./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-18.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-18.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de12b38721abbf2ee8b4c90d07ef71b8582021a6b8e8e1e40a997b81e320916f --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 20:56:10,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 20:56:10,686 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-05 20:56:10,691 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 20:56:10,691 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 20:56:10,715 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 20:56:10,717 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 20:56:10,717 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 20:56:10,718 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 20:56:10,718 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 20:56:10,719 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 20:56:10,719 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 20:56:10,719 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 20:56:10,719 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 20:56:10,719 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 20:56:10,720 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 20:56:10,720 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 20:56:10,720 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 20:56:10,720 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-05 20:56:10,720 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 20:56:10,720 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 20:56:10,720 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 20:56:10,720 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 20:56:10,721 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 20:56:10,721 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 20:56:10,721 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 20:56:10,721 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 20:56:10,721 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 20:56:10,721 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 20:56:10,721 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 20:56:10,721 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 20:56:10,721 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 20:56:10,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 20:56:10,722 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 20:56:10,722 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 20:56:10,722 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 20:56:10,722 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 20:56:10,722 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-05 20:56:10,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-05 20:56:10,722 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 20:56:10,722 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 20:56:10,722 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 20:56:10,722 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 20:56:10,722 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de12b38721abbf2ee8b4c90d07ef71b8582021a6b8e8e1e40a997b81e320916f [2025-02-05 20:56:10,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 20:56:10,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 20:56:10,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 20:56:10,976 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 20:56:10,977 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 20:56:10,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-18.i [2025-02-05 20:56:12,146 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d54bd912a/8cc00ef8c62046a3b7909fd92ab7b32f/FLAG73dd7d338 [2025-02-05 20:56:12,377 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 20:56:12,378 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-18.i [2025-02-05 20:56:12,385 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d54bd912a/8cc00ef8c62046a3b7909fd92ab7b32f/FLAG73dd7d338 [2025-02-05 20:56:12,403 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d54bd912a/8cc00ef8c62046a3b7909fd92ab7b32f [2025-02-05 20:56:12,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 20:56:12,406 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 20:56:12,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 20:56:12,407 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 20:56:12,410 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 20:56:12,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 08:56:12" (1/1) ... [2025-02-05 20:56:12,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59c1f68b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:12, skipping insertion in model container [2025-02-05 20:56:12,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 08:56:12" (1/1) ... [2025-02-05 20:56:12,422 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 20:56:12,530 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-18.i[913,926] [2025-02-05 20:56:12,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 20:56:12,592 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 20:56:12,600 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-18.i[913,926] [2025-02-05 20:56:12,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 20:56:12,647 INFO L204 MainTranslator]: Completed translation [2025-02-05 20:56:12,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:12 WrapperNode [2025-02-05 20:56:12,648 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 20:56:12,649 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 20:56:12,650 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 20:56:12,650 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 20:56:12,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:12" (1/1) ... [2025-02-05 20:56:12,664 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:12" (1/1) ... [2025-02-05 20:56:12,691 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 129 [2025-02-05 20:56:12,695 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 20:56:12,695 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 20:56:12,695 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 20:56:12,695 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 20:56:12,703 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:12" (1/1) ... [2025-02-05 20:56:12,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:12" (1/1) ... [2025-02-05 20:56:12,706 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:12" (1/1) ... [2025-02-05 20:56:12,722 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-05 20:56:12,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:12" (1/1) ... [2025-02-05 20:56:12,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:12" (1/1) ... [2025-02-05 20:56:12,728 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:12" (1/1) ... [2025-02-05 20:56:12,732 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:12" (1/1) ... [2025-02-05 20:56:12,733 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:12" (1/1) ... [2025-02-05 20:56:12,736 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:12" (1/1) ... [2025-02-05 20:56:12,738 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 20:56:12,740 