/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-15.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 00:59:09,539 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 00:59:09,578 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-23 00:59:09,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 00:59:09,582 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 00:59:09,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 00:59:09,596 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 00:59:09,597 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 00:59:09,597 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 00:59:09,597 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 00:59:09,598 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 00:59:09,598 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 00:59:09,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 00:59:09,598 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 00:59:09,599 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 00:59:09,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 00:59:09,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 00:59:09,600 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 00:59:09,600 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 00:59:09,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 00:59:09,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 00:59:09,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 00:59:09,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 00:59:09,601 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 00:59:09,612 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 00:59:09,613 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 00:59:09,613 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 00:59:09,613 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 00:59:09,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 00:59:09,614 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 00:59:09,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 00:59:09,614 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 00:59:09,614 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 00:59:09,615 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 00:59:09,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 00:59:09,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 00:59:09,615 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 00:59:09,616 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 00:59:09,616 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 00:59:09,616 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 00:59:09,616 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 00:59:09,617 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 00:59:09,617 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 00:59:09,617 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 00:59:09,617 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 00:59:09,617 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 00:59:09,617 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 00:59:09,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 00:59:09,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 00:59:09,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 00:59:09,768 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 00:59:09,768 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 00:59:09,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-15.i [2023-12-23 00:59:10,912 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 00:59:11,061 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 00:59:11,062 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-15.i [2023-12-23 00:59:11,075 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9b47fb16/0398559f91b84df5892f752b6ec330be/FLAGc6e6f27f6 [2023-12-23 00:59:11,088 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9b47fb16/0398559f91b84df5892f752b6ec330be [2023-12-23 00:59:11,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 00:59:11,093 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 00:59:11,093 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 00:59:11,094 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 00:59:11,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 00:59:11,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 12:59:11" (1/1) ... [2023-12-23 00:59:11,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@123f80aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:11, skipping insertion in model container [2023-12-23 00:59:11,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 12:59:11" (1/1) ... [2023-12-23 00:59:11,133 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 00:59:11,251 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-15.i[915,928] [2023-12-23 00:59:11,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 00:59:11,306 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 00:59:11,314 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-15.i[915,928] [2023-12-23 00:59:11,336 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 00:59:11,350 INFO L206 MainTranslator]: Completed translation [2023-12-23 00:59:11,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:11 WrapperNode [2023-12-23 00:59:11,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 00:59:11,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 00:59:11,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 00:59:11,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 00:59:11,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:11" (1/1) ... [2023-12-23 00:59:11,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:11" (1/1) ... [2023-12-23 00:59:11,389 INFO L138 Inliner]: procedures = 27, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 191 [2023-12-23 00:59:11,390 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 00:59:11,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 00:59:11,390 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 00:59:11,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 00:59:11,407 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:11" (1/1) ... [2023-12-23 00:59:11,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:11" (1/1) ... [2023-12-23 00:59:11,413 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:11" (1/1) ... [2023-12-23 00:59:11,426 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]. [2023-12-23 00:59:11,426 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:11" (1/1) ... [2023-12-23 00:59:11,426 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:11" (1/1) ... [2023-12-23 00:59:11,440 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:11" (1/1) ... [2023-12-23 00:59:11,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:11" (1/1) ... [2023-12-23 00:59:11,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:11" (1/1) ... [2023-12-23 00:59:11,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:11" (1/1) ... [2023-12-23 00:59:11,462 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 00:59:11,463 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 00:59:11,463 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 00:59:11,464 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 00:59:11,464 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:11" (1/1) ... [2023-12-23 00:59:11,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 00:59:11,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 00:59:11,506 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) [2023-12-23 00:59:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 00:59:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 00:59:11,533 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 00:59:11,533 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 00:59:11,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 00:59:11,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 00:59:11,527 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 [2023-12-23 00:59:11,629 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 00:59:11,631 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 00:59:14,910 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 00:59:14,956 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 00:59:14,956 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 00:59:14,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 12:59:14 BoogieIcfgContainer [2023-12-23 00:59:14,956 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 00:59:14,959 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 00:59:14,959 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 00:59:14,961 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 00:59:14,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 12:59:11" (1/3) ... [2023-12-23 00:59:14,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ec14338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 12:59:14, skipping insertion in model container [2023-12-23 00:59:14,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:11" (2/3) ... [2023-12-23 00:59:14,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ec14338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 12:59:14, skipping insertion in model container [2023-12-23 00:59:14,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 12:59:14" (3/3) ... [2023-12-23 00:59:14,963 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-15.i [2023-12-23 00:59:14,975 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 00:59:14,976 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 00:59:15,011 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 00:59:15,018 INFO L357 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, mHoare=true, 