./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-18.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-18.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de12b38721abbf2ee8b4c90d07ef71b8582021a6b8e8e1e40a997b81e320916f --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 13:21:42,280 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 13:21:42,335 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 13:21:42,342 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 13:21:42,346 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 13:21:42,364 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 13:21:42,365 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 13:21:42,365 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 13:21:42,365 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 13:21:42,365 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 13:21:42,365 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 13:21:42,365 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 13:21:42,366 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 13:21:42,366 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 13:21:42,366 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 13:21:42,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 13:21:42,366 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 13:21:42,366 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 13:21:42,366 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 13:21:42,366 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 13:21:42,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 13:21:42,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 13:21:42,366 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 13:21:42,366 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 13:21:42,366 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 13:21:42,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 13:21:42,366 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 13:21:42,366 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 13:21:42,368 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 13:21:42,368 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 13:21:42,368 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 13:21:42,368 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 13:21:42,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 13:21:42,369 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 13:21:42,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 13:21:42,369 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 13:21:42,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 13:21:42,369 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 13:21:42,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 13:21:42,369 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 13:21:42,369 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 13:21:42,369 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 13:21:42,369 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 13:21:42,369 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/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 [2025-03-08 13:21:42,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 13:21:42,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 13:21:42,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 13:21:42,596 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 13:21:42,597 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 13:21:42,598 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-18.i [2025-03-08 13:21:43,687 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a6e58167/5c2e79ef5149401c8fad04a5cf0036e3/FLAG483a80ea2 [2025-03-08 13:21:43,902 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 13:21:43,902 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-18.i [2025-03-08 13:21:43,909 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a6e58167/5c2e79ef5149401c8fad04a5cf0036e3/FLAG483a80ea2 [2025-03-08 13:21:44,257 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a6e58167/5c2e79ef5149401c8fad04a5cf0036e3 [2025-03-08 13:21:44,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 13:21:44,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 13:21:44,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 13:21:44,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 13:21:44,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 13:21:44,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:21:44" (1/1) ... [2025-03-08 13:21:44,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@139dcbe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:44, skipping insertion in model container [2025-03-08 13:21:44,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:21:44" (1/1) ... [2025-03-08 13:21:44,275 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 13:21:44,363 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-18.i[913,926] [2025-03-08 13:21:44,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 13:21:44,399 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 13:21:44,405 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-18.i[913,926] [2025-03-08 13:21:44,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 13:21:44,440 INFO L204 MainTranslator]: Completed translation [2025-03-08 13:21:44,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:44 WrapperNode [2025-03-08 13:21:44,441 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 13:21:44,441 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 13:21:44,441 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 13:21:44,442 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 13:21:44,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:44" (1/1) ... [2025-03-08 13:21:44,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:44" (1/1) ... [2025-03-08 13:21:44,467 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 129 [2025-03-08 13:21:44,467 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 13:21:44,468 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 13:21:44,468 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 13:21:44,468 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 13:21:44,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:44" (1/1) ... [2025-03-08 13:21:44,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:44" (1/1) ... [2025-03-08 13:21:44,475 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:44" (1/1) ... [2025-03-08 13:21:44,486 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]. [2025-03-08 13:21:44,486 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:44" (1/1) ... [2025-03-08 13:21:44,486 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:44" (1/1) ... [2025-03-08 13:21:44,490 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:44" (1/1) ... [2025-03-08 13:21:44,490 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:44" (1/1) ... [2025-03-08 13:21:44,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:44" (1/1) ... [2025-03-08 13:21:44,492 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:44" (1/1) ... [2025-03-08 13:21:44,493 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 13:21:44,494 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 13:21:44,494 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 13:21:44,494 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 13:21:44,494 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:44" (1/1) ... [2025-03-08 13:21:44,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 13:21:44,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 13:21:44,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 13:21:44,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 13:21:44,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 13:21:44,538 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 13:21:44,538 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 13:21:44,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 13:21:44,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 13:21:44,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 13:21:44,596 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 13:21:44,598 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 13:21:44,766 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-03-08 13:21:44,767 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 13:21:44,774 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 13:21:44,774 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 13:21:44,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:21:44 BoogieIcfgContainer [2025-03-08 13:21:44,775 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 13:21:44,776 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 13:21:44,777 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 13:21:44,779 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 13:21:44,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 01:21:44" (1/3) ... [2025-03-08 13:21:44,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ee7655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:21:44, skipping insertion in model container [2025-03-08 13:21:44,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:44" (2/3) ... [2025-03-08 13:21:44,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ee7655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:21:44, skipping insertion in model container [2025-03-08 13:21:44,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:21:44" (3/3) ... [2025-03-08 13:21:44,781 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-18.i [2025-03-08 13:21:44,791 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 13:21:44,792 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-18.