./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-77.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-77.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 05e55e7927e1460c3cc7e57cdfa44997b5dd9aa1227de66e65f3a2691e6d4f4a --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 00:28:12,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 00:28:12,803 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-06 00:28:12,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 00:28:12,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 00:28:12,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 00:28:12,842 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 00:28:12,842 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 00:28:12,843 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 00:28:12,843 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 00:28:12,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 00:28:12,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 00:28:12,844 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 00:28:12,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 00:28:12,844 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 00:28:12,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 00:28:12,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 00:28:12,845 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 00:28:12,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 00:28:12,845 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 00:28:12,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 00:28:12,846 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 00:28:12,846 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 00:28:12,846 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 00:28:12,846 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 00:28:12,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 00:28:12,846 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 00:28:12,846 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 00:28:12,846 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 00:28:12,847 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 00:28:12,847 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 00:28:12,847 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 00:28:12,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 00:28:12,848 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 00:28:12,848 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 00:28:12,848 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 00:28:12,848 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 00:28:12,848 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 00:28:12,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 00:28:12,848 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 00:28:12,848 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 00:28:12,848 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 00:28:12,849 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 00:28:12,849 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 -> 05e55e7927e1460c3cc7e57cdfa44997b5dd9aa1227de66e65f3a2691e6d4f4a [2025-02-06 00:28:13,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 00:28:13,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 00:28:13,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 00:28:13,157 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 00:28:13,157 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 00:28:13,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-77.i [2025-02-06 00:28:14,523 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/005f6059c/c5692e4f1c01419b968c89c6e824bd82/FLAG375f6b01a [2025-02-06 00:28:14,796 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 00:28:14,796 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-77.i [2025-02-06 00:28:14,806 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/005f6059c/c5692e4f1c01419b968c89c6e824bd82/FLAG375f6b01a [2025-02-06 00:28:14,825 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/005f6059c/c5692e4f1c01419b968c89c6e824bd82 [2025-02-06 00:28:14,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 00:28:14,830 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 00:28:14,831 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 00:28:14,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 00:28:14,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 00:28:14,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:28:14" (1/1) ... [2025-02-06 00:28:14,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13491ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:14, skipping insertion in model container [2025-02-06 00:28:14,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:28:14" (1/1) ... [2025-02-06 00:28:14,857 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 00:28:14,986 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-77.i[917,930] [2025-02-06 00:28:15,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 00:28:15,036 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 00:28:15,051 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-77.i[917,930] [2025-02-06 00:28:15,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 00:28:15,100 INFO L204 MainTranslator]: Completed translation [2025-02-06 00:28:15,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:15 WrapperNode [2025-02-06 00:28:15,102 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 00:28:15,103 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 00:28:15,103 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 00:28:15,103 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 00:28:15,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:15" (1/1) ... [2025-02-06 00:28:15,116 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:15" (1/1) ... [2025-02-06 00:28:15,141 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2025-02-06 00:28:15,141 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 00:28:15,142 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 00:28:15,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 00:28:15,142 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 00:28:15,150 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:15" (1/1) ... [2025-02-06 00:28:15,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:15" (1/1) ... [2025-02-06 00:28:15,153 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:15" (1/1) ... [2025-02-06 00:28:15,170 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 00:28:15,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:15" (1/1) ... [2025-02-06 00:28:15,171 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:15" (1/1) ... [2025-02-06 00:28:15,176 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:15" (1/1) ... [2025-02-06 00:28:15,176 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:15" (1/1) ... [2025-02-06 00:28:15,181 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:15" (1/1) ... [2025-02-06 00:28:15,181 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:15" (1/1) ... [2025-02-06 00:28:15,183 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 00:28:15,187 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 00:28:15,187 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 00:28:15,187 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 00:28:15,188 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:15" (1/1) ... [2025-02-06 00:28:15,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 00:28:15,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 00:28:15,218 