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;@63416358, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 00:59:15,019 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 00:59:15,022 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 44 states have (on average 1.3863636363636365) internal successors, (61), 45 states have internal predecessors, (61), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-23 00:59:15,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-12-23 00:59:15,034 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 00:59:15,035 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 00:59:15,035 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 00:59:15,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 00:59:15,039 INFO L85 PathProgramCache]: Analyzing trace with hash -859786087, now seen corresponding path program 1 times [2023-12-23 00:59:15,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 00:59:15,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [704120721] [2023-12-23 00:59:15,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 00:59:15,050 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 [2023-12-23 00:59:15,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 00:59:15,053 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) [2023-12-23 00:59:15,054 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 [2023-12-23 00:59:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 00:59:15,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 00:59:15,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 00:59:15,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 818 proven. 0 refuted. 0 times theorem prover too weak. 922 trivial. 0 not checked. [2023-12-23 00:59:15,495 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 00:59:15,515 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 00:59:15,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [704120721] [2023-12-23 00:59:15,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [704120721] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 00:59:15,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 00:59:15,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 00:59:15,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046766084] [2023-12-23 00:59:15,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 00:59:15,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 00:59:15,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 00:59:15,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 00:59:15,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 00:59:15,574 INFO L87 Difference]: Start difference. First operand has 77 states, 44 states have (on average 1.3863636363636365) internal successors, (61), 45 states have internal predecessors, (61), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-12-23 00:59:16,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 00:59:16,623 INFO L93 Difference]: Finished difference Result 151 states and 270 transitions. [2023-12-23 00:59:16,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 00:59:16,648 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 184 [2023-12-23 00:59:16,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 00:59:16,655 INFO L225 Difference]: With dead ends: 151 [2023-12-23 00:59:16,655 INFO L226 Difference]: Without dead ends: 75 [2023-12-23 00:59:16,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 00:59:16,672 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-23 00:59:16,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-23 00:59:16,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-12-23 00:59:16,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-12-23 00:59:16,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 43 states have (on average 1.302325581395349) internal successors, (56), 43 states have internal predecessors, (56), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-23 00:59:16,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 116 transitions. [2023-12-23 00:59:16,735 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 116 transitions. Word has length 184 [2023-12-23 00:59:16,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 00:59:16,741 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 116 transitions. [2023-12-23 00:59:16,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-12-23 00:59:16,742 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 116 transitions. [2023-12-23 00:59:16,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-12-23 00:59:16,752 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 00:59:16,753 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 00:59:16,765 INFO L540 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)] Forceful destruction successful, exit code 0 [2023-12-23 00:59:16,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 00:59:16,971 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 00:59:16,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 00:59:16,972 INFO L85 PathProgramCache]: Analyzing trace with hash 833844877, now seen corresponding path program 1 times [2023-12-23 00:59:16,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 00:59:16,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1187431375] [2023-12-23 00:59:16,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 00:59:16,973 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 [2023-12-23 00:59:16,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 00:59:16,976 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 00:59:16,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-23 00:59:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 00:59:17,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-23 00:59:17,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 00:59:18,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2023-12-23 00:59:18,508 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 00:59:18,508 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 00:59:18,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1187431375] [2023-12-23 00:59:18,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1187431375] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 00:59:18,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 00:59:18,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-23 00:59:18,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269900781] [2023-12-23 00:59:18,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 00:59:18,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-23 00:59:18,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 00:59:18,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-23 00:59:18,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-23 00:59:18,511 INFO L87 Difference]: Start difference. First operand 75 states and 116 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-12-23 00:59:20,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:59:20,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 00:59:20,811 INFO L93 Difference]: Finished difference Result 224 states and 347 transitions. [2023-12-23 00:59:20,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-23 00:59:20,837 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 184 [2023-12-23 00:59:20,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 00:59:20,841 INFO L225 Difference]: With dead ends: 224 [2023-12-23 00:59:20,841 INFO L226 Difference]: Without dead ends: 150 [2023-12-23 00:59:20,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-23 00:59:20,842 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 58 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-23 00:59:20,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 326 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-23 00:59:20,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2023-12-23 00:59:20,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 130. [2023-12-23 00:59:20,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 67 states have (on average 1.208955223880597) internal successors, (81), 67 states have internal predecessors, (81), 60 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-23 00:59:20,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 201 transitions. [2023-12-23 00:59:20,871 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 201 transitions. Word has length 184 [2023-12-23 00:59:20,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 00:59:20,871 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 201 transitions. [2023-12-23 00:59:20,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-12-23 00:59:20,871 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 201 transitions. [2023-12-23 00:59:20,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-12-23 00:59:20,873 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 00:59:20,873 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 00:59:20,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-23 00:59:21,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 [2023-12-23 00:59:21,098 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 00:59:21,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 00:59:21,098 INFO L85 PathProgramCache]: Analyzing trace with hash -287456203, now seen corresponding path program 1 times [2023-12-23 00:59:21,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 00:59:21,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [120553747] [2023-12-23 00:59:21,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 00:59:21,099 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 [2023-12-23 00:59:21,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 00:59:21,105 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2023-12-23 00:59:21,153 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 (4)] Waiting until timeout for monitored process [2023-12-23 00:59:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 00:59:21,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-23 00:59:21,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 00:59:23,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2023-12-23 00:59:23,734 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 00:59:23,734 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 00:59:23,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [120553747] [2023-12-23 00:59:23,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [120553747] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 00:59:23,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 00:59:23,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-23 00:59:23,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621877233] [2023-12-23 00:59:23,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 00:59:23,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-23 00:59:23,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 00:59:23,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-23 00:59:23,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-23 00:59:23,736 INFO L87 Difference]: Start difference. First operand 130 states and 201 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-12-23 00:59:27,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:59:29,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 00:59:38,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 00:59:39,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-23 00:59:39,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 00:59:39,644 INFO L93 Difference]: Finished difference Result 278 states and 431 transitions. [2023-12-23 00:59:39,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-23 00:59:39,664 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 185 [2023-12-23 00:59:39,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 00:59:39,666 INFO L225 Difference]: With dead ends: 278 [2023-12-23 00:59:39,666 INFO L226 Difference]: Without dead ends: 204 [2023-12-23 00:59:39,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-23 00:59:39,668 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 84 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2023-12-23 00:59:39,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 299 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 15.2s Time] [2023-12-23 00:59:39,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2023-12-23 00:59:39,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 132. [2023-12-23 00:59:39,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 69 states have (on average 1.2028985507246377) internal successors, (83), 69 states have internal predecessors, (83), 60 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-23 00:59:39,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 203 transitions. [2023-12-23 00:59:39,721 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 203 transitions. Word has length 185 [2023-12-23 00:59:39,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 00:59:39,722 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 203 transitions. [2023-12-23 00:59:39,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-12-23 00:59:39,722 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 203 transitions. [2023-12-23 00:59:39,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-12-23 00:59:39,724 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 00:59:39,724 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 00:59:39,734 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-23 00:59:39,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 [2023-12-23 00:59:39,934 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 00:59:39,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 00:59:39,937 INFO L85 PathProgramCache]: Analyzing trace with hash 413608375, now seen corresponding path program 1 times [2023-12-23 00:59:39,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 00:59:39,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [895334186] [2023-12-23 00:59:39,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 00:59:39,938 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 [2023-12-23 00:59:39,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 00:59:39,939 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2023-12-23 00:59:39,965 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 (5)] Waiting until timeout for monitored process [2023-12-23 00:59:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 00:59:40,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-23 00:59:40,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 00:59:41,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 39 proven. 896 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-12-23 00:59:41,446 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 00:59:41,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 39 proven. 48 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-12-23 00:59:41,971 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 00:59:41,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [895334186] [2023-12-23 00:59:41,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [895334186] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 00:59:41,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 00:59:41,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-12-23 00:59:41,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921573849] [2023-12-23 00:59:41,971 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 00:59:41,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-23 00:59:41,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 00:59:41,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-23 00:59:41,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-12-23 00:59:41,973 INFO L87 Difference]: Start difference. First operand 132 states and 203 transitions. Second operand has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 4 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (60), 4 states have call predecessors, (60), 4 states have call successors, (60) [2023-12-23 00:59:44,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:59:47,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:59:48,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 00:59:48,387 INFO L93 Difference]: Finished difference Result 298 states and 447 transitions. [2023-12-23 00:59:48,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-23 00:59:48,403 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 4 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (60), 4 states have call predecessors, (60), 4 states have call successors, (60) Word has length 185 [2023-12-23 00:59:48,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 00:59:48,405 INFO L225 Difference]: With dead ends: 298 [2023-12-23 00:59:48,405 INFO L226 Difference]: Without dead ends: 222 [2023-12-23 00:59:48,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=198, Invalid=402, Unknown=0, NotChecked=0, Total=600 [2023-12-23 00:59:48,407 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 226 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-12-23 00:59:48,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 281 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2023-12-23 00:59:48,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2023-12-23 00:59:48,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 138. [2023-12-23 00:59:48,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 73 states have (on average 1.178082191780822) internal successors, (86), 73 states have internal predecessors, (86), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-23 00:59:48,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 206 transitions. [2023-12-23 00:59:48,472 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 206 transitions. Word has length 185 [2023-12-23 00:59:48,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 00:59:48,473 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 206 transitions. [2023-12-23 00:59:48,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 11 states have internal predecessors, (77), 4 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (60), 4 states have call predecessors, (60), 4 states have call successors, (60) [2023-12-23 00:59:48,473 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 206 transitions. [2023-12-23 00:59:48,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-12-23 00:59:48,475 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 00:59:48,475 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 00:59:48,498 INFO L540 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 (5)] Forceful destruction successful, exit code 0 [2023-12-23 00:59:48,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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 [2023-12-23 00:59:48,686 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 00:59:48,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 00:59:48,687 INFO L85 PathProgramCache]: Analyzing trace with hash -844199547, now seen corresponding path program 1 times [2023-12-23 00:59:48,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 00:59:48,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1574909444] [2023-12-23 00:59:48,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 00:59:48,687 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 [2023-12-23 00:59:48,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 00:59:48,688 INFO L229 MonitoredProcess]: Starting monitored process 6 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) [2023-12-