VAL [isInitial=1, var_1_10=16, var_1_11=124, var_1_12=50000004/5, var_1_16=-8, var_1_17=124, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L136] RET updateVariables() [L137] CALL step() [L44] COND FALSE !((var_1_2 / var_1_3) > ((var_1_4 - var_1_5) * var_1_6)) [L51] var_1_1 = var_1_8 VAL [isInitial=1, var_1_10=16, var_1_11=124, var_1_12=50000004/5, var_1_16=-8, var_1_17=124, var_1_18=-8, var_1_19=27/5, var_1_1=125, var_1_7=1, var_1_8=125, var_1_9=126] [L53] COND FALSE !(var_1_9 < var_1_1) [L58] var_1_10 = var_1_11 VAL [isInitial=1, var_1_10=124, var_1_11=124, var_1_12=50000004/5, var_1_16=-8, var_1_17=124, var_1_18=-8, var_1_19=27/5, var_1_1=125, var_1_7=1, var_1_8=125, var_1_9=126] [L60] COND TRUE var_1_5 <= (var_1_6 / var_1_3) [L61] var_1_12 = ((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15)))) VAL [isInitial=1, var_1_10=124, var_1_11=124, var_1_12=10000005, var_1_13=10000005, var_1_16=-8, var_1_17=124, var_1_18=-8, var_1_19=27/5, var_1_1=125, var_1_7=1, var_1_8=125, var_1_9=126] [L65] COND TRUE \read(var_1_7) [L66] var_1_16 = var_1_8 VAL [isInitial=1, var_1_10=124, var_1_11=124, var_1_12=10000005, var_1_13=10000005, var_1_16=125, var_1_17=124, var_1_18=-8, var_1_19=27/5, var_1_1=125, var_1_7=1, var_1_8=125, var_1_9=126] [L70] COND FALSE !(var_1_16 >= (var_1_10 + var_1_17)) [L81] var_1_18 = var_1_8 VAL [isInitial=1, var_1_10=124, var_1_11=124, var_1_12=10000005, var_1_13=10000005, var_1_16=125, var_1_17=124, var_1_18=125, var_1_19=27/5, var_1_1=125, var_1_7=1, var_1_8=125, var_1_9=126] [L83] COND TRUE ! (var_1_10 > var_1_1) [L84] var_1_19 = ((((var_1_13) > ((((((0.05 + var_1_15)) < (var_1_14)) ? ((0.05 + var_1_15)) : (var_1_14))))) ? (var_1_13) : ((((((0.05 + var_1_15)) < (var_1_14)) ? ((0.05 + var_1_15)) : (var_1_14)))))) VAL [isInitial=1, var_1_10=124, var_1_11=124, var_1_12=10000005, var_1_13=10000005, var_1_14=10000005, var_1_16=125, var_1_17=124, var_1_18=125, var_1_19=10000005, var_1_1=125, var_1_7=1, var_1_8=125, var_1_9=126] [L137] RET step() [L138] CALL, EXPR property() [L128-L129] return (((((((var_1_2 / var_1_3) > ((var_1_4 - var_1_5) * var_1_6)) ? (var_1_7 ? (var_1_1 == ((signed char) var_1_8)) : (var_1_1 == ((signed char) var_1_9))) : (var_1_1 == ((signed char) var_1_8))) && ((var_1_9 < var_1_1) ? (((var_1_4 - var_1_5) > var_1_3) ? (var_1_10 == ((unsigned char) 8)) : 1) : (var_1_10 == ((unsigned char) var_1_11)))) && ((var_1_5 <= (var_1_6 / var_1_3)) ? (var_1_12 == ((float) ((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15)))))) : (var_1_12 == ((float) var_1_14)))) && (var_1_7 ? (var_1_16 == ((signed long int) var_1_8)) : (var_1_16 == ((signed long int) (var_1_11 - ((((var_1_10 - var_1_17) < 0 ) ? -(var_1_10 - var_1_17) : (var_1_10 - var_1_17)))))))) && ((var_1_16 >= (var_1_10 + var_1_17)) ? ((var_1_5 < 999.5f) ? (var_1_7 ? (var_1_18 == ((signed short int) (var_1_10 + var_1_1))) : (var_1_18 == ((signed short int) var_1_8))) : (var_1_18 == ((signed short int) var_1_9))) : (var_1_18 == ((signed short int) var_1_8)))) && ((! (var_1_10 > var_1_1)) ? (var_1_19 == ((double) ((((var_1_13) > ((((((0.05 + var_1_15)) < (var_1_14)) ? ((0.05 + var_1_15)) : (var_1_14))))) ? (var_1_13) : ((((((0.05 + var_1_15)) < (var_1_14)) ? ((0.05 + var_1_15)) : (var_1_14)))))))) : ((var_1_1 > var_1_9) ? (var_1_19 == ((double) var_1_15)) : 1)) ; [L138] RET, EXPR property() [L138] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=124, var_1_11=124, var_1_12=10000005, var_1_13=10000005, var_1_14=10000005, var_1_16=125, var_1_17=124, var_1_18=125, var_1_19=10000005, var_1_1=125, var_1_7=1, var_1_8=125, var_1_9=126] [L19] reach_error() VAL [isInitial=1, var_1_10=124, var_1_11=124, var_1_12=10000005, var_1_13=10000005, var_1_14=10000005, var_1_16=125, var_1_17=124, var_1_18=125, var_1_19=10000005, var_1_1=125, var_1_7=1, var_1_8=125, var_1_9=126] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 80 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 238 NumberOfCodeBlocks, 238 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 118 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 684/684 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 05:17:27,364 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_codestructure_normal_file-18.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 7f3019c4b5537fa24093124e20ea2bb4d93399e913f7c06778e0ac59831e99c9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 05:17:29,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 05:17:29,845 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-24 05:17:29,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 05:17:29,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 05:17:29,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 05:17:29,888 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 05:17:29,889 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 05:17:29,890 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 05:17:29,891 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 05:17:29,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 05:17:29,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 05:17:29,892 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 05:17:29,893 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 05:17:29,897 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 05:17:29,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 05:17:29,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 05:17:29,899 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 05:17:29,899 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 05:17:29,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 05:17:29,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 05:17:29,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 05:17:29,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 05:17:29,902 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 05:17:29,902 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 05:17:29,906 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 05:17:29,906 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 05:17:29,906 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 05:17:29,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 05:17:29,907 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 05:17:29,907 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 05:17:29,907 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 05:17:29,908 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 05:17:29,908 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 05:17:29,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 05:17:29,909 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 