/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float-rounding1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 13:42:47,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 13:42:47,640 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-03 13:42:47,644 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 13:42:47,647 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 13:42:47,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 13:42:47,678 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 13:42:47,678 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 13:42:47,679 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 13:42:47,680 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 13:42:47,680 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 13:42:47,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 13:42:47,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 13:42:47,682 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 13:42:47,683 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 13:42:47,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 13:42:47,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 13:42:47,684 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 13:42:47,684 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 13:42:47,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 13:42:47,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 13:42:47,688 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 13:42:47,688 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 13:42:47,688 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 13:42:47,689 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 13:42:47,689 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 13:42:47,689 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 13:42:47,689 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 13:42:47,689 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 13:42:47,690 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 13:42:47,690 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 13:42:47,690 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 13:42:47,690 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 13:42:47,690 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 13:42:47,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 13:42:47,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 13:42:47,691 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 13:42:47,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 13:42:47,691 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 13:42:47,692 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 13:42:47,692 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 13:42:47,692 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 13:42:47,693 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 13:42:47,693 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 13:42:47,693 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-03 13:42:47,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 13:42:47,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 13:42:47,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 13:42:47,948 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 13:42:47,949 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 13:42:47,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-rounding1.i [2024-11-03 13:42:49,352 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 13:42:49,558 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 13:42:49,559 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-rounding1.i [2024-11-03 13:42:49,576 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af9e0cd86/5c512480eb884e2d906476c62ddf773d/FLAG2cc8560ed [2024-11-03 13:42:49,910 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af9e0cd86/5c512480eb884e2d906476c62ddf773d [2024-11-03 13:42:49,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 13:42:49,913 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 13:42:49,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 13:42:49,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 13:42:49,920 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 13:42:49,921 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:42:49" (1/1) ... [2024-11-03 13:42:49,922 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77c4ffb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:49, skipping insertion in model container [2024-11-03 13:42:49,922 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:42:49" (1/1) ... [2024-11-03 13:42:49,965 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 13:42:50,351 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-rounding1.i[42829,42842] [2024-11-03 13:42:50,356 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-rounding1.i[42946,42959] [2024-11-03 13:42:50,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 13:42:50,378 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 13:42:50,387 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma STDC FENV_ACCESS OFF [1095] [2024-11-03 13:42:50,423 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-rounding1.i[42829,42842] [2024-11-03 13:42:50,425 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-rounding1.i[42946,42959] [2024-11-03 13:42:50,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 13:42:50,560 INFO L204 MainTranslator]: Completed translation [2024-11-03 13:42:50,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:50 WrapperNode [2024-11-03 13:42:50,562 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 13:42:50,563 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 13:42:50,563 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 13:42:50,563 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 13:42:50,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:50" (1/1) ... [2024-11-03 13:42:50,595 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:50" (1/1) ... [2024-11-03 13:42:50,618 INFO L138 Inliner]: procedures = 461, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2024-11-03 13:42:50,619 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 13:42:50,620 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 13:42:50,620 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 13:42:50,620 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 13:42:50,627 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:50" (1/1) ... [2024-11-03 13:42:50,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:50" (1/1) ... [2024-11-03 13:42:50,629 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:50" (1/1) ... [2024-11-03 13:42:50,639 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]. [2024-11-03 13:42:50,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:50" (1/1) ... [2024-11-03 13:42:50,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:50" (1/1) ... [2024-11-03 13:42:50,644 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:50" (1/1) ... [2024-11-03 13:42:50,646 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:50" (1/1) ... [2024-11-03 13:42:50,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:50" (1/1) ... [2024-11-03 13:42:50,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:50" (1/1) ... [2024-11-03 13:42:50,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 13:42:50,654 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 13:42:50,654 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 13:42:50,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 13:42:50,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:50" (1/1) ... [2024-11-03 13:42:50,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 13:42:50,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 13:42:50,681 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) [2024-11-03 13:42:50,683 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 [2024-11-03 13:42:50,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 13:42:50,703 INFO L130 BoogieDeclarations]: Found specification of procedure roundingTest [2024-11-03 13:42:50,703 INFO L138 BoogieDeclarations]: Found implementation of procedure roundingTest [2024-11-03 13:42:50,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 13:42:50,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 13:42:50,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 13:42:50,703 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 13:42:50,704 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 13:42:50,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-11-03 13:42:50,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-11-03 13:42:50,797 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 13:42:50,799 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 13:42:51,005 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-03 13:42:51,005 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 13:42:51,019 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 13:42:51,020 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-03 13:42:51,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:42:51 BoogieIcfgContainer [2024-11-03 13:42:51,022 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 13:42:51,024 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 13:42:51,024 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 13:42:51,028 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 13:42:51,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:42:49" (1/3) ... [2024-11-03 13:42:51,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68255be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:42:51, skipping insertion in model container [2024-11-03 13:42:51,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:42:50" (2/3) ... [2024-11-03 13:42:51,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68255be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:42:51, skipping insertion in model container [2024-11-03 13:42:51,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:42:51" (3/3) ... [2024-11-03 13:42:51,032 INFO L112 eAbstractionObserver]: Analyzing ICFG float-rounding1.i [2024-11-03 13:42:51,044 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 13:42:51,044 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-03 13:42:51,087 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 