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 00:28:15,224 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 00:28:15,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 00:28:15,244 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 00:28:15,244 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 00:28:15,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 00:28:15,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 00:28:15,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 00:28:15,319 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 00:28:15,321 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 00:28:15,577 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-02-06 00:28:15,578 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 00:28:15,590 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 00:28:15,591 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 00:28:15,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:28:15 BoogieIcfgContainer [2025-02-06 00:28:15,591 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 00:28:15,593 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 00:28:15,593 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 00:28:15,599 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 00:28:15,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 12:28:14" (1/3) ... [2025-02-06 00:28:15,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc459ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:28:15, skipping insertion in model container [2025-02-06 00:28:15,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:15" (2/3) ... [2025-02-06 00:28:15,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc459ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:28:15, skipping insertion in model container [2025-02-06 00:28:15,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:28:15" (3/3) ... [2025-02-06 00:28:15,603 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-77.i [2025-02-06 00:28:15,617 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 00:28:15,619 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-77.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 00:28:15,674 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 00:28:15,687 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;@14db2f8f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 00:28:15,687 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 00:28:15,691 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 00:28:15,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-02-06 00:28:15,698 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 00:28:15,699 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:28:15,699 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 00:28:15,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 00:28:15,704 INFO L85 PathProgramCache]: Analyzing trace with hash 526840411, now seen corresponding path program 1 times [2025-02-06 00:28:15,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 00:28:15,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434386774] [2025-02-06 00:28:15,712 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:28:15,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 00:28:15,796 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-02-06 00:28:15,818 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-02-06 00:28:15,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:28:15,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:28:15,985 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2025-02-06 00:28:15,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 00:28:15,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434386774] [2025-02-06 00:28:15,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434386774] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 00:28:15,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464739465] [2025-02-06 00:28:15,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:28:15,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 00:28:15,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 00:28:15,991 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 00:28:15,992 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 00:28:16,055 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-02-06 00:28:16,121 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-02-06 00:28:16,121 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:28:16,121 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:28:16,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 00:28:16,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 00:28:16,164 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2025-02-06 00:28:16,165 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 00:28:16,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464739465] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 00:28:16,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 00:28:16,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 00:28:16,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154873271] [2025-02-06 00:28:16,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 00:28:16,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 00:28:16,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 00:28:16,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 00:28:16,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 00:28:16,194 INFO L87 Difference]: Start difference. First operand has 54 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2025-02-06 00:28:16,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 00:28:16,219 INFO L93 Difference]: Finished difference Result 102 states and 171 transitions. [2025-02-06 00:28:16,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 00:28:16,221 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 115 [2025-02-06 00:28:16,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 00:28:16,227 INFO L225 Difference]: With dead ends: 102 [2025-02-06 00:28:16,228 INFO L226 Difference]: Without dead ends: 51 [2025-02-06 00:28:16,231 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 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 00:28:16,234 INFO L435 NwaCegarLoop]: 74 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, 74 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 00:28:16,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 00:28:16,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2025-02-06 00:28:16,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2025-02-06 00:28:16,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 00:28:16,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2025-02-06 00:28:16,277 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 115 [2025-02-06 00:28:16,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 00:28:16,277 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2025-02-06 00:28:16,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2025-02-06 00:28:16,278 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2025-02-06 00:28:16,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-02-06 00:28:16,281 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 00:28:16,281 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:28:16,288 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 00:28:16,483 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 00:28:16,483 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 00:28:16,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 00:28:16,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1921092087, now seen corresponding