./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-17.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-17.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d57f7f362b600066c4a4932824c94646446bdcbd9ecdad935cd626673dca9b2a --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 00:20:13,672 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 00:20:13,738 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-06 00:20:13,749 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 00:20:13,750 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 00:20:13,772 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 00:20:13,773 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 00:20:13,773 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 00:20:13,773 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 00:20:13,773 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 00:20:13,774 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 00:20:13,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 00:20:13,774 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 00:20:13,774 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 00:20:13,774 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 00:20:13,774 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 00:20:13,775 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 00:20:13,775 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 00:20:13,775 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 00:20:13,775 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 00:20:13,775 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 00:20:13,775 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 00:20:13,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 00:20:13,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 00:20:13,776 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 00:20:13,776 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 00:20:13,776 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 00:20:13,776 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 00:20:13,776 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 00:20:13,776 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 00:20:13,777 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 00:20:13,777 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 00:20:13,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 00:20:13,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 00:20:13,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 00:20:13,777 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 00:20:13,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 00:20:13,777 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 00:20:13,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 00:20:13,778 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 00:20:13,778 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 00:20:13,778 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 00:20:13,778 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 00:20:13,778 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d57f7f362b600066c4a4932824c94646446bdcbd9ecdad935cd626673dca9b2a [2025-02-06 00:20:14,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 00:20:14,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 00:20:14,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 00:20:14,076 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 00:20:14,076 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 00:20:14,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-17.i [2025-02-06 00:20:15,411 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/654652a48/a06a35fdcead4cccba3ee2798ba3f2d2/FLAG3c825705a [2025-02-06 00:20:15,683 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 00:20:15,684 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-17.i [2025-02-06 00:20:15,691 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/654652a48/a06a35fdcead4cccba3ee2798ba3f2d2/FLAG3c825705a [2025-02-06 00:20:15,991 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/654652a48/a06a35fdcead4cccba3ee2798ba3f2d2 [2025-02-06 00:20:15,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 00:20:15,995 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 00:20:15,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 00:20:15,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 00:20:16,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 00:20:16,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:20:15" (1/1) ... [2025-02-06 00:20:16,001 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d850ece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:16, skipping insertion in model container [2025-02-06 00:20:16,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:20:15" (1/1) ... [2025-02-06 00:20:16,018 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 00:20:16,155 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-17.i[917,930] [2025-02-06 00:20:16,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 00:20:16,229 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 00:20:16,238 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-17.i[917,930] [2025-02-06 00:20:16,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 00:20:16,293 INFO L204 MainTranslator]: Completed translation [2025-02-06 00:20:16,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:16 WrapperNode [2025-02-06 00:20:16,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 00:20:16,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 00:20:16,295 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 00:20:16,295 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 00:20:16,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:16" (1/1) ... [2025-02-06 00:20:16,311 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:16" (1/1) ... [2025-02-06 00:20:16,343 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2025-02-06 00:20:16,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 00:20:16,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 00:20:16,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 00:20:16,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 00:20:16,355 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:16" (1/1) ... [2025-02-06 00:20:16,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:16" (1/1) ... [2025-02-06 00:20:16,357 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:16" (1/1) ... [2025-02-06 