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 13:21:44,824 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 13:21:44,834 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;@f634fcf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 13:21:44,834 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 13:21:44,838 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) [2025-03-08 13:21:44,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-08 13:21:44,844 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:21:44,845 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] [2025-03-08 13:21:44,845 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:21:44,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:21:44,849 INFO L85 PathProgramCache]: Analyzing trace with hash 978714816, now seen corresponding path program 1 times [2025-03-08 13:21:44,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:21:44,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875370314] [2025-03-08 13:21:44,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:21:44,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:21:44,923 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-08 13:21:44,944 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-08 13:21:44,944 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:21:44,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:21:45,060 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-03-08 13:21:45,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 13:21:45,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875370314] [2025-03-08 13:21:45,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875370314] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 13:21:45,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629324441] [2025-03-08 13:21:45,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:21:45,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 13:21:45,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 13:21:45,064 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 13:21:45,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 13:21:45,129 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-08 13:21:45,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-08 13:21:45,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:21:45,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:21:45,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 13:21:45,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 13:21:45,213 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2025-03-08 13:21:45,213 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 13:21:45,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1629324441] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:21:45,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 13:21:45,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 13:21:45,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67353379] [2025-03-08 13:21:45,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:21:45,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 13:21:45,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 13:21:45,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 13:21:45,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 13:21:45,237 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) [2025-03-08 13:21:45,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:21:45,269 INFO L93 Difference]: Finished difference Result 106 states and 176 transitions. [2025-03-08 13:21:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 13:21:45,272 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 [2025-03-08 13:21:45,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:21:45,278 INFO L225 Difference]: With dead ends: 106 [2025-03-08 13:21:45,278 INFO L226 Difference]: Without dead ends: 53 [2025-03-08 13:21:45,283 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 [2025-03-08 13:21:45,285 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 [2025-03-08 13:21:45,285 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] [2025-03-08 13:21:45,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2025-03-08 13:21:45,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2025-03-08 13:21:45,305 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) [2025-03-08 13:21:45,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 78 transitions. [2025-03-08 13:21:45,309 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 78 transitions. Word has length 102 [2025-03-08 13:21:45,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:21:45,310 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 78 transitions. [2025-03-08 13:21:45,310 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) [2025-03-08 13:21:45,310 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2025-03-08 13:21:45,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-08 13:21:45,311 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:21:45,311 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] [2025-03-08 13:21:45,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 13:21:45,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-08 13:21:45,513 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:21:45,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:21:45,514 INFO L85 PathProgramCache]: Analyzing trace with hash 10073083, now seen corresponding path program 1 times [2025-03-08 13:21:45,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 13:21:45,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144112411] [2025-03-08 13:21:45,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:21:45,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 13:21:45,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-08 13:21:45,613 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-08 13:21:45,613 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:21:45,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 13:21:45,613 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 13:21:45,624 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-08 13:21:45,682 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-08 13:21:45,682 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:21:45,682 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 13:21:45,711 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 13:21:45,712 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 13:21:45,712 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 13:21:45,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 13:21:45,716 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-08 13:21:45,760 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 13:21:45,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 01:21:45 BoogieIcfgContainer [2025-03-08 13:21:45,764 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 13:21:45,764 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 13:21:45,764 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 13:21:45,764 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 13:21:45,765 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:21:44" (3/4) ... [2025-03-08 13:21:45,766 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-08 13:21:45,767 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 13:21:45,767 INFO L158 Benchmark]: Toolchain (without parser) took 1507.49ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 78.8MB in the end (delta: 32.8MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2025-03-08 13:21:45,767 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 13:21:45,767 INFO L158 Benchmark]: CACSL2BoogieTranslator took 180.49ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 97.9MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 13:21:45,768 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.74ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 95.