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 20:56:12,740 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 20:56:12,740 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 20:56:12,741 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:12" (1/1) ... [2025-02-05 20:56:12,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 20:56:12,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 20:56:12,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 20:56:12,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 20:56:12,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 20:56:12,787 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-05 20:56:12,787 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-05 20:56:12,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-05 20:56:12,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 20:56:12,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 20:56:12,841 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 20:56:12,843 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 20:56:13,042 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-02-05 20:56:13,042 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 20:56:13,053 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 20:56:13,056 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 20:56:13,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 08:56:13 BoogieIcfgContainer [2025-02-05 20:56:13,056 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 20:56:13,058 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 20:56:13,058 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 20:56:13,061 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 20:56:13,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 08:56:12" (1/3) ... [2025-02-05 20:56:13,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403569fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 08:56:13, skipping insertion in model container [2025-02-05 20:56:13,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:12" (2/3) ... [2025-02-05 20:56:13,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403569fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 08:56:13, skipping insertion in model container [2025-02-05 20:56:13,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 08:56:13" (3/3) ... [2025-02-05 20:56:13,063 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-18.i [2025-02-05 20:56:13,073 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 20:56:13,076 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_normal_file-18.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-05 20:56:13,121 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 20:56:13,131 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;@77c382af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 20:56:13,131 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 20:56:13,135 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-05 20:56:13,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-02-05 20:56:13,143 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 20:56:13,144 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 20:56:13,144 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 20:56:13,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 20:56:13,149 INFO L85 PathProgramCache]: Analyzing trace with hash 978714816, now seen corresponding path program 1 times [2025-02-05 20:56:13,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 20:56:13,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369376135] [2025-02-05 20:56:13,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 20:56:13,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 20:56:13,232 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-05 20:56:13,252 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-05 20:56:13,253 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 20:56:13,253 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 20:56:13,375 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-02-05 20:56:13,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-05 20:56:13,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369376135] [2025-02-05 20:56:13,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369376135] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-05 20:56:13,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291123111] [2025-02-05 20:56:13,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 20:56:13,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-05 20:56:13,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 20:56:13,379 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-05 20:56:13,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-05 20:56:13,434 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-05 20:56:13,485 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-05 20:56:13,486 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 20:56:13,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 20:56:13,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-05 20:56:13,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 20:56:13,506 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-02-05 20:56:13,508 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 20:56:13,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1291123111] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 20:56:13,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-05 20:56:13,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-05 20:56:13,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904723927] [2025-02-05 20:56:13,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 20:56:13,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-05 20:56:13,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-05 20:56:13,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-05 20:56:13,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 20:56:13,527 INFO L87 Difference]: Start difference. First operand has 56 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2025-02-05 20:56:13,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 20:56:13,541 INFO L93 Difference]: Finished difference Result 106 states and 176 transitions. [2025-02-05 20:56:13,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-05 20:56:13,544 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 102 [2025-02-05 20:56:13,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 20:56:13,549 INFO L225 Difference]: With dead ends: 106 [2025-02-05 20:56:13,549 INFO L226 Difference]: Without dead ends: 53 [2025-02-05 20:56:13,551 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 20:56:13,553 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 20:56:13,556 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 20:56:13,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2025-02-05 20:56:13,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2025-02-05 20:56:13,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 36 states have internal predecessors, (48), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-05 20:56:13,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 78 transitions. [2025-02-05 20:56:13,598 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 