00:20:16,371 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-06 00:20:16,372 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:16" (1/1) ... [2025-02-06 00:20:16,372 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:16" (1/1) ... [2025-02-06 00:20:16,377 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:16" (1/1) ... [2025-02-06 00:20:16,381 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:16" (1/1) ... [2025-02-06 00:20:16,383 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:16" (1/1) ... [2025-02-06 00:20:16,383 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:16" (1/1) ... [2025-02-06 00:20:16,386 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 00:20:16,391 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 00:20:16,391 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 00:20:16,391 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 00:20:16,392 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:16" (1/1) ... [2025-02-06 00:20:16,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 00:20:16,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 00:20:16,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 00:20:16,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 00:20:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 00:20:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 00:20:16,447 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 00:20:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 00:20:16,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 00:20:16,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 00:20:16,520 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 00:20:16,522 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 00:20:16,754 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2025-02-06 00:20:16,755 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 00:20:16,766 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 00:20:16,767 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 00:20:16,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:20:16 BoogieIcfgContainer [2025-02-06 00:20:16,768 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 00:20:16,770 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 00:20:16,771 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 00:20:16,775 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 00:20:16,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 12:20:15" (1/3) ... [2025-02-06 00:20:16,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@411ee8ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:20:16, skipping insertion in model container [2025-02-06 00:20:16,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:16" (2/3) ... [2025-02-06 00:20:16,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@411ee8ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:20:16, skipping insertion in model container [2025-02-06 00:20:16,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:20:16" (3/3) ... [2025-02-06 00:20:16,778 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-17.i [2025-02-06 00:20:16,791 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 00:20:16,793 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-17.i that has 2 procedures, 52 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 00:20:16,850 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 00:20:16,860 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;@2e13db3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 00:20:16,860 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 00:20:16,863 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-06 00:20:16,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-06 00:20:16,871 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 00:20:16,872 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 00:20:16,872 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 00:20:16,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 00:20:16,877 INFO L85 PathProgramCache]: Analyzing trace with hash 747818941, now seen corresponding path program 1 times [2025-02-06 00:20:16,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 00:20:16,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551390592] [2025-02-06 00:20:16,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:20:16,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 00:20:16,986 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-06 00:20:17,004 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-06 00:20:17,004 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:20:17,005 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:20:17,103 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2025-02-06 00:20:17,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 00:20:17,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551390592] [2025-02-06 00:20:17,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551390592] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 00:20:17,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158661386] [2025-02-06 00:20:17,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:20:17,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 00:20:17,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 00:20:17,107 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 00:20:17,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 00:20:17,204 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-06 00:20:17,281 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-06 00:20:17,282 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:20:17,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:20:17,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 00:20:17,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 00:20:17,318 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2025-02-06 00:20:17,318 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 00:20:17,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158661386] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 00:20:17,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 00:20:17,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 00:20:17,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190470388] [2025-02-06 00:20:17,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 00:20:17,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 