13:42:51,095 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;@1a8d5672, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 13:42:51,095 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-03 13:42:51,098 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 24 states have internal predecessors, (31), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-03 13:42:51,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-03 13:42:51,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 13:42:51,107 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 13:42:51,108 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION === [roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION, roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 13:42:51,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 13:42:51,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1145250574, now seen corresponding path program 1 times [2024-11-03 13:42:51,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 13:42:51,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [444042785] [2024-11-03 13:42:51,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 13:42:51,126 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 13:42:51,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 13:42:51,128 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 13:42:51,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-03 13:42:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 13:42:51,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 13:42:51,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 13:42:51,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 13:42:51,241 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 13:42:51,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 13:42:51,277 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 13:42:51,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [444042785] [2024-11-03 13:42:51,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [444042785] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 13:42:51,281 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 13:42:51,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-03 13:42:51,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292501371] [2024-11-03 13:42:51,283 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 13:42:51,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-03 13:42:51,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 13:42:51,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-03 13:42:51,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-03 13:42:51,313 INFO L87 Difference]: Start difference. First operand has 34 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 24 states have internal predecessors, (31), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-03 13:42:51,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 13:42:51,391 INFO L93 Difference]: Finished difference Result 71 states and 96 transitions. [2024-11-03 13:42:51,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-03 13:42:51,395 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 11 [2024-11-03 13:42:51,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 13:42:51,402 INFO L225 Difference]: With dead ends: 71 [2024-11-03 13:42:51,402 INFO L226 Difference]: Without dead ends: 34 [2024-11-03 13:42:51,406 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-03 13:42:51,409 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 5 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 13:42:51,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 94 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 13:42:51,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-03 13:42:51,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-03 13:42:51,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 24 states have internal predecessors, (27), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-03 13:42:51,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2024-11-03 13:42:51,450 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 11 [2024-11-03 13:42:51,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 13:42:51,450 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2024-11-03 13:42:51,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-03 13:42:51,451 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2024-11-03 13:42:51,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-03 13:42:51,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 13:42:51,451 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 13:42:51,453 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-03 13:42:51,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 13:42:51,652 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION === [roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION, roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 13:42:51,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 13:42:51,653 INFO L85 PathProgramCache]: Analyzing trace with hash 184007803, now seen corresponding path program 1 times [2024-11-03 13:42:51,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 13:42:51,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [375863274] [2024-11-03 13:42:51,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 13:42:51,654 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 13:42:51,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 13:42:51,656 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 13:42:51,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-03 13:42:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 13:42:51,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-03 13:42:51,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 13:42:51,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 13:42:51,856 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 13:42:56,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 13:42:56,299 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 13:42:56,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [375863274] [2024-11-03 13:42:56,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [375863274] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 13:42:56,300 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 13:42:56,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2024-11-03 13:42:56,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045343771] [2024-11-03 13:42:56,301 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 13:42:56,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-03 13:42:56,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 13:42:56,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-03 13:42:56,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-03 13:42:56,303 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand has 14 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-03 13:43:00,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 13:43:00,000 INFO L93 Difference]: Finished difference Result 75 states and 85 transitions. [2024-11-03 13:43:00,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-03 13:43:00,003 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 12 [2024-11-03 13:43:00,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 13:43:00,005 INFO L225 Difference]: With dead ends: 75 [2024-11-03 13:43:00,005 INFO L226 Difference]: Without dead ends: 67 [2024-11-03 13:43:00,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2024-11-03 13:43:00,007 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 50 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-03 13:43:00,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 277 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-03 13:43:00,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-03 13:43:00,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 59. [2024-11-03 13:43:00,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 39 states have internal predecessors, (44), 12 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (13), 11 states have call predecessors, (13), 10 states have call successors, (13) [2024-11-03 13:43:00,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 69 transitions. [2024-11-03 13:43:00,023 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 69 transitions. Word has length 12 [2024-11-03 13:43:00,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 13:43:00,023 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 69 transitions. [2024-11-03 13:43:00,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-03 13:43:00,024 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 69 transitions. [2024-11-03 13:43:00,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-03 13:43:00,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 13:43:00,025 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 13:43:00,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-03 13:43:00,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 13:43:00,226 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION === [roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION, roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 13:43:00,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 13:43:00,226 INFO L85 PathProgramCache]: Analyzing trace with hash 332915595, now seen corresponding path program 1 times [2024-11-03 13:43:00,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 13:43:00,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1565040317] [2024-11-03 13:43:00,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 13:43:00,227 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 13:43:00,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 13:43:00,229 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 13:43:00,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-03 13:43:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 13:43:00,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 13:43:00,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 13:43:00,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-03 13:43:00,278 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 13:43:00,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-03 13:43:00,301 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 