78 transitions. Word has length 102 [2025-02-05 20:56:13,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 20:56:13,598 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 78 transitions. [2025-02-05 20:56:13,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2025-02-05 20:56:13,598 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2025-02-05 20:56:13,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-02-05 20:56:13,600 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 20:56:13,600 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 20:56:13,610 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-05 20:56:13,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-05 20:56:13,804 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 20:56:13,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 20:56:13,805 INFO L85 PathProgramCache]: Analyzing trace with hash 10073083, now seen corresponding path program 1 times [2025-02-05 20:56:13,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-05 20:56:13,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475443932] [2025-02-05 20:56:13,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 20:56:13,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-05 20:56:13,819 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-05 20:56:13,902 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-05 20:56:13,902 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 20:56:13,902 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 20:56:13,902 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-05 20:56:13,917 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-05 20:56:13,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-05 20:56:13,988 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 20:56:13,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-05 20:56:14,022 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-05 20:56:14,022 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-05 20:56:14,023 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-05 20:56:14,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-05 20:56:14,027 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-05 20:56:14,096 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-05 20:56:14,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 08:56:14 BoogieIcfgContainer [2025-02-05 20:56:14,101 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-05 20:56:14,101 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-05 20:56:14,101 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-05 20:56:14,102 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-05 20:56:14,102 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 08:56:13" (3/4) ... [2025-02-05 20:56:14,104 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-05 20:56:14,105 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-05 20:56:14,105 INFO L158 Benchmark]: Toolchain (without parser) took 1698.72ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 81.2MB in the end (delta: 31.0MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2025-02-05 20:56:14,106 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 201.3MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 20:56:14,107 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.43ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 98.7MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 20:56:14,107 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.52ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 96.4MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-05 20:56:14,107 INFO L158 Benchmark]: Boogie Preprocessor took 43.21ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 94.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 20:56:14,107 INFO L158 Benchmark]: IcfgBuilder took 316.45ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 77.0MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-05 20:56:14,107 INFO L158 Benchmark]: TraceAbstraction took 1042.97ms. Allocated memory is still 142.6MB. Free memory was 76.5MB in the beginning and 81.2MB in the end (delta: -4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 20:56:14,108 INFO L158 Benchmark]: Witness Printer took 3.40ms. Allocated memory is still 142.6MB. Free memory was 81.2MB in the beginning and 81.2MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-05 20:56:14,109 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 201.3MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.43ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 98.7MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.52ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 96.4MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.21ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 94.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 316.45ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 77.0MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1042.97ms. Allocated memory is still 142.6MB. Free memory was 76.5MB in the beginning and 81.2MB in the end (delta: -4.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.40ms. Allocated memory is still 142.6MB. Free memory was 81.2MB in the beginning and 81.2MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 59, overapproximation of someBinaryFLOATComparisonOperation at line 99, overapproximation of someBinaryFLOATComparisonOperation at line 115, overapproximation of someBinaryFLOATComparisonOperation at line 127, overapproximation of someBinaryFLOATComparisonOperation at line 119, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of someBinaryFLOATComparisonOperation at line 117, overapproximation of someBinaryFLOATComparisonOperation at line 96, overapproximation of someBinaryFLOATComparisonOperation at line 101, overapproximation of someBinaryDOUBLEComparisonOperation at line 65, overapproximation of someBinaryDOUBLEComparisonOperation at line 59, overapproximation of someBinaryDOUBLEComparisonOperation at line 70, overapproximation of someBinaryDOUBLEComparisonOperation at line 127, overapproximation of someBinaryArithmeticFLOAToperation at line 66. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -1; [L23] float var_1_3 = 32.4; [L24] float var_1_4 = 5.5; [L25] float var_1_5 = 255.475; [L26] unsigned char var_1_7 = 0; [L27] signed char var_1_8 = -5; [L28] signed char var_1_9 = 2; [L29] unsigned char var_1_10 = 16; [L30] unsigned char var_1_11 = 16; [L31] float var_1_12 = 10000000.8; [L32] float var_1_13 = 127.7; [L33] float var_1_14 = 199.2; [L34] float var_1_15 = 999999.5; [L35] signed long int var_1_16 = -8; [L36] signed short int var_1_18 = -8; [L37] double var_1_19 = 5.4; [L38] signed char last_1_var_1_1 = -1; [L39] unsigned char last_1_var_1_10 = 16; [L40] signed long int last_1_var_1_16 = -8; VAL [isInitial=0, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_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_7=0, var_1_8=-5, var_1_9=2] [L131] isInitial = 1 [L132] FCALL initially() [L133] COND TRUE 1 [L134] CALL updateLastVariables() [L122] last_1_var_1_1 = var_1_1 [L123] last_1_var_1_10 = var_1_10 [L124] last_1_var_1_16 = var_1_16 VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_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_7=0, var_1_8=-5, var_1_9=2] [L134] RET