./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-75.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-75.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 725857aa5d42d608fe5111e8baa7b5a4a4c4a578074bb6b1a4b36cd960a1b3b8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 02:47:50,595 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 02:47:50,690 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-17 02:47:50,697 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 02:47:50,698 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 02:47:50,727 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 02:47:50,728 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 02:47:50,728 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 02:47:50,728 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 02:47:50,728 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 02:47:50,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 02:47:50,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 02:47:50,729 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 02:47:50,729 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 02:47:50,729 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 02:47:50,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 02:47:50,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 02:47:50,729 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 02:47:50,730 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 02:47:50,730 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 02:47:50,730 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 02:47:50,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 02:47:50,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 02:47:50,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 02:47:50,730 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 02:47:50,730 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 02:47:50,730 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 02:47:50,730 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 02:47:50,730 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 02:47:50,730 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 02:47:50,730 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 02:47:50,730 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 02:47:50,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 02:47:50,730 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 02:47:50,730 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 02:47:50,730 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 02:47:50,730 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 02:47:50,730 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 02:47:50,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 02:47:50,731 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 02:47:50,731 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 02:47:50,731 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 02:47:50,731 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 02:47:50,731 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 725857aa5d42d608fe5111e8baa7b5a4a4c4a578074bb6b1a4b36cd960a1b3b8 [2025-03-17 02:47:51,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 02:47:51,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 02:47:51,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 02:47:51,028 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 02:47:51,028 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 02:47:51,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-75.i [2025-03-17 02:47:52,307 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/505a9d2f3/97b28d49616844d7ba2df9b358bf0898/FLAGc84cd2ac1 [2025-03-17 02:47:52,592 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 02:47:52,593 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-75.i [2025-03-17 02:47:52,615 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/505a9d2f3/97b28d49616844d7ba2df9b358bf0898/FLAGc84cd2ac1 [2025-03-17 02:47:52,648 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/505a9d2f3/97b28d49616844d7ba2df9b358bf0898 [2025-03-17 02:47:52,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 02:47:52,653 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 02:47:52,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 02:47:52,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 02:47:52,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 02:47:52,662 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:47:52" (1/1) ... [2025-03-17 02:47:52,663 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1acf2cda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:52, skipping insertion in model container [2025-03-17 02:47:52,664 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:47:52" (1/1) ... [2025-03-17 02:47:52,682 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 02:47:52,825 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-75.i[917,930] [2025-03-17 02:47:52,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 02:47:52,902 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 02:47:52,918 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-75.i[917,930] [2025-03-17 02:47:52,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 02:47:52,970 INFO L204 MainTranslator]: Completed translation [2025-03-17 02:47:52,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:52 WrapperNode [2025-03-17 02:47:52,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 02:47:52,972 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 02:47:52,973 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 02:47:52,973 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 02:47:52,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:52" (1/1) ... [2025-03-17 02:47:52,988 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:52" (1/1) ... [2025-03-17 02:47:53,029 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2025-03-17 02:47:53,034 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 02:47:53,035 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 02:47:53,035 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 02:47:53,035 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 02:47:53,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:52" (1/1) ... [2025-03-17 02:47:53,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:52" (1/1) ... [2025-03-17 02:47:53,048 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:52" (1/1) ... [2025-03-17 02:47:53,062 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-17 02:47:53,063 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:52" (1/1) ... [2025-03-17 02:47:53,063 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:52" (1/1) ... [2025-03-17 02:47:53,073 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:52" (1/1) ... [2025-03-17 02:47:53,074 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:52" (1/1) ... [2025-03-17 02:47:53,075 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:52" (1/1) ... [2025-03-17 02:47:53,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:52" (1/1) ... [2025-03-17 02:47:53,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 