00:20:17,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 00:20:17,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 00:20:17,350 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 00:20:17,352 INFO L87 Difference]: Start difference. First operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2025-02-06 00:20:17,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 00:20:17,374 INFO L93 Difference]: Finished difference Result 98 states and 163 transitions. [2025-02-06 00:20:17,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 00:20:17,376 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 104 [2025-02-06 00:20:17,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 00:20:17,382 INFO L225 Difference]: With dead ends: 98 [2025-02-06 00:20:17,383 INFO L226 Difference]: Without dead ends: 49 [2025-02-06 00:20:17,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 00:20:17,387 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 00:20:17,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 00:20:17,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2025-02-06 00:20:17,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2025-02-06 00:20:17,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-06 00:20:17,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2025-02-06 00:20:17,423 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 104 [2025-02-06 00:20:17,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 00:20:17,423 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2025-02-06 00:20:17,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2025-02-06 00:20:17,424 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2025-02-06 00:20:17,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-06 00:20:17,426 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 00:20:17,426 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 00:20:17,433 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 00:20:17,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 00:20:17,628 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 00:20:17,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 00:20:17,629 INFO L85 PathProgramCache]: Analyzing trace with hash 161450489, now seen corresponding path program 1 times [2025-02-06 00:20:17,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 00:20:17,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079869780] [2025-02-06 00:20:17,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:20:17,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 00:20:17,675 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-06 00:20:17,809 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-06 00:20:17,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:20:17,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 00:20:17,809 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 00:20:17,824 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-06 00:20:17,878 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-06 00:20:17,878 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:20:17,878 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 00:20:17,921 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 00:20:17,921 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 00:20:17,922 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-06 00:20:17,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 00:20:17,927 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-06 00:20:18,000 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 00:20:18,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 12:20:18 BoogieIcfgContainer [2025-02-06 00:20:18,003 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 00:20:18,004 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 00:20:18,004 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 00:20:18,004 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 00:20:18,005 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:20:16" (3/4) ... [2025-02-06 00:20:18,006 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 00:20:18,007 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 00:20:18,008 INFO L158 Benchmark]: Toolchain (without parser) took 2012.69ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 91.6MB in the end (delta: 22.7MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2025-02-06 00:20:18,008 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 201.3MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 00:20:18,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.47ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 101.1MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 00:20:18,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.08ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 98.7MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 00:20:18,009 INFO L158 Benchmark]: Boogie Preprocessor took 42.97ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 96.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 00:20:18,009 INFO L158 Benchmark]: IcfgBuilder took 376.73ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 80.1MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 00:20:18,009 INFO L158 Benchmark]: TraceAbstraction took 1233.03ms. Allocated memory is still 142.6MB. Free memory was 79.6MB in the beginning and 91.6MB in the end (delta: -12.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 00:20:18,012 INFO L158 Benchmark]: Witness Printer took 3.33ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 91.6MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 00:20:18,014 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 201.3MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.47ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 101.1MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.08ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 98.7MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.97ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 96.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 376.73ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 80.1MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1233.03ms. Allocated memory is still 142.6MB. Free memory was 79.6MB in the beginning and 91.6MB in the end (delta: -12.