05:17:29,909 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 05:17:29,909 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 05:17:29,909 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 05:17:29,909 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 05:17:29,910 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 05:17:29,910 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 05:17:29,911 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 05:17:29,911 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 05:17:29,911 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 05:17:29,911 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f3019c4b5537fa24093124e20ea2bb4d93399e913f7c06778e0ac59831e99c9 [2024-10-24 05:17:30,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 05:17:30,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 05:17:30,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 05:17:30,307 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 05:17:30,309 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 05:17:30,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-18.i [2024-10-24 05:17:31,943 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 05:17:32,201 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 05:17:32,202 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-18.i [2024-10-24 05:17:32,211 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75335dc86/c4404c3011c549f5884106217f49d77b/FLAGf102f8ee2 [2024-10-24 05:17:32,226 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75335dc86/c4404c3011c549f5884106217f49d77b [2024-10-24 05:17:32,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 05:17:32,230 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 05:17:32,231 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 05:17:32,231 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 05:17:32,237 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 05:17:32,238 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 05:17:32" (1/1) ... [2024-10-24 05:17:32,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be4dcb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:32, skipping insertion in model container [2024-10-24 05:17:32,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 05:17:32" (1/1) ... [2024-10-24 05:17:32,267 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 05:17:32,479 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_codestructure_normal_file-18.i[913,926] [2024-10-24 05:17:32,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 05:17:32,586 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 05:17:32,601 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_codestructure_normal_file-18.i[913,926] [2024-10-24 05:17:32,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 05:17:32,670 INFO L204 MainTranslator]: Completed translation [2024-10-24 05:17:32,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:32 WrapperNode [2024-10-24 05:17:32,671 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 05:17:32,672 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 05:17:32,672 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 05:17:32,672 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 05:17:32,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:32" (1/1) ... [2024-10-24 05:17:32,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:32" (1/1) ... [2024-10-24 05:17:32,737 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 137 [2024-10-24 05:17:32,737 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 05:17:32,738 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 05:17:32,738 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 05:17:32,738 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 05:17:32,749 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:32" (1/1) ... [2024-10-24 05:17:32,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:32" (1/1) ... [2024-10-24 05:17:32,757 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:32" (1/1) ... [2024-10-24 05:17:32,783 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 05:17:32,783 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:32" (1/1) ... [2024-10-24 05:17:32,783 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:32" (1/1) ... [2024-10-24 05:17:32,796 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:32" (1/1) ... [2024-10-24 05:17:32,804 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:32" (1/1) ... [2024-10-24 05:17:32,811 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:32" (1/1) ... [2024-10-24 05:17:32,813 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:32" (1/1) ... [2024-10-24 05:17:32,816 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 05:17:32,817 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 05:17:32,817 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 05:17:32,817 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 05:17:32,818 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:32" (1/1) ... [2024-10-24 05:17:32,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 05:17:32,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 05:17:32,862 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 05:17:32,868 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 05:17:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 05:17:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-24 05:17:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 05:17:32,909 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 05:17:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 05:17:32,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 05:17:32,990 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 05:17:32,993 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 05:17:48,475 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-10-24 05:17:48,475 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 05:17:48,516 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 05:17:48,517 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 05:17:48,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:17:48 BoogieIcfgContainer [2024-10-24 05:17:48,517 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 05:17:48,519 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 05:17:48,519 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 05:17:48,522 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 05:17:48,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 05:17:32" (1/3) ... [2024-10-24 05:17:48,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17525d28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:17:48, skipping