02:47:53,089 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 02:47:53,090 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 02:47:53,090 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 02:47:53,091 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:52" (1/1) ... [2025-03-17 02:47:53,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 02:47:53,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 02:47:53,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 02:47:53,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 02:47:53,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 02:47:53,150 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 02:47:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 02:47:53,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 02:47:53,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 02:47:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 02:47:53,223 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 02:47:53,226 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 02:47:53,489 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-17 02:47:53,495 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 02:47:53,508 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 02:47:53,508 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 02:47:53,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:47:53 BoogieIcfgContainer [2025-03-17 02:47:53,508 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 02:47:53,511 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 02:47:53,511 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 02:47:53,516 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 02:47:53,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 02:47:52" (1/3) ... [2025-03-17 02:47:53,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7548814c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:47:53, skipping insertion in model container [2025-03-17 02:47:53,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:52" (2/3) ... [2025-03-17 02:47:53,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7548814c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:47:53, skipping insertion in model container [2025-03-17 02:47:53,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:47:53" (3/3) ... [2025-03-17 02:47:53,519 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-75.i [2025-03-17 02:47:53,533 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 02:47:53,537 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-75.i that has 2 procedures, 45 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 02:47:53,595 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 02:47:53,609 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;@21df5ba4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 02:47:53,609 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 02:47:53,614 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 25 states have (on average 1.36) internal successors, (34), 26 states have internal predecessors, (34), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 02:47:53,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-03-17 02:47:53,625 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 02:47:53,627 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 02:47:53,627 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 02:47:53,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 02:47:53,633 INFO L85 PathProgramCache]: Analyzing trace with hash -491328017, now seen corresponding path program 1 times [2025-03-17 02:47:53,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 02:47:53,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675466494] [2025-03-17 02:47:53,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 02:47:53,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 02:47:53,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-17 02:47:53,865 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-17 02:47:53,866 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:47:53,866 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 02:47:53,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2047258174] [2025-03-17 02:47:53,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 02:47:53,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 02:47:53,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 02:47:53,876 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 02:47:53,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 02:47:53,957 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-17 02:47:54,024 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-17 02:47:54,024 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:47:54,024 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 02:47:54,024 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 02:47:54,053 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-17 02:47:54,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-17 02:47:54,085 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:47:54,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 02:47:54,143 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 02:47:54,145 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-17 02:47:54,146 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-17 02:47:54,161 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 02:47:54,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-17 02:47:54,356 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-03-17 02:47:54,419 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 02:47:54,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 02:47:54 BoogieIcfgContainer [2025-03-17 02:47:54,422 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 02:47:54,423 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 02:47:54,423 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 02:47:54,423 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 02:47:54,423 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:47:53" (3/4) ... [2025-03-17 02:47:54,425 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-17 02:47:54,425 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 02:47:54,426 INFO L158 Benchmark]: Toolchain (without parser) took 1773.13ms. Allocated memory is still 142.6MB. Free memory was 110.0MB in the beginning and 106.4MB in the end (delta: 3.6MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2025-03-17 02:47:54,426 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 02:47:54,426 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.97ms. Allocated memory is still 142.6MB. Free memory was 110.0MB in the beginning and 96.6MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 02:47:54,426 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.78ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 94.