updateLastVariables() [L135] CALL updateVariables() [L95] var_1_3 = __VERIFIER_nondet_float() [L96] 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, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=11/2, var_1_5=10219/40, var_1_7=0, var_1_8=-5, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=11/2, var_1_5=10219/40, var_1_7=0, var_1_8=-5, var_1_9=2] [L96] 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, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=11/2, var_1_5=10219/40, var_1_7=0, var_1_8=-5, var_1_9=2] [L97] CALL assume_abort_if_not(var_1_3 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=11/2, var_1_5=10219/40, var_1_7=0, var_1_8=-5, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=11/2, var_1_5=10219/40, var_1_7=0, var_1_8=-5, var_1_9=2] [L97] RET assume_abort_if_not(var_1_3 != 0.0F) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=11/2, var_1_5=10219/40, var_1_7=0, var_1_8=-5, var_1_9=2] [L98] var_1_4 = __VERIFIER_nondet_float() [L99] 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, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_18=-8, var_1_19=27/5, var_1_1=-1, var_1_5=10219/40, var_1_7=0, var_1_8=-5, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_18=-8, var_1_19=27/5, var_1_1=-1, var_1_5=10219/40, var_1_7=0, var_1_8=-5, var_1_9=2] [L99] 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, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_18=-8, var_1_19=27/5, var_1_1=-1, var_1_5=10219/40, var_1_7=0, var_1_8=-5, var_1_9=2] [L100] var_1_5 = __VERIFIER_nondet_float() [L101] 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, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_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, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=0, var_1_8=-5, var_1_9=2] [L101] 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, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=0, var_1_8=-5, var_1_9=2] [L102] var_1_7 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_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, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_18=-8, var_1_19=27/5, var_1_1=-1, var_1_8=-5, var_1_9=2] [L103] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_18=-8, var_1_19=27/5, var_1_1=-1, var_1_8=-5, var_1_9=2] [L104] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_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, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=-5, var_1_9=2] [L104] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=-5, var_1_9=2] [L105] var_1_8 = __VERIFIER_nondet_char() [L106] CALL assume_abort_if_not(var_1_8 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_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, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=2] [L106] RET assume_abort_if_not(var_1_8 >= -127) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=2] [L107] CALL assume_abort_if_not(var_1_8 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_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, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_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 <= 126) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=2] [L108] var_1_9 = __VERIFIER_nondet_char() [L109] CALL assume_abort_if_not(var_1_9 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_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, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L109] RET assume_abort_if_not(var_1_9 >= -127) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L110] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_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, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_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 <= 126) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L111] var_1_11 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_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, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L112] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-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_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L113] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=-2, 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_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, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=-2, 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_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 <= 254) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=-2, 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_18=-8, var_1_19=27/5, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L114] var_1_13 = __VERIFIER_nondet_float() [L115] 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, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=-2, var_1_12=50000004/5, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, 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, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=-2, var_1_12=50000004/5, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, 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] 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, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=-2, var_1_12=50000004/5, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, 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] var_1_14 = __VERIFIER_nondet_float() [L117] 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, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=-2, var_1_12=50000004/5, var_1_15=1999999/2, var_1_16=-8, 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, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=-2, var_1_12=50000004/5, var_1_15=1999999/2, var_1_16=-8, 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] 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, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=-2, var_1_12=50000004/5, var_1_15=1999999/2, var_1_16=-8, 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] var_1_15 = __VERIFIER_nondet_float() [L119] 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, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=-2, var_1_12=50000004/5, var_1_16=-8, 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, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=-2, var_1_12=50000004/5, var_1_16=-8, 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] 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, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=-2, var_1_12=50000004/5, var_1_16=-8, 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] [L135] RET updateVariables() [L136] CALL step() [L44] signed long int stepLocal_0 = last_1_var_1_16; VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, stepLocal_0=-8, var_1_10=16, var_1_11=-2, var_1_12=50000004/5, var_1_16=-8, 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] [L45] COND FALSE !(var_1_9 < stepLocal_0) [L50] var_1_10 = var_1_11 VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=-2, var_1_11=-2, var_1_12=50000004/5, var_1_16=-8, 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] [L52] COND TRUE \read(var_1_7) [L53] var_1_16 = var_1_8 VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=-2, var_1_11=-2, var_1_12=50000004/5, var_1_16=125, 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] [L57] signed long int stepLocal_2 = last_1_var_1_10; VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, stepLocal_2=16, var_1_10=-2, var_1_11=-2, var_1_12=50000004/5, var_1_16=125, 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] [L58] COND TRUE ! (last_1_var_1_1 > last_1_var_1_10) [L59] 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, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, stepLocal_2=16, var_1_10=-2, var_1_11=-2, var_1_12=50000004/5, var_1_13=10000005, var_1_14=10000005, var_1_16=125, var_1_18=-8, var_1_19=10000005, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L65] COND TRUE var_1_5 <= (var_1_19 / var_1_3) [L66] var_1_12 = ((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15)))) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, stepLocal_2=16, var_1_10=-2, var_1_11=-2, var_1_12=10000005, var_1_13=10000005, var_1_14=10000005, var_1_16=125, var_1_18=-8, var_1_19=10000005, var_1_1=-1, var_1_7=1, var_1_8=125, var_1_9=126] [L70] COND FALSE !((var_1_12 / var_1_3) > ((var_1_4 - var_1_5) * var_1_19)) [L77] var_1_1 = var_1_8 VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, stepLocal_2=16, var_1_10=-2, var_1_11=-2, var_1_12=10000005, var_1_13=10000005, var_1_14=10000005, var_1_16=125, var_1_18=-8, var_1_19=10000005, var_1_1=125, var_1_7=1, var_1_8=125, var_1_9=126] [L79] signed char stepLocal_1 = var_1_1; VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, stepLocal_1=125, stepLocal_2=16, var_1_10=-2, var_1_11=-2, var_1_12=10000005, var_1_13=10000005, var_1_14=10000005, var_1_16=125, var_1_18=-8, var_1_19=10000005, var_1_1=125, var_1_7=1, var_1_8=125, var_1_9=126] [L80] COND FALSE !(stepLocal_1 >= (var_1_16 + var_1_10)) [L91] var_1_18 = var_1_8 VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, stepLocal_2=16, var_1_10=-2, var_1_11=-2, var_1_12=10000005, var_1_13=10000005, var_1_14=10000005, var_1_16=125, var_1_18=125, var_1_19=10000005, var_1_1=125, var_1_7=1, var_1_8=125, var_1_9=126] [L136] RET step() [L137] CALL, EXPR property() [L127-L128] return (((((((var_1_12 / var_1_3) > ((var_1_4 - var_1_5) * var_1_19)) ? (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 < last_1_var_1_16) ? (((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_19 / 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_10) < 0 ) ? -(var_1_10 - var_1_10) : (var_1_10 - var_1_10)))))))) && ((var_1_1 >= (var_1_16 + var_1_10)) ? ((var_1_5 < 999.5f) ? (var_1_7 ? (var_1_18 == ((signed short int) (var_1_16 + var_1_16))) : (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)))) && ((! (last_1_var_1_1 > last_1_var_1_10)) ? (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)))))))) : ((last_1_var_1_10 > var_1_9) ? (var_1_19 == ((double) var_1_15)) : 1)) ; VAL [\result=0, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=-2, var_1_11=-2, var_1_12=10000005, var_1_13=10000005, var_1_14=10000005, var_1_16=125, 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, EXPR property() [L137] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=-2, var_1_11=-2, var_1_12=10000005, var_1_13=10000005, var_1_14=10000005, var_1_16=125, 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, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=-2, var_1_11=-2, var_1_12=10000005, var_1_13=10000005, var_1_14=10000005, var_1_16=125, 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: 0.9s, OverallIterations: 2, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 78 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 103 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, 0.1s InterpolantComputationTime, 306 NumberOfCodeBlocks, 306 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 202 ConstructedInterpolants, 0 QuantifiedInterpolants, 202 SizeOfPredicates, 0 NumberOfNonLiveVariables, 254 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 812/840 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-02-05 20:56:14,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-18.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de12b38721abbf2ee8b4c90d07ef71b8582021a6b8e8e1e40a997b81e320916f --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-05 20:56:15,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-05 20:56:16,054 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-05 20:56:16,061 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-05 20:56:16,062 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-05 20:56:16,077 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-05 20:56:16,078 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-05 20:56:16,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-05 20:56:16,078 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-05 20:56:16,078 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-05 20:56:16,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-05 20:56:16,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-05 20:56:16,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-05 20:56:16,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-05 20:56:16,079 INFO L153 SettingsManager]: * Use SBE=true [2025-02-05 20:56:16,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-05 20:56:16,079 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-05 20:56:16,079 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-05 20:56:16,079 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-05 20:56:16,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-05 20:56:16,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-05 20:56:16,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-05 20:56:16,080 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-05 20:56:16,080 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-05 20:56:16,080 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-05 20:56:16,080 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-05 20:56:16,080 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-05 20:56:16,080 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-05 20:56:16,080 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-05 20:56:16,080 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-05 20:56:16,081 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-05 20:56:16,081 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-05 20:56:16,081 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-05 20:56:16,081 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-05 20:56:16,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 20:56:16,081 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-05 20:56:16,081 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-05 20:56:16,081 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-05 20:56:16,081 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-05 20:56:16,081 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-05 20:56:16,081 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-05 20:56:16,081 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-05 20:56:16,082 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-05 20:56:16,082 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-05 20:56:16,082 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-05 20:56:16,082 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de12b38721abbf2ee8b4c90d07ef71b8582021a6b8e8e1e40a997b81e320916f [2025-02-05 20:56:16,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-05 20:56:16,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-05 20:56:16,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-05 20:56:16,331 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-05 20:56:16,331 INFO L274 PluginConnector]: CDTParser initialized [2025-02-05 20:56:16,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-18.i [2025-02-05 20:56:17,586 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6300d78c7/3b77cc80d43341418062a0a3dc18dde3/FLAGf9a319e8b [2025-02-05 20:56:17,608 ERROR L? ?]: Error during toolchain job processing: java.lang.NullPointerException: Cannot invoke "String.equalsIgnoreCase(String)" because "kindStr" is null at org.eclipse.cdt.internal.core.model.PathEntry.kindFromString(PathEntry.java:80) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.decodePathEntry(DefaultPathEntryStore.java:127) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.getRawPathEntries(DefaultPathEntryStore.java:97) at org.eclipse.cdt.internal.core.model.PathEntryStoreProxy.getRawPathEntries(PathEntryStoreProxy.java:102) at org.eclipse.cdt.internal.core.model.PathEntryManager.getRawPathEntries(PathEntryManager.java:666) at org.eclipse.cdt.core.model.CoreModel.getRawPathEntries(CoreModel.java:937) at org.eclipse.cdt.core.model.CoreModel.oldIsScannerInformationEmpty(CoreModel.java:1307) at org.eclipse.cdt.core.model.CoreModel.isScannerInformationEmpty(CoreModel.java:1252) at org.eclipse.cdt.internal.core.pdom.indexer.ProjectIndexerInputAdapter.isFileBuildConfigured(ProjectIndexerInputAdapter.java:267) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.isRequiredInIndex(AbstractIndexerTask.java:748) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.extractFiles(AbstractIndexerTask.java:667) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.runTask(AbstractIndexerTask.java:558) at org.eclipse.cdt.internal.core.pdom.indexer.PDOMIndexerTask.run(PDOMIndexerTask.java:164) at org.eclipse.cdt.internal.core.pdom.PDOMIndexerJob.run(PDOMIndexerJob.java:160) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-02-05 20:56:17,847 INFO L384 CDTParser]: Found 1 translation units. [2025-02-05 20:56:17,848 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-18.i [2025-02-05 20:56:17,858 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6300d78c7/3b77cc80d43341418062a0a3dc18dde3/FLAGf9a319e8b [2025-02-05 20:56:17,879 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6300d78c7/3b77cc80d43341418062a0a3dc18dde3 [2025-02-05 20:56:17,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-05 20:56:17,884 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-05 20:56:17,886 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-05 20:56:17,886 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-05 20:56:17,890 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-05 20:56:17,891 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 08:56:17" (1/1) ... [2025-02-05 20:56:17,892 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@671c484b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:17, skipping insertion in model container [2025-02-05 20:56:17,892 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 08:56:17" (1/1) ... [2025-02-05 20:56:17,913 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-05 20:56:18,070 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-18.i[913,926] [2025-02-05 20:56:18,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 20:56:18,159 INFO L200 MainTranslator]: Completed pre-run [2025-02-05 20:56:18,169 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-18.i[913,926] [2025-02-05 20:56:18,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-05 20:56:18,209 INFO L204 MainTranslator]: Completed translation [2025-02-05 20:56:18,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:18 WrapperNode [2025-02-05 20:56:18,210 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-05 20:56:18,211 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-05 20:56:18,211 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-05 20:56:18,211 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-05 20:56:18,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:18" (1/1) ... [2025-02-05 20:56:18,227 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:18" (1/1) ... [2025-02-05 20:56:18,246 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 127 [2025-02-05 20:56:18,247 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-05 20:56:18,248 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-05 20:56:18,248 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-05 20:56:18,248 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-05 20:56:18,256 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:18" (1/1) ... [2025-02-05 20:56:18,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:18" (1/1) ... [2025-02-05 20:56:18,259 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:18" (1/1) ... [2025-02-05 20:56:18,271 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-05 20:56:18,271 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:18" (1/1) ... [2025-02-05 20:56:18,271 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:18" (1/1) ... [2025-02-05 20:56:18,279 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:18" (1/1) ... [2025-02-05 20:56:18,280 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:18" (1/1) ... [2025-02-05 20:56:18,282 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:18" (1/1) ... [2025-02-05 20:56:18,283 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:18" (1/1) ... [2025-02-05 20:56:18,286 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-05 20:56:18,287 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-05 20:56:18,288 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-05 20:56:18,288 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-05 20:56:18,289 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:18" (1/1) ... [2025-02-05 20:56:18,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-05 20:56:18,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-05 20:56:18,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-05 20:56:18,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-05 20:56:18,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-05 20:56:18,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-05 20:56:18,341 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-05 20:56:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-05 20:56:18,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-05 20:56:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-05 20:56:18,412 INFO L257 CfgBuilder]: Building ICFG [2025-02-05 20:56:18,414 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-05 20:56:41,139 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-02-05 20:56:41,140 INFO L308 CfgBuilder]: Performing block encoding [2025-02-05 20:56:41,148 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-05 20:56:41,149 