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.33ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 91.6MB 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 53, overapproximation of someBinaryFLOATComparisonOperation at line 103, overapproximation of someBinaryDOUBLEComparisonOperation at line 103, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 66, overapproximation of someBinaryDOUBLEComparisonOperation at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 55, overapproximation of someBinaryDOUBLEComparisonOperation at line 83, overapproximation of someBinaryDOUBLEComparisonOperation at line 81, overapproximation of someBinaryDOUBLEComparisonOperation at line 79. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 10000000.8; [L23] unsigned char var_1_2 = 0; [L24] double var_1_3 = 16.2; [L25] double var_1_4 = 7.5; [L26] double var_1_5 = 49.6; [L27] signed short int var_1_6 = -10; [L28] double var_1_7 = 4.5; [L29] double var_1_8 = 9.4; [L30] signed short int var_1_9 = 128; [L31] signed short int var_1_10 = 128; [L32] unsigned char var_1_11 = 0; [L33] unsigned long int var_1_12 = 100; [L34] float var_1_13 = 128.4; [L35] double var_1_14 = 3.5; [L36] unsigned char var_1_15 = 16; [L37] unsigned char var_1_16 = 2; [L38] unsigned char last_1_var_1_15 = 16; VAL [isInitial=0, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=0, var_1_3=81/5, var_1_4=15/2, var_1_5=248/5, var_1_6=-10, var_1_7=9/2, var_1_8=47/5, var_1_9=128] [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] CALL updateLastVariables() [L100] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=0, var_1_3=81/5, var_1_4=15/2, var_1_5=248/5, var_1_6=-10, var_1_7=9/2, var_1_8=47/5, var_1_9=128] [L110] RET updateLastVariables() [L111] CALL updateVariables() [L71] var_1_2 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_3=81/5, var_1_4=15/2, var_1_5=248/5, var_1_6=-10, var_1_7=9/2, var_1_8=47/5, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_3=81/5, var_1_4=15/2, var_1_5=248/5, var_1_6=-10, var_1_7=9/2, var_1_8=47/5, var_1_9=128] [L72] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_3=81/5, var_1_4=15/2, var_1_5=248/5, var_1_6=-10, var_1_7=9/2, var_1_8=47/5, var_1_9=128] [L73] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_3=81/5, var_1_4=15/2, var_1_5=248/5, var_1_6=-10, var_1_7=9/2, var_1_8=47/5, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_3=81/5, var_1_4=15/2, var_1_5=248/5, var_1_6=-10, var_1_7=9/2, var_1_8=47/5, var_1_9=128] [L73] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_3=81/5, var_1_4=15/2, var_1_5=248/5, var_1_6=-10, var_1_7=9/2, var_1_8=47/5, var_1_9=128] [L74] var_1_3 = __VERIFIER_nondet_double() [L75] CALL assume_abort_if_not((var_1_3 >= -461168.6018427382800e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 4611686.018427382800e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_4=15/2, var_1_5=248/5, var_1_6=-10, var_1_7=9/2, var_1_8=47/5, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_4=15/2, var_1_5=248/5, var_1_6=-10, var_1_7=9/2, var_1_8=47/5, var_1_9=128] [L75] RET assume_abort_if_not((var_1_3 >= -461168.6018427382800e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 4611686.018427382800e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_4=15/2, var_1_5=248/5, var_1_6=-10, var_1_7=9/2, var_1_8=47/5, var_1_9=128] [L76] var_1_4 = __VERIFIER_nondet_double() [L77] CALL assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_5=248/5, var_1_6=-10, var_1_7=9/2, var_1_8=47/5, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_5=248/5, var_1_6=-10, var_1_7=9/2, var_1_8=47/5, var_1_9=128] [L77] RET assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_5=248/5, var_1_6=-10, var_1_7=9/2, var_1_8=47/5, var_1_9=128] [L78] var_1_5 = __VERIFIER_nondet_double() [L79] CALL assume_abort_if_not((var_1_5 >= -230584.3009213691390e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 2305843.009213691390e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_7=9/2, var_1_8=47/5, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_7=9/2, var_1_8=47/5, var_1_9=128] [L79] RET assume_abort_if_not((var_1_5 >= -230584.3009213691390e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 2305843.009213691390e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_7=9/2, var_1_8=47/5, var_1_9=128] [L80] var_1_7 = __VERIFIER_nondet_double() [L81] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_8=47/5, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_8=47/5, var_1_9=128] [L81] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_8=47/5, var_1_9=128] [L82] var_1_8 = __VERIFIER_nondet_double() [L83] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=128] [L83] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=128] [L84] var_1_9 = __VERIFIER_nondet_short() [L85] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L85] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L86] CALL assume_abort_if_not(var_1_9 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L86] RET assume_abort_if_not(var_1_9 <= 16383) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=128, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L87] var_1_10 = __VERIFIER_nondet_short() [L88] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L88] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L89] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L89] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L90] var_1_11 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L91] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L92] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L92] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_14=7/2, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L93] var_1_14 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L94] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_15=16, var_1_16=2, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L95] var_1_16 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_15=16, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_15=16, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L96] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_15=16, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L97] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_15=16, var_1_16=254, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_15=16, var_1_16=254, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L97] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=0, var_1_12=100, var_1_13=642/5, var_1_15=16, var_1_16=254, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L111] RET updateVariables() [L112] CALL step() [L42] var_1_12 = last_1_var_1_15 [L43] unsigned long int stepLocal_1 = var_1_12; [L44] signed short int stepLocal_0 = var_1_9; VAL [isInitial=1, last_1_var_1_15=16, stepLocal_0=16383, stepLocal_1=16, var_1_10=16384, var_1_11=0, var_1_12=16, var_1_13=642/5, var_1_15=16, var_1_16=254, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L45] COND FALSE !