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 02:47:54,427 INFO L158 Benchmark]: Boogie Preprocessor took 48.92ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 91.3MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 02:47:54,427 INFO L158 Benchmark]: IcfgBuilder took 419.38ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 75.7MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 02:47:54,427 INFO L158 Benchmark]: TraceAbstraction took 911.05ms. Allocated memory is still 142.6MB. Free memory was 74.7MB in the beginning and 106.4MB in the end (delta: -31.7MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2025-03-17 02:47:54,427 INFO L158 Benchmark]: Witness Printer took 2.68ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 106.4MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 02:47:54,428 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 201.3MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.97ms. Allocated memory is still 142.6MB. Free memory was 110.0MB in the beginning and 96.6MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.78ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 94.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.92ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 91.3MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 419.38ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 75.7MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 911.05ms. Allocated memory is still 142.6MB. Free memory was 74.7MB in the beginning and 106.4MB in the end (delta: -31.7MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * Witness Printer took 2.68ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 106.4MB in the end (delta: 41.6kB). 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 88, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryDOUBLEComparisonOperation at line 97, overapproximation of someBinaryDOUBLEComparisonOperation at line 70, overapproximation of someBinaryDOUBLEComparisonOperation at line 42, overapproximation of someBinaryDOUBLEComparisonOperation at line 71. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 32; [L23] unsigned char var_1_7 = 32; [L24] signed long int var_1_8 = -100; [L25] double var_1_10 = 5.95; [L26] unsigned char var_1_12 = 128; [L27] unsigned char var_1_13 = 200; [L28] unsigned char var_1_14 = 8; [L29] unsigned char var_1_15 = 0; [L30] unsigned char var_1_16 = 128; [L31] unsigned char var_1_17 = 1; [L32] float var_1_18 = 2.25; [L33] float var_1_19 = 16.875; [L34] signed char var_1_20 = -4; [L35] signed char var_1_21 = 10; [L36] signed long int last_1_var_1_8 = -100; [L101] isInitial = 1 [L102] FCALL initially() [L103] COND TRUE 1 [L104] CALL updateLastVariables() [L94] last_1_var_1_8 = var_1_8 [L104] RET updateLastVariables() [L105] CALL updateVariables() [L66] var_1_7 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=119/20, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=119/20, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_8=-100] [L67] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=119/20, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_8=-100] [L68] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=119/20, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_10=119/20, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L68] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_8=-100, var_1_10=119/20, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L69] var_1_10 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L70] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L71] CALL assume_abort_if_not(var_1_10 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L71] RET assume_abort_if_not(var_1_10 != 0.0F) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=200, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L72] var_1_13 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_13 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L73] RET assume_abort_if_not(var_1_13 >= 127) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L74] CALL assume_abort_if_not(var_1_13 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L74] RET assume_abort_if_not(var_1_13 <= 255) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=8, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L75] var_1_14 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L76] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L77] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L77] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=0, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L78] var_1_15 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L79] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L80] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L80] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=128, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L81] var_1_16 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_16 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=127, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=127, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L82] RET assume_abort_if_not(var_1_16 >= 127) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=127, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L83] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=127, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=127, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L83] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=127, var_1_17=1, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L84] var_1_17 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=127, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=127, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L85] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=127, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L86] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L86] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_19=135/8, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L87] var_1_19 = __VERIFIER_nondet_float() [L88] CALL assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L88] RET assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=10, var_1_7=-255, var_1_8=-100] [L89] var_1_21 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_21 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=-100, var_1_7=-255, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=-100, var_1_7=-255, var_1_8=-100] [L90] RET assume_abort_if_not(var_1_21 >= -127) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=-100, var_1_7=-255, var_1_8=-100] [L91] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=-100, var_1_7=-255, var_1_8=-100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=-100, var_1_7=-255, var_1_8=-100] [L91] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=127, var_1_17=0, var_1_18=9/4, var_1_1=32, var_1_20=-4, var_1_21=-100, var_1_7=-255, var_1_8=-100] [L105] RET updateVariables() [L106] CALL step() [L40] var_1_18 = var_1_19 [L41] var_1_20 = var_1_21 VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=32, var_1_20=-100, var_1_21=-100, var_1_7=-255, var_1_8=-100] [L42] COND TRUE (var_1_18 / var_1_10) >= (var_1_18 / 128.6) [L43] var_1_8 = ((var_1_20 + (var_1_7 + last_1_var_1_8)) - var_1_20) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=32, var_1_20=-100, var_1_21=-100, var_1_7=-255, var_1_8=-99] [L51] signed long int stepLocal_0 = (var_1_8 * var_1_20) * var_1_8; VAL [isInitial=1, last_1_var_1_8=-100, stepLocal_0=-980100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=32, var_1_20=-100, var_1_21=-100, var_1_7=-255, var_1_8=-99] [L52] COND TRUE stepLocal_0 < ((((var_1_20) > (var_1_8)) ? (var_1_20) : (var_1_8))) [L53] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=128, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=-255, var_1_20=-100, var_1_21=-100, var_1_7=-255, var_1_8=-99] [L57] COND FALSE !