path program 1 times [2025-02-06 00:28:16,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 00:28:16,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071377468] [2025-02-06 00:28:16,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:28:16,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 00:28:16,506 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-02-06 00:28:16,662 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-02-06 00:28:16,663 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:28:16,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 00:28:16,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [376097243] [2025-02-06 00:28:16,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:28:16,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 00:28:16,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 00:28:16,676 INFO L229 MonitoredProcess]: Starting monitored process 3 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 00:28:16,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 00:28:16,771 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-02-06 00:28:16,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-02-06 00:28:16,822 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:28:16,822 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 00:28:16,822 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 00:28:16,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-02-06 00:28:16,870 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-02-06 00:28:16,870 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:28:16,870 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 00:28:16,927 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 00:28:16,928 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 00:28:16,929 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-06 00:28:16,938 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 00:28:17,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 00:28:17,133 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-06 00:28:17,202 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 00:28:17,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 12:28:17 BoogieIcfgContainer [2025-02-06 00:28:17,207 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 00:28:17,208 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 00:28:17,208 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 00:28:17,208 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 00:28:17,209 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:28:15" (3/4) ... [2025-02-06 00:28:17,210 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 00:28:17,211 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 00:28:17,211 INFO L158 Benchmark]: Toolchain (without parser) took 2381.32ms. Allocated memory is still 167.8MB. Free memory was 132.1MB in the beginning and 109.4MB in the end (delta: 22.7MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2025-02-06 00:28:17,212 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 00:28:17,212 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.87ms. Allocated memory is still 167.8MB. Free memory was 132.1MB in the beginning and 118.8MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 00:28:17,212 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.45ms. Allocated memory is still 167.8MB. Free memory was 118.8MB in the beginning and 116.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 00:28:17,212 INFO L158 Benchmark]: Boogie Preprocessor took 41.66ms. Allocated memory is still 167.8MB. Free memory was 116.1MB in the beginning and 112.8MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 00:28:17,212 INFO L158 Benchmark]: IcfgBuilder took 404.16ms. Allocated memory is still 167.8MB. Free memory was 112.8MB in the beginning and 95.4MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 00:28:17,213 INFO L158 Benchmark]: TraceAbstraction took 1614.14ms. Allocated memory is still 167.8MB. Free memory was 95.0MB in the beginning and 109.4MB in the end (delta: -14.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 00:28:17,213 INFO L158 Benchmark]: Witness Printer took 2.93ms. Allocated memory is still 167.8MB. Free memory was 109.4MB in the beginning and 109.4MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 00:28:17,214 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.87ms. Allocated memory is still 167.8MB. Free memory was 132.1MB in the beginning and 118.8MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.45ms. Allocated memory is still 167.8MB. Free memory was 118.8MB in the beginning and 116.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.66ms. Allocated memory is still 167.8MB. Free memory was 116.1MB in the beginning and 112.8MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 404.16ms. Allocated memory is still 167.8MB. Free memory was 112.8MB in the beginning and 95.4MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1614.14ms. Allocated memory is still 167.8MB. Free memory was 95.0MB in the beginning and 109.4MB in the end (delta: -14.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.93ms. Allocated memory is still 167.8MB. Free memory was 109.4MB in the beginning and 109.4MB in the end (delta: 50.8kB). 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 someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryFLOATComparisonOperation at line 86, overapproximation of someBinaryFLOATComparisonOperation at line 41, overapproximation of someBinaryFLOATComparisonOperation at line 62, overapproximation of someBinaryFLOATComparisonOperation at line 84, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 89, overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someUnaryFLOAToperation at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 50; [L23] unsigned short int var_1_4 = 60871; [L24] unsigned short int var_1_5 = 1; [L25] unsigned short int var_1_6 = 28896; [L26] unsigned short int var_1_7 = 5; [L27] float var_1_8 = 63.8; [L28] float var_1_9 = 49.5; [L29] float var_1_10 = 31.875; [L30] float var_1_11 = 255.25; [L31] float var_1_12 = 0.0; [L32] signed short int var_1_13 = -8; [L33] double var_1_15 = 1000000000.375; [L34] unsigned short int var_1_16 = 4; [L35] unsigned char var_1_17 = 1; [L36] unsigned char var_1_18 = 1; VAL [isInitial=0, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=60871, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] FCALL updateLastVariables() [L108] CALL updateVariables() [L67] var_1_4 = __VERIFIER_nondet_ushort() [L68] CALL assume_abort_if_not(var_1_4 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L68] RET assume_abort_if_not(var_1_4 >= 32767) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L69] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L69] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L70] var_1_5 = __VERIFIER_nondet_ushort() [L71] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L71] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L72] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L72] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L73] var_1_6 = __VERIFIER_nondet_ushort() [L74] CALL assume_abort_if_not(var_1_6 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L74] RET assume_abort_if_not(var_1_6 >= 16383) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L75] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L75] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L76] var_1_7 = __VERIFIER_nondet_ushort() [L77] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_8=319/5, var_1_9=99/2] [L77] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_8=319/5, var_1_9=99/2] [L78] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5, var_1_9=99/2] [L78] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5, var_1_9=99/2] [L79] var_1_9 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L80] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L81] var_1_10 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L82] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=1021/4, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L83] var_1_11 = __VERIFIER_nondet_float() [L84] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L84] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=0, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L85] var_1_12 = __VERIFIER_nondet_float() [L86] CALL assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L86] RET assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=-8, var_1_15=8000000003/8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L87] var_1_15 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L88] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L89] CALL assume_abort_if_not(var_1_15 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L89] RET assume_abort_if_not(var_1_15 != 0.0F) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=1, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L90] var_1_17 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L91] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L92] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L92] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=1, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L93] var_1_18 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L94] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L95] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L95] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=319/5] [L108] RET updateVariables() [L109] CALL step() [L40] COND TRUE var_1_7 > var_1_5 [L41] var_1_8 = ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) VAL [isInitial=1, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=2, var_1_9=0] [L45] unsigned short int stepLocal_0 = var_1_6; VAL [isInitial=1, stepLocal_0=16384, var_1_13=-8, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=2, var_1_9=0] [L46] COND FALSE !(stepLocal_0 <= var_1_5) [L51] var_1_13 = var_1_7 VAL [isInitial=1, var_1_13=8193, var_1_16=4, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=2, var_1_9=0] [L53] COND FALSE !(var_1_6 > (var_1_13 * ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7))))) [L60] var_1_16 = var_1_6 VAL [isInitial=1, var_1_13=8193, var_1_16=16384, var_1_17=0, var_1_18=0, var_1_1=50, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=2, var_1_9=0] [L62] COND TRUE var_1_8 != var_1_8 [L63] var_1_1 = (var_1_4 - ((((var_1_5) < ((var_1_6 - var_1_7))) ? (var_1_5) : ((var_1_6 - var_1_7))))) VAL [isInitial=1, var_1_13=8193, var_1_16=16384, var_1_17=0, var_1_18=0, var_1_1=24577, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=2, var_1_9=0] [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return ((((var_1_8 != var_1_8) ? (var_1_1 == ((unsigned short int) (var_1_4 - ((((var_1_5) < ((var_1_6 - var_1_7))) ? (var_1_5) : ((var_1_6 - var_1_7))))))) : 1) && ((var_1_7 > var_1_5) ? (var_1_8 == ((float) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))))) : (var_1_8 == ((float) (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - (var_1_12 - 3.4f)))))) && ((var_1_6 <= var_1_5) ? ((((((var_1_8) > ((var_1_12 / var_1_15))) ? (var_1_8) : ((var_1_12 / var_1_15)))) > ((((var_1_10) < (var_1_8)) ? (var_1_10) : (var_1_8)))) ? (var_1_13 == ((signed short int) var_1_7)) : 1) : (var_1_13 == ((signed short int) var_1_7)))) && ((var_1_6 > (var_1_13 * ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7))))) ? ((var_1_17 || var_1_18) ? (var_1_16 == ((unsigned short int) var_1_4)) : (var_1_16 == ((unsigned short int) var_1_7))) : (var_1_16 == ((unsigned short int) var_1_6))) ; VAL [\result=0, isInitial=1, var_1_13=8193, var_1_16=16384, var_1_17=0, var_1_18=0, var_1_1=24577, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=2, var_1_9=0] [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_13=8193, var_1_16=16384, var_1_17=0, var_1_18=0, var_1_1=24577, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=2, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_13=8193, var_1_16=16384, var_1_17=0, var_1_18=0, var_1_1=24577, var_1_4=32768, var_1_5=8191, var_1_6=16384, var_1_7=8193, var_1_8=2, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 18, 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, 74 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, 74 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 460 NumberOfCodeBlocks, 460 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 228 ConstructedInterpolants, 0 QuantifiedInterpolants, 228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 258 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1190/1224 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 00:28:17,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-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-77.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 05e55e7927e1460c3cc7e57cdfa44997b5dd9aa1227de66e65f3a2691e6d4f4a --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 00:28:19,421 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 00:28:19,513 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-06 00:28:19,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 00:28:19,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 00:28:19,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 00:28:19,579 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 00:28:19,580 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 00:28:19,580 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 00:28:19,580 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 00:28:19,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 00:28:19,582 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 00:28:19,582 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 00:28:19,582 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 00:28:19,582 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 00:28:19,583 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 00:28:19,583 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 00:28:19,583 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 00:28:19,583 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 00:28:19,583 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 00:28:19,584 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 00:28:19,584 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 00:28:19,584 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 00:28:19,584 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 00:28:19,584 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-06 00:28:19,584 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-06 00:28:19,584 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 00:28:19,584 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 00:28:19,584 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 00:28:19,584 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 00:28:19,585 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 00:28:19,585 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 00:28:19,585 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 00:28:19,585 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 00:28:19,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 00:28:19,586 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 