13:43:00,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1565040317] [2024-11-03 13:43:00,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1565040317] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 13:43:00,301 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 13:43:00,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-03 13:43:00,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280461108] [2024-11-03 13:43:00,302 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 13:43:00,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-03 13:43:00,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 13:43:00,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-03 13:43:00,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-03 13:43:00,304 INFO L87 Difference]: Start difference. First operand 59 states and 69 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-03 13:43:00,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 13:43:00,361 INFO L93 Difference]: Finished difference Result 100 states and 117 transitions. [2024-11-03 13:43:00,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-03 13:43:00,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2024-11-03 13:43:00,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 13:43:00,364 INFO L225 Difference]: With dead ends: 100 [2024-11-03 13:43:00,364 INFO L226 Difference]: Without dead ends: 43 [2024-11-03 13:43:00,365 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-03 13:43:00,368 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 5 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 13:43:00,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 79 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 13:43:00,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-03 13:43:00,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2024-11-03 13:43:00,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 28 states have internal predecessors, (29), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-03 13:43:00,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2024-11-03 13:43:00,382 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 20 [2024-11-03 13:43:00,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 13:43:00,382 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions. [2024-11-03 13:43:00,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-03 13:43:00,383 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2024-11-03 13:43:00,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-03 13:43:00,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 13:43:00,384 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 13:43:00,386 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0 [2024-11-03 13:43:00,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 13:43:00,585 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION === [roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION, roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 13:43:00,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 13:43:00,585 INFO L85 PathProgramCache]: Analyzing trace with hash -953275064, now seen corresponding path program 1 times [2024-11-03 13:43:00,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 13:43:00,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [904026873] [2024-11-03 13:43:00,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 13:43:00,586 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 13:43:00,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 13:43:00,589 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 13:43:00,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-03 13:43:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 13:43:00,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-03 13:43:00,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 13:43:00,780 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-03 13:43:00,781 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 13:43:06,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-03 13:43:06,523 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 13:43:06,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [904026873] [2024-11-03 13:43:06,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [904026873] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 13:43:06,524 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 13:43:06,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 15 [2024-11-03 13:43:06,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049310600] [2024-11-03 13:43:06,524 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 13:43:06,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-03 13:43:06,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 13:43:06,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-03 13:43:06,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-03 13:43:06,526 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand has 15 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 11 states have internal predecessors, (24), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-03 13:43:10,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 13:43:10,824 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2024-11-03 13:43:10,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-03 13:43:10,824 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 11 states have internal predecessors, (24), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 21 [2024-11-03 13:43:10,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 13:43:10,825 INFO L225 Difference]: With dead ends: 45 [2024-11-03 13:43:10,825 INFO L226 Difference]: Without dead ends: 43 [2024-11-03 13:43:10,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2024-11-03 13:43:10,827 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 44 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-03 13:43:10,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 166 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-03 13:43:10,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-03 13:43:10,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2024-11-03 13:43:10,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 27 states have (on average 1.037037037037037) internal successors, (28), 28 states have internal predecessors, (28), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-03 13:43:10,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2024-11-03 13:43:10,835 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 21 [2024-11-03 13:43:10,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 13:43:10,835 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2024-11-03 13:43:10,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 11 states have internal predecessors, (24), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-03 13:43:10,836 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2024-11-03 13:43:10,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-03 13:43:10,837 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 13:43:10,837 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 13:43:10,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0 [2024-11-03 13:43:11,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 13:43:11,039 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION === [roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION, roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 13:43:11,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 13:43:11,039 INFO L85 PathProgramCache]: Analyzing trace with hash 809857432, now seen corresponding path program 1 times [2024-11-03 13:43:11,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 13:43:11,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1851236858] [2024-11-03 13:43:11,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 13:43:11,040 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 13:43:11,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 13:43:11,041 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 13:43:11,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-03 13:43:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 13:43:11,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-03 13:43:11,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 13:43:12,311 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-03 13:43:12,311 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 13:44:07,817 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-03 13:44:07,817 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 13:44:07,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1851236858] [2024-11-03 13:44:07,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1851236858] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 13:44:07,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 13:44:07,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12] total 21 [2024-11-03 13:44:07,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87327309] [2024-11-03 13:44:07,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 13:44:07,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-03 13:44:07,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 13:44:07,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-03 13:44:07,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=359, Unknown=1, NotChecked=0, Total=420 [2024-11-03 13:44:07,829 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand has 11 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-03 13:44:10,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-11-03 13:44:12,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2024-11-03 13:44:13,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2024-11-03 13:44:16,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2024-11-03 13:44:19,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2024-11-03 13:44:21,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2024-11-03 13:44:22,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2024-11-03 13:44:25,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2024-11-03 13:44:27,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2024-11-03 13:44:29,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2024-11-03 13:44:31,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1]