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 13:21:45,768 INFO L158 Benchmark]: Boogie Preprocessor took 25.59ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 93.2MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 13:21:45,768 INFO L158 Benchmark]: IcfgBuilder took 281.25ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 75.6MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 13:21:45,768 INFO L158 Benchmark]: TraceAbstraction took 987.17ms. Allocated memory is still 142.6MB. Free memory was 75.2MB in the beginning and 78.8MB in the end (delta: -3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 13:21:45,768 INFO L158 Benchmark]: Witness Printer took 2.46ms. Allocated memory is still 142.6MB. Free memory was 78.8MB in the beginning and 78.8MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 13:21:45,769 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 180.49ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 97.9MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.74ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 95.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.59ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 93.2MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 281.25ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 75.6MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 987.17ms. Allocated memory is still 142.6MB. Free memory was 75.2MB in the beginning and 78.8MB in the end (delta: -3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.46ms. Allocated memory is still 142.6MB. Free memory was 78.8MB in the beginning and 78.8MB 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 115, overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of someBinaryFLOATComparisonOperation at line 99, overapproximation of someBinaryFLOATComparisonOperation at line 127, overapproximation of someBinaryFLOATComparisonOperation at line 117, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryFLOATComparisonOperation at line 119, overapproximation of someBinaryFLOATComparisonOperation at line 96, overapproximation of someBinaryFLOATComparisonOperation at line 101, overapproximation of someBinaryDOUBLEComparisonOperation at line 59, overapproximation of someBinaryDOUBLEComparisonOperation at line 70, overapproximation of someBinaryDOUBLEComparisonOperation at line 127, overapproximation of someBinaryDOUBLEComparisonOperation at line 65, 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, 98 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 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 [2025-03-08 13:21:45,784 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-18.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de12b38721abbf2ee8b4c90d07ef71b8582021a6b8e8e1e40a997b81e320916f --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 13:21:47,523 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 13:21:47,596 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-08 13:21:47,601 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 13:21:47,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 13:21:47,616 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 13:21:47,616 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 13:21:47,616 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 13:21:47,617 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 13:21:47,617 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 13:21:47,617 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 13:21:47,617 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 13:21:47,617 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 13:21:47,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 13:21:47,617 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 13:21:47,618 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 13:21:47,618 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 13:21:47,618 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 13:21:47,618 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 13:21:47,618 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 13:21:47,618 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 13:21:47,618 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 13:21:47,618 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 13:21:47,618 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 13:21:47,618 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-08 13:21:47,618 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-08 13:21:47,618 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 13:21:47,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 13:21:47,619 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 13:21:47,619 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 13:21:47,619 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 13:21:47,619 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 13:21:47,619 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 13:21:47,619 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 13:21:47,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 13:21:47,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 13:21:47,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 13:21:47,619 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 13:21:47,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 13:21:47,619 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-08 13:21:47,619 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-08 13:21:47,619 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 13:21:47,619 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 13:21:47,619 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 13:21:47,619 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 13:21:47,619 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/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 [2025-03-08 13:21:47,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 13:21:47,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 13:21:47,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 13:21:47,870 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 13:21:47,870 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 13:21:47,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-18.i [2025-03-08 13:21:48,979 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85ce555ef/8b8d5c4aa8f1471ebae136bc8fa07fc9/FLAGe6f7f6462 [2025-03-08 13:21:49,164 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 13:21:49,164 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-18.i [2025-03-08 13:21:49,170 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85ce555ef/8b8d5c4aa8f1471ebae136bc8fa07fc9/FLAGe6f7f6462 [2025-03-08 13:21:49,179 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85ce555ef/8b8d5c4aa8f1471ebae136bc8fa07fc9 [2025-03-08 13:21:49,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 13:21:49,182 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 13:21:49,183 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 13:21:49,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 13:21:49,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 13:21:49,187 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:21:49" (1/1) ... [2025-03-08 13:21:49,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e265e59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:49, skipping insertion in model container [2025-03-08 13:21:49,188 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 01:21:49" (1/1) ... [2025-03-08 13:21:49,198 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 13:21:49,303 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-18.i[913,926] [2025-03-08 13:21:49,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 13:21:49,378 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 13:21:49,387 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-18.i[913,926] [2025-03-08 13:21:49,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 13:21:49,433 INFO L204 MainTranslator]: Completed translation [2025-03-08 13:21:49,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:49 WrapperNode [2025-03-08 13:21:49,435 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 13:21:49,436 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 13:21:49,436 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 13:21:49,436 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 13:21:49,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:49" (1/1) ... [2025-03-08 13:21:49,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:49" (1/1) ... [2025-03-08 13:21:49,475 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 127 [2025-03-08 13:21:49,475 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 13:21:49,476 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 13:21:49,476 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 13:21:49,476 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 13:21:49,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:49" (1/1) ... [2025-03-08 13:21:49,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:49" (1/1) ... [2025-03-08 13:21:49,485 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:49" (1/1) ... [2025-03-08 13:21:49,493 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]. [2025-03-08 13:21:49,493 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:49" (1/1) ... [2025-03-08 13:21:49,493 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:49" (1/1) ... [2025-03-08 13:21:49,499 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:49" (1/1) ... [2025-03-08 13:21:49,499 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:49" (1/1) ... [2025-03-08 13:21:49,500 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:49" (1/1) ... [2025-03-08 13:21:49,501 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:49" (1/1) ... [2025-03-08 13:21:49,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 13:21:49,504 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 13:21:49,504 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 13:21:49,504 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 13:21:49,504 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:49" (1/1) ... [2025-03-08 13:21:49,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 13:21:49,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 13:21:49,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 13:21:49,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 13:21:49,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 13:21:49,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-08 13:21:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 13:21:49,556 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 13:21:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 13:21:49,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 13:21:49,617 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 13:21:49,619 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 13:22:12,466 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-03-08 13:22:12,466 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 13:22:12,474 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 13:22:12,474 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 13:22:12,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:22:12 BoogieIcfgContainer [2025-03-08 13:22:12,474 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 13:22:12,476 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 13:22:12,476 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 13:22:12,479 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 13:22:12,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 01:21:49" (1/3) ... [2025-03-08 13:22:12,481 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f8b8ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:22:12, skipping insertion in model container [2025-03-08 13:22:12,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 01:21:49" (2/3) ... [2025-03-08 13:22:12,481 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f8b8ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 01:22:12, skipping insertion in model container [2025-03-08 13:22:12,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 01:22:12" (3/3) ... [2025-03-08 13:22:12,482 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-18.i [2025-03-08 13:22:12,492 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 13:22:12,493 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-18.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 13:22:12,538 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 13:22:12,548 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;@4d0fc65e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 13:22:12,548 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 13:22:12,552 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) [2025-03-08 13:22:12,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-08 13:22:12,559 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:22:12,559 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] [2025-03-08 13:22:12,560 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:22:12,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:22:12,564 INFO L85 PathProgramCache]: Analyzing trace with hash 978714816, now seen corresponding path program 1 times [2025-03-08 13:22:12,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 13:22:12,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [392146735] [2025-03-08 13:22:12,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:22:12,574 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 [2025-03-08 13:22:12,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 13:22:12,576 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 13:22:12,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-08 13:22:12,645 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-08 13:22:13,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-08 13:22:13,633 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:22:13,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:22:13,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 13:22:13,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 13:22:13,721 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2025-03-08 13:22:13,721 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 13:22:13,721 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 13:22:13,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [392146735] [2025-03-08 13:22:13,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [392146735] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 13:22:13,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 13:22:13,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 13:22:13,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231973134] [2025-03-08 13:22:13,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 13:22:13,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 13:22:13,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 13:22:13,736 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 13:22:13,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 13:22:13,738 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) [2025-03-08 13:22:13,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 13:22:13,752 INFO L93 Difference]: Finished difference Result 106 states and 176 transitions. [2025-03-08 13:22:13,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 13:22:13,753 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 [2025-03-08 13:22:13,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 13:22:13,758 INFO L225 Difference]: With dead ends: 106 [2025-03-08 13:22:13,759 INFO L226 Difference]: Without dead ends: 53 [2025-03-08 13:22:13,761 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 [2025-03-08 13:22:13,764 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 [2025-03-08 13:22:13,766 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] [2025-03-08 13:22:13,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2025-03-08 13:22:13,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2025-03-08 13:22:13,785 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) [2025-03-08 13:22:13,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 78 transitions. [2025-03-08 13:22:13,789 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 78 transitions. Word has length 102 [2025-03-08 13:22:13,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 13:22:13,789 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 78 transitions. [2025-03-08 13:22:13,789 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) [2025-03-08 13:22:13,789 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2025-03-08 13:22:13,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-08 13:22:13,791 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 13:22:13,791 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] [2025-03-08 13:22:13,819 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-03-08 13:22:13,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-08 13:22:13,992 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 13:22:13,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 13:22:13,993 INFO L85 PathProgramCache]: Analyzing trace with hash 10073083, now seen corresponding path program 1 times [2025-03-08 13:22:13,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 13:22:13,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1625467656] [2025-03-08 13:22:13,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 13:22:13,993 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 [2025-03-08 13:22:13,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 13:22:13,995 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-08 13:22:13,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-03-08 13:22:14,036 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-08 13:22:15,152 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-08 13:22:15,152 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 13:22:15,152 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 13:22:15,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-03-08 13:22:15,202 INFO L279 TraceCheckSpWp]: Computing forward predicates...