(stepLocal_0 >= var_1_10) VAL [isInitial=1, last_1_var_1_15=16, stepLocal_1=16, var_1_10=16384, var_1_11=0, var_1_12=16, var_1_13=642/5, var_1_15=16, var_1_16=254, var_1_1=50000004/5, var_1_2=1, var_1_6=-10, var_1_9=16383] [L52] COND TRUE \read(var_1_2) [L53] var_1_1 = (var_1_3 + ((((var_1_4) < ((49.5 + var_1_5))) ? (var_1_4) : ((49.5 + var_1_5))))) VAL [isInitial=1, last_1_var_1_15=16, stepLocal_1=16, var_1_10=16384, var_1_11=0, var_1_12=16, var_1_13=642/5, var_1_15=16, var_1_16=254, var_1_2=1, var_1_6=-10, var_1_9=16383] [L55] COND TRUE (- (var_1_7 - var_1_8)) <= var_1_3 [L56] var_1_6 = ((8 + var_1_15) - var_1_15) VAL [isInitial=1, last_1_var_1_15=16, stepLocal_1=16, var_1_10=16384, var_1_11=0, var_1_12=16, var_1_13=642/5, var_1_15=16, var_1_16=254, var_1_2=1, var_1_6=8, var_1_9=16383] [L66] COND TRUE var_1_7 < (var_1_8 - var_1_14) [L67] var_1_13 = ((((var_1_4) > (((((((((127.4f) > (var_1_5)) ? (127.4f) : (var_1_5)))) > (var_1_3)) ? (((((127.4f) > (var_1_5)) ? (127.4f) : (var_1_5)))) : (var_1_3))))) ? (var_1_4) : (((((((((127.4f) > (var_1_5)) ? (127.4f) : (var_1_5)))) > (var_1_3)) ? (((((127.4f) > (var_1_5)) ? (127.4f) : (var_1_5)))) : (var_1_3)))))) VAL [isInitial=1, last_1_var_1_15=16, stepLocal_1=16, var_1_10=16384, var_1_11=0, var_1_12=16, var_1_13=637/5, var_1_15=16, var_1_16=254, var_1_2=1, var_1_3=637/5, var_1_4=637/5, var_1_5=637/5, var_1_6=8, var_1_9=16383] [L112] RET step() [L113] CALL, EXPR property() [L103-L104] return ((((var_1_2 ? (var_1_1 == ((double) (var_1_3 + ((((var_1_4) < ((49.5 + var_1_5))) ? (var_1_4) : ((49.5 + var_1_5))))))) : 1) && (((- (var_1_7 - var_1_8)) <= var_1_3) ? (var_1_6 == ((signed short int) ((8 + var_1_15) - var_1_15))) : (var_1_2 ? (var_1_11 ? (var_1_6 == ((signed short int) var_1_15)) : 1) : (var_1_6 == ((signed short int) var_1_15))))) && (var_1_12 == ((unsigned long int) last_1_var_1_15))) && ((var_1_7 < (var_1_8 - var_1_14)) ? (var_1_13 == ((float) ((((var_1_4) > (((((((((127.4f) > (var_1_5)) ? (127.4f) : (var_1_5)))) > (var_1_3)) ? (((((127.4f) > (var_1_5)) ? (127.4f) : (var_1_5)))) : (var_1_3))))) ? (var_1_4) : (((((((((127.4f) > (var_1_5)) ? (127.4f) : (var_1_5)))) > (var_1_3)) ? (((((127.4f) > (var_1_5)) ? (127.4f) : (var_1_5)))) : (var_1_3)))))))) : 1)) && ((var_1_9 >= var_1_10) ? (((var_1_9 + last_1_var_1_15) >= var_1_12) ? (var_1_15 == ((unsigned char) var_1_16)) : (var_1_15 == ((unsigned char) var_1_16))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=0, var_1_12=16, var_1_13=637/5, var_1_15=16, var_1_16=254, var_1_2=1, var_1_3=637/5, var_1_4=637/5, var_1_5=637/5, var_1_6=8, var_1_9=16383] [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=0, var_1_12=16, var_1_13=637/5, var_1_15=16, var_1_16=254, var_1_2=1, var_1_3=637/5, var_1_4=637/5, var_1_5=637/5, var_1_6=8, var_1_9=16383] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=16, var_1_10=16384, var_1_11=0, var_1_12=16, var_1_13=637/5, var_1_15=16, var_1_16=254, var_1_2=1, var_1_3=637/5, var_1_4=637/5, var_1_5=637/5, var_1_6=8, var_1_9=16383] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 16, 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, 71 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 71 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 312 NumberOfCodeBlocks, 312 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 206 ConstructedInterpolants, 0 QuantifiedInterpolants, 206 SizeOfPredicates, 0 NumberOfNonLiveVariables, 246 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 930/960 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-02-06 00:20:18,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-17.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d57f7f362b600066c4a4932824c94646446bdcbd9ecdad935cd626673dca9b2a --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 00:20:20,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 00:20:20,395 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-06 00:20:20,402 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 00:20:20,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 00:20:20,421 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 00:20:20,422 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 00:20:20,422 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 00:20:20,422 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 00:20:20,422 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 00:20:20,422 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 00:20:20,422 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 00:20:20,423 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 00:20:20,423 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 00:20:20,423 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 00:20:20,423 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 00:20:20,423 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 00:20:20,423 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 00:20:20,423 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 00:20:20,423 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 00:20:20,423 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 00:20:20,423 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 00:20:20,423 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 00:20:20,424 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 00:20:20,424 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-06 00:20:20,424 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-06 00:20:20,424 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 00:20:20,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 00:20:20,424 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 00:20:20,424 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 00:20:20,424 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 00:20:20,424 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 00:20:20,424 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 00:20:20,424 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 00:20:20,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 00:20:20,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 