((var_1_1 == (var_1_13 - var_1_14)) && var_1_15) [L62] var_1_12 = var_1_17 VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=-255, var_1_20=-100, var_1_21=-100, var_1_7=-255, var_1_8=-99] [L106] RET step() [L107] CALL, EXPR property() [L97-L98] return (((((((var_1_8 * var_1_20) * var_1_8) < ((((var_1_20) > (var_1_8)) ? (var_1_20) : (var_1_8)))) ? (var_1_1 == ((unsigned char) var_1_7)) : (var_1_1 == ((unsigned char) var_1_7))) && (((var_1_18 / var_1_10) >= (var_1_18 / 128.6)) ? (var_1_8 == ((signed long int) ((var_1_20 + (var_1_7 + last_1_var_1_8)) - var_1_20))) : ((var_1_18 <= var_1_10) ? (var_1_8 == ((signed long int) 256)) : (var_1_8 == ((signed long int) var_1_20))))) && (((var_1_1 == (var_1_13 - var_1_14)) && var_1_15) ? (var_1_15 ? (var_1_12 == ((unsigned char) (((((var_1_16 - var_1_14)) > (var_1_7)) ? ((var_1_16 - var_1_14)) : (var_1_7))))) : 1) : (var_1_12 == ((unsigned char) var_1_17)))) && (var_1_18 == ((float) var_1_19))) && (var_1_20 == ((signed char) var_1_21)) ; [L107] RET, EXPR property() [L107] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=-255, var_1_20=-100, var_1_21=-100, var_1_7=-255, var_1_8=-99] [L19] reach_error() VAL [isInitial=1, last_1_var_1_8=-100, var_1_12=0, var_1_13=127, var_1_14=127, var_1_15=-255, var_1_16=127, var_1_17=0, var_1_18=2, var_1_19=2, var_1_1=-255, var_1_20=-100, var_1_21=-100, var_1_7=-255, var_1_8=-99] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 85 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-17 02:47:54,441 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-75.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 725857aa5d42d608fe5111e8baa7b5a4a4c4a578074bb6b1a4b36cd960a1b3b8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 02:47:56,641 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 02:47:56,757 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-17 02:47:56,766 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 02:47:56,768 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 02:47:56,802 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 02:47:56,803 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 02:47:56,804 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 02:47:56,804 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 02:47:56,804 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 02:47:56,804 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 02:47:56,804 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 02:47:56,805 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 02:47:56,805 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 02:47:56,805 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 02:47:56,806 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 02:47:56,806 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 02:47:56,807 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 02:47:56,807 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 02:47:56,807 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 02:47:56,807 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 02:47:56,807 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 02:47:56,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 02:47:56,807 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-17 02:47:56,807 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-17 02:47:56,807 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-17 02:47:56,807 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 02:47:56,807 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 02:47:56,808 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 02:47:56,808 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 02:47:56,808 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 02:47:56,808 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 02:47:56,808 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 02:47:56,808 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 02:47:56,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 02:47:56,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 02:47:56,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 02:47:56,808 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 02:47:56,808 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 02:47:56,808 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-17 02:47:56,808 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-17 02:47:56,809 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 02:47:56,810 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 02:47:56,810 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 02:47:56,810 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 02:47:56,810 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 725857aa5d42d608fe5111e8baa7b5a4a4c4a578074bb6b1a4b36cd960a1b3b8 [2025-03-17 02:47:57,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 02:47:57,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 02:47:57,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 02:47:57,143 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 02:47:57,144 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 02:47:57,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-75.i [2025-03-17 02:47:58,435 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d04616827/a9493f6259d54856ad5ec31a0e502261/FLAG3423e887a [2025-03-17 02:47:58,636 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 02:47:58,637 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-75.i [2025-03-17 02:47:58,646 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d04616827/a9493f6259d54856ad5ec31a0e502261/FLAG3423e887a [2025-03-17 02:47:58,659 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d04616827/a9493f6259d54856ad5ec31a0e502261 [2025-03-17 02:47:58,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 02:47:58,662 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 02:47:58,663 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 02:47:58,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 02:47:58,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 02:47:58,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:47:58" (1/1) ... [2025-03-17 02:47:58,668 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2201fb3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:58, skipping insertion in model container [2025-03-17 02:47:58,668 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 02:47:58" (1/1) ... [2025-03-17 02:47:58,684 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 02:47:58,804 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-75.i[917,930] [2025-03-17 02:47:58,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 02:47:58,865 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 02:47:58,876 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-75.i[917,930] [2025-03-17 02:47:58,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 02:47:58,919 INFO L204 MainTranslator]: Completed translation [2025-03-17 02:47:58,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:58 WrapperNode [2025-03-17 02:47:58,920 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 02:47:58,921 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 02:47:58,921 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 02:47:58,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 02:47:58,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:58" (1/1) ... [2025-03-17 02:47:58,941 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:58" (1/1) ... [2025-03-17 02:47:58,963 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2025-03-17 02:47:58,964 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 02:47:58,964 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 02:47:58,965 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 02:47:58,965 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 02:47:58,972 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:58" (1/1) ... [2025-03-17 02:47:58,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:58" (1/1) ... [2025-03-17 02:47:58,977 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:58" (1/1) ... [2025-03-17 02:47:58,992 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-17 02:47:58,992 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:58" (1/1) ... [2025-03-17 02:47:58,992 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:58" (1/1) ... [2025-03-17 02:47:59,003 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:58" (1/1) ... [2025-03-17 02:47:59,004 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:58" (1/1) ... [2025-03-17 02:47:59,005 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:58" (1/1) ... [2025-03-17 02:47:59,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:58" (1/1) ... [2025-03-17 02:47:59,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 02:47:59,014 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 02:47:59,014 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 02:47:59,014 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 02:47:59,015 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:58" (1/1) ... [2025-03-17 02:47:59,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 02:47:59,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 02:47:59,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 02:47:59,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 02:47:59,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 02:47:59,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-17 02:47:59,078 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 02:47:59,078 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 02:47:59,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 02:47:59,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 02:47:59,157 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 02:47:59,159 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 02:48:13,632 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-03-17 02:48:13,633 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 02:48:13,645 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 02:48:13,646 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 02:48:13,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:48:13 BoogieIcfgContainer [2025-03-17 02:48:13,646 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 02:48:13,648 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 02:48:13,649 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 02:48:13,652 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 02:48:13,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 02:47:58" (1/3) ... [2025-03-17 02:48:13,653 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c41b55e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:48:13, skipping insertion in model container [2025-03-17 02:48:13,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 02:47:58" (2/3) ... [2025-03-17 02:48:13,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c41b55e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 02:48:13, skipping insertion in model container [2025-03-17 02:48:13,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 02:48:13" (3/3) ... [2025-03-17 02:48:13,655 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-75.i [2025-03-17 02:48:13,666 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 02:48:13,668 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-75.i that has 2 procedures, 45 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 02:48:13,711 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 02:48:13,721 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;@7db4a042, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 02:48:13,721 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 02:48:13,725 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 25 states have (on average 1.36) internal successors, (34), 26 states have internal predecessors, (34), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 02:48:13,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-03-17 02:48:13,733 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 02:48:13,733 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 02:48:13,734 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 02:48:13,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 02:48:13,739 INFO L85 PathProgramCache]: Analyzing trace with hash -491328017, now seen corresponding path program 1 times [2025-03-17 02:48:13,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-17 02:48:13,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [602382915] [2025-03-17 02:48:13,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 02:48:13,749 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2025-03-17 02:48:13,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-17 02:48:13,753 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2025-03-17 02:48:13,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2025-03-17 02:48:13,819 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-17 02:48:17,144 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-17 02:48:17,145 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 02:48:17,145 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 02:48:17,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-17 02:48:17,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 02:48:48,539 WARN L286 SmtUtils]: Spent 8.56s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-17 02:48:57,053 WARN L286 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-17 02:49:05,409 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-17 02:49:13,900 WARN L286 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-17 02:49:22,442 WARN L286 SmtUtils]: Spent 8.54s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-17 02:49:30,974 WARN L286 SmtUtils]: Spent 8.53s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)