insertion in model container [2024-10-24 05:17:48,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 05:17:32" (2/3) ... [2024-10-24 05:17:48,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17525d28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:17:48, skipping insertion in model container [2024-10-24 05:17:48,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:17:48" (3/3) ... [2024-10-24 05:17:48,524 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-18.i [2024-10-24 05:17:48,538 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 05:17:48,539 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 05:17:48,589 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 05:17:48,597 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;@d14c5ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 05:17:48,598 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 05:17:48,603 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 35 states have internal predecessors, (50), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-24 05:17:48,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-24 05:17:48,617 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:17:48,618 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:17:48,618 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:17:48,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:17:48,624 INFO L85 PathProgramCache]: Analyzing trace with hash 357295065, now seen corresponding path program 1 times [2024-10-24 05:17:48,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 05:17:48,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1444164041] [2024-10-24 05:17:48,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:17:48,639 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 05:17:48,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 05:17:48,642 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 05:17:48,643 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 05:17:49,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:17:49,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-24 05:17:49,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 05:17:49,377 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-10-24 05:17:49,379 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 05:17:49,380 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 05:17:49,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1444164041] [2024-10-24 05:17:49,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1444164041] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 05:17:49,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 05:17:49,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 05:17:49,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317805944] [2024-10-24 05:17:49,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 05:17:49,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 05:17:49,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 05:17:49,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 05:17:49,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 05:17:49,415 INFO L87 Difference]: Start difference. First operand has 56 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 35 states have internal predecessors, (50), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 05:17:53,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-24 05:17:53,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 05:17:53,644 INFO L93 Difference]: Finished difference Result 109 states and 193 transitions. [2024-10-24 05:17:53,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 05:17:53,713 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 119 [2024-10-24 05:17:53,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 05:17:53,719 INFO L225 Difference]: With dead ends: 109 [2024-10-24 05:17:53,719 INFO L226 Difference]: Without dead ends: 54 [2024-10-24 05:17:53,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 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 05:17:53,724 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-10-24 05:17:53,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-10-24 05:17:53,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-10-24 05:17:53,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-10-24 05:17:53,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 33 states have internal predecessors, (45), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-24 05:17:53,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 83 transitions. [2024-10-24 05:17:53,764 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 83 transitions. Word has length 119 [2024-10-24 05:17:53,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 05:17:53,765 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 83 transitions. [2024-10-24 05:17:53,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-24 05:17:53,765 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 83 transitions. [2024-10-24 05:17:53,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-24 05:17:53,768 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 05:17:53,768 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:17:53,787 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 05:17:53,969 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 05:17:53,969 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 05:17:53,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 05:17:53,970 INFO L85 PathProgramCache]: Analyzing trace with hash 768997711, now seen corresponding path program 1 times [2024-10-24 05:17:53,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 05:17:53,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [57592760] [2024-10-24 05:17:53,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 05:17:53,971 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 05:17:53,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 05:17:53,974 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 05:17:53,975 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 05:17:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 05:17:54,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-24 05:17:54,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 05:18:12,607 WARN L286 SmtUtils]: Spent 6.98s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-24 05:18:20,683 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-24 05:18:35,589 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-24 05:18:42,793 WARN L286 SmtUtils]: Spent 7.20s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-24 05:18:55,084 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)