00:20:20,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 00:20:20,425 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 00:20:20,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 00:20:20,425 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-06 00:20:20,425 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-06 00:20:20,425 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 00:20:20,425 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 00:20:20,425 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 00:20:20,425 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 00:20:20,425 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d57f7f362b600066c4a4932824c94646446bdcbd9ecdad935cd626673dca9b2a [2025-02-06 00:20:20,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 00:20:20,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 00:20:20,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 00:20:20,765 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 00:20:20,766 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 00:20:20,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-17.i [2025-02-06 00:20:22,037 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1f8edbb56/11aa74fb96aa44788f7c70747a0aee46/FLAGd5dcf2dbe [2025-02-06 00:20:22,275 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 00:20:22,276 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-17.i [2025-02-06 00:20:22,283 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1f8edbb56/11aa74fb96aa44788f7c70747a0aee46/FLAGd5dcf2dbe [2025-02-06 00:20:22,607 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1f8edbb56/11aa74fb96aa44788f7c70747a0aee46 [2025-02-06 00:20:22,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 00:20:22,611 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 00:20:22,612 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 00:20:22,612 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 00:20:22,615 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 00:20:22,615 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:20:22" (1/1) ... [2025-02-06 00:20:22,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fd6d579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:22, skipping insertion in model container [2025-02-06 00:20:22,616 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:20:22" (1/1) ... [2025-02-06 00:20:22,629 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 00:20:22,771 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-17.i[917,930] [2025-02-06 00:20:22,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 00:20:22,850 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 00:20:22,859 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-17.i[917,930] [2025-02-06 00:20:22,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 00:20:22,897 INFO L204 MainTranslator]: Completed translation [2025-02-06 00:20:22,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:22 WrapperNode [2025-02-06 00:20:22,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 00:20:22,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 00:20:22,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 00:20:22,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 00:20:22,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:22" (1/1) ... [2025-02-06 00:20:22,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:22" (1/1) ... [2025-02-06 00:20:22,938 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2025-02-06 00:20:22,939 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 00:20:22,939 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 00:20:22,939 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 00:20:22,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 00:20:22,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:22" (1/1) ... [2025-02-06 00:20:22,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:22" (1/1) ... [2025-02-06 00:20:22,950 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:22" (1/1) ... [2025-02-06 00:20:22,962 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-06 00:20:22,962 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:22" (1/1) ... [2025-02-06 00:20:22,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:22" (1/1) ... [2025-02-06 00:20:22,970 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:22" (1/1) ... [2025-02-06 00:20:22,972 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:22" (1/1) ... [2025-02-06 00:20:22,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:22" (1/1) ... [2025-02-06 00:20:22,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:22" (1/1) ... [2025-02-06 00:20:22,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 00:20:22,978 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 00:20:22,978 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 00:20:22,978 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 00:20:22,979 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:22" (1/1) ... [2025-02-06 00:20:22,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 00:20:22,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 00:20:23,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 00:20:23,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 00:20:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 00:20:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-06 00:20:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 00:20:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 00:20:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 00:20:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 00:20:23,110 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 00:20:23,111 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 00:20:29,203 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2025-02-06 00:20:29,203 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 00:20:29,211 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 00:20:29,212 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 00:20:29,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:20:29 BoogieIcfgContainer [2025-02-06 00:20:29,212 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 00:20:29,214 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 00:20:29,214 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 00:20:29,219 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 00:20:29,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 12:20:22" (1/3) ... [2025-02-06 00:20:29,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d71a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:20:29, skipping insertion in model container [2025-02-06 00:20:29,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:20:22" (2/3) ... [2025-02-06 00:20:29,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d71a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:20:29, skipping insertion in model container [2025-02-06 00:20:29,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:20:29" (3/3) ... [2025-02-06 00:20:29,223 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-17.i [2025-02-06 00:20:29,232 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 00:20:29,234 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-17.i that has 2 procedures, 52 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 00:20:29,274 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 00:20:29,284 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;@7e7268c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 00:20:29,284 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 00:20:29,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-06 00:20:29,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-06 00:20:29,298 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 00:20:29,299 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 00:20:29,299 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 00:20:29,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 00:20:29,305 INFO L85 PathProgramCache]: Analyzing trace with hash 747818941, now seen corresponding path program 1 times [2025-02-06 00:20:29,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 00:20:29,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [186557784] [2025-02-06 00:20:29,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:20:29,314 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-06 00:20:29,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 00:20:29,317 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-06 00:20:29,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-02-06 00:20:29,388 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-06 00:20:29,715 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-06 00:20:29,716 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:20:29,716 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:20:29,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 00:20:29,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 00:20:29,771 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2025-02-06 00:20:29,771 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 00:20:29,772 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 00:20:29,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [186557784] [2025-02-06 00:20:29,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [186557784] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 00:20:29,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 00:20:29,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 00:20:29,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176949828] [2025-02-06 00:20:29,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 00:20:29,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 00:20:29,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 00:20:29,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 00:20:29,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 00:20:29,799 INFO L87 Difference]: Start difference. First operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2025-02-06 00:20:29,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 00:20:29,850 INFO L93 Difference]: Finished difference Result 98 states and 163 transitions. [2025-02-06 00:20:29,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 00:20:29,853 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 104 [2025-02-06 00:20:29,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 00:20:29,859 INFO L225 Difference]: With dead ends: 98 [2025-02-06 00:20:29,859 INFO L226 Difference]: Without dead ends: 49 [2025-02-06 00:20:29,864 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 00:20:29,866 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 00:20:29,866 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 00:20:29,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2025-02-06 00:20:29,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2025-02-06 00:20:29,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-06 00:20:29,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2025-02-06 00:20:29,904 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 104 [2025-02-06 00:20:29,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 00:20:29,905 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2025-02-06 00:20:29,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2025-02-06 00:20:29,905 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2025-02-06 00:20:29,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-06 00:20:29,909 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 00:20:29,909 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 00:20:29,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2025-02-06 00:20:30,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-06 00:20:30,110 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 00:20:30,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 00:20:30,111 INFO L85 PathProgramCache]: Analyzing trace with hash 161450489, now seen corresponding path program 1 times [2025-02-06 00:20:30,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 00:20:30,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1876669837] [2025-02-06 00:20:30,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:20:30,112 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-02-06 00:20:30,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 00:20:30,114 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-02-06 00:20:30,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2025-02-06 00:20:30,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-06 00:20:30,567 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-06 00:20:30,568 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:20:30,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:20:30,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-02-06 00:20:30,595 INFO L279 TraceCheckSpWp]: Computing forward predicates...