00:28:19,586 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 00:28:19,586 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 00:28:19,586 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 00:28:19,586 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-06 00:28:19,586 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-06 00:28:19,586 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 00:28:19,587 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 00:28:19,587 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 00:28:19,587 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 00:28:19,587 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 -> 05e55e7927e1460c3cc7e57cdfa44997b5dd9aa1227de66e65f3a2691e6d4f4a [2025-02-06 00:28:19,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 00:28:19,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 00:28:19,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 00:28:19,952 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 00:28:19,953 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 00:28:19,955 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-77.i [2025-02-06 00:28:21,236 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4bacd74ea/18c66dad44b14bde907426d646de2125/FLAG82e639a0e [2025-02-06 00:28:21,522 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 00:28:21,523 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-77.i [2025-02-06 00:28:21,533 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4bacd74ea/18c66dad44b14bde907426d646de2125/FLAG82e639a0e [2025-02-06 00:28:21,552 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4bacd74ea/18c66dad44b14bde907426d646de2125 [2025-02-06 00:28:21,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 00:28:21,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 00:28:21,558 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 00:28:21,558 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 00:28:21,563 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 00:28:21,563 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:28:21" (1/1) ... [2025-02-06 00:28:21,565 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63ee1ed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:21, skipping insertion in model container [2025-02-06 00:28:21,565 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:28:21" (1/1) ... [2025-02-06 00:28:21,581 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 00:28:21,711 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-77.i[917,930] [2025-02-06 00:28:21,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 00:28:21,781 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 00:28:21,793 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-77.i[917,930] [2025-02-06 00:28:21,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 00:28:21,839 INFO L204 MainTranslator]: Completed translation [2025-02-06 00:28:21,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:21 WrapperNode [2025-02-06 00:28:21,841 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 00:28:21,842 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 00:28:21,842 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 00:28:21,842 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 00:28:21,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:21" (1/1) ... [2025-02-06 00:28:21,858 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:21" (1/1) ... [2025-02-06 00:28:21,888 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2025-02-06 00:28:21,888 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 00:28:21,889 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 00:28:21,889 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 00:28:21,889 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 00:28:21,900 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:21" (1/1) ... [2025-02-06 00:28:21,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:21" (1/1) ... [2025-02-06 00:28:21,907 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:21" (1/1) ... [2025-02-06 00:28:21,929 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 00:28:21,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:21" (1/1) ... [2025-02-06 00:28:21,929 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:21" (1/1) ... [2025-02-06 00:28:21,943 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:21" (1/1) ... [2025-02-06 00:28:21,944 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:21" (1/1) ... [2025-02-06 00:28:21,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:21" (1/1) ... [2025-02-06 00:28:21,951 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:21" (1/1) ... [2025-02-06 00:28:21,954 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 00:28:21,954 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 00:28:21,954 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 00:28:21,955 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 00:28:21,955 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:21" (1/1) ... [2025-02-06 00:28:21,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 00:28:21,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 00:28:21,991 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 00:28:21,994 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 00:28:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 00:28:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-06 00:28:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 00:28:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 00:28:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 00:28:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 00:28:22,092 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 00:28:22,094 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 00:28:36,055 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2025-02-06 00:28:36,055 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 00:28:36,066 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 00:28:36,067 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 00:28:36,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:28:36 BoogieIcfgContainer [2025-02-06 00:28:36,067 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 00:28:36,070 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 00:28:36,070 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 00:28:36,074 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 00:28:36,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 12:28:21" (1/3) ... [2025-02-06 00:28:36,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ec71e67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:28:36, skipping insertion in model container [2025-02-06 00:28:36,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:28:21" (2/3) ... [2025-02-06 00:28:36,076 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ec71e67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:28:36, skipping insertion in model container [2025-02-06 00:28:36,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:28:36" (3/3) ... [2025-02-06 00:28:36,077 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-77.i [2025-02-06 00:28:36,090 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 00:28:36,092 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-77.