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-05 20:56:41,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 08:56:41 BoogieIcfgContainer [2025-02-05 20:56:41,149 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-05 20:56:41,151 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-05 20:56:41,154 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-05 20:56:41,158 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-05 20:56:41,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 08:56:17" (1/3) ... [2025-02-05 20:56:41,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@557a159e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 08:56:41, skipping insertion in model container [2025-02-05 20:56:41,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 08:56:18" (2/3) ... [2025-02-05 20:56:41,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@557a159e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 08:56:41, skipping insertion in model container [2025-02-05 20:56:41,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 05.02 08:56:41" (3/3) ... [2025-02-05 20:56:41,162 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-18.i [2025-02-05 20:56:41,173 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-05 20:56:41,174 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_normal_file-18.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-05 20:56:41,218 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-05 20:56:41,228 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;@5d133fd8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-05 20:56:41,230 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-05 20:56:41,233 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-05 20:56:41,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-02-05 20:56:41,242 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 20:56:41,242 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 20:56:41,243 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 20:56:41,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 20:56:41,248 INFO L85 PathProgramCache]: Analyzing trace with hash 978714816, now seen corresponding path program 1 times [2025-02-05 20:56:41,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 20:56:41,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1923800184] [2025-02-05 20:56:41,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 20:56:41,261 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-05 20:56:41,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 20:56:41,265 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-05 20:56:41,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-02-05 20:56:41,339 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-05 20:56:42,421 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-05 20:56:42,422 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 20:56:42,422 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 20:56:42,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-05 20:56:42,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-05 20:56:42,507 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2025-02-05 20:56:42,507 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-05 20:56:42,508 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-05 20:56:42,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1923800184] [2025-02-05 20:56:42,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1923800184] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-05 20:56:42,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-05 20:56:42,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-05 20:56:42,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281258384] [2025-02-05 20:56:42,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-05 20:56:42,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-05 20:56:42,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-05 20:56:42,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-05 20:56:42,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 20:56:42,529 INFO L87 Difference]: Start difference. First operand has 56 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-02-05 20:56:42,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-05 20:56:42,542 INFO L93 Difference]: Finished difference Result 106 states and 176 transitions. [2025-02-05 20:56:42,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-05 20:56:42,543 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 102 [2025-02-05 20:56:42,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-05 20:56:42,547 INFO L225 Difference]: With dead ends: 106 [2025-02-05 20:56:42,548 INFO L226 Difference]: Without dead ends: 53 [2025-02-05 20:56:42,550 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-05 20:56:42,551 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-05 20:56:42,552 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-05 20:56:42,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2025-02-05 20:56:42,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2025-02-05 20:56:42,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 36 states have internal predecessors, (48), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-05 20:56:42,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 78 transitions. [2025-02-05 20:56:42,575 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 78 transitions. Word has length 102 [2025-02-05 20:56:42,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-05 20:56:42,575 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 78 transitions. [2025-02-05 20:56:42,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2025-02-05 20:56:42,576 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2025-02-05 20:56:42,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-02-05 20:56:42,577 INFO L210 NwaCegarLoop]: Found error trace [2025-02-05 20:56:42,577 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-05 20:56:42,607 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-02-05 20:56:42,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-05 20:56:42,783 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-05 20:56:42,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-05 20:56:42,784 INFO L85 PathProgramCache]: Analyzing trace with hash 10073083, now seen corresponding path program 1 times [2025-02-05 20:56:42,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-05 20:56:42,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1035407450] [2025-02-05 20:56:42,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-05 20:56:42,785 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-05 20:56:42,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-05 20:56:42,788 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-05 20:56:42,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-02-05 20:56:42,828 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-05 20:56:43,980 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-05 20:56:43,980 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-05 20:56:43,980 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-05 20:56:44,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-02-05 20:56:44,035 INFO L279 TraceCheckSpWp]: Computing forward predicates...