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 00:28:36,151 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 00:28:36,161 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;@1f7b80b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 00:28:36,162 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 00:28:36,167 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 00:28:36,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-02-06 00:28:36,177 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 00:28:36,178 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:28:36,178 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 00:28:36,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 00:28:36,183 INFO L85 PathProgramCache]: Analyzing trace with hash 526840411, now seen corresponding path program 1 times [2025-02-06 00:28:36,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 00:28:36,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [356321348] [2025-02-06 00:28:36,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:28:36,194 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 00:28:36,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 00:28:36,198 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 00:28:36,200 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 00:28:36,275 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-02-06 00:28:36,940 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-02-06 00:28:36,940 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:28:36,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:28:36,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 00:28:36,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 00:28:37,012 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2025-02-06 00:28:37,012 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 00:28:37,013 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 00:28:37,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [356321348] [2025-02-06 00:28:37,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [356321348] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 00:28:37,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 00:28:37,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 00:28:37,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653364073] [2025-02-06 00:28:37,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 00:28:37,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 00:28:37,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 00:28:37,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 00:28:37,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 00:28:37,040 INFO L87 Difference]: Start difference. First operand has 54 states, 33 states have (on average 1.303030303030303) internal successors, (43), 34 states have internal predecessors, (43), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-02-06 00:28:37,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 00:28:37,058 INFO L93 Difference]: Finished difference Result 102 states and 171 transitions. [2025-02-06 00:28:37,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 00:28:37,059 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 115 [2025-02-06 00:28:37,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 00:28:37,063 INFO L225 Difference]: With dead ends: 102 [2025-02-06 00:28:37,063 INFO L226 Difference]: Without dead ends: 51 [2025-02-06 00:28:37,066 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 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 00:28:37,068 INFO L435 NwaCegarLoop]: 74 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, 74 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 00:28:37,069 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 00:28:37,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2025-02-06 00:28:37,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2025-02-06 00:28:37,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 00:28:37,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2025-02-06 00:28:37,100 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 115 [2025-02-06 00:28:37,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 00:28:37,101 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2025-02-06 00:28:37,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-02-06 00:28:37,101 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2025-02-06 00:28:37,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-02-06 00:28:37,103 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 00:28:37,104 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:28:37,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-02-06 00:28:37,304 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 00:28:37,305 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 00:28:37,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 00:28:37,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1921092087, now seen corresponding path program 1 times [2025-02-06 00:28:37,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 00:28:37,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1150661161] [2025-02-06 00:28:37,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 00:28:37,306 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 00:28:37,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 00:28:37,309 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 00:28:37,311 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 00:28:37,370 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-02-06 00:28:38,084 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-02-06 00:28:38,084 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 00:28:38,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 00:28:38,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 00:28:38,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 00:28:52,115 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 321 proven. 27 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-06 00:28:52,116 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 00:28:55,650 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 24 proven. 27 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2025-02-06 00:28:55,652 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 00:28:55,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1150661161] [2025-02-06 00:28:55,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1150661161] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 00:28:55,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 00:28:55,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-02-06 00:28:55,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981545164] [2025-02-06 00:28:55,653 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 00:28:55,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 00:28:55,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 00:28:55,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 00:28:55,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-02-06 00:28:55,655 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 4 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2025-02-06 00:29:05,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 00:29:09,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 00:29:13,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 00:29:18,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 00:29:22,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 00:29:26,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 00:29:30,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 00:29:34,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 00:29:38,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 00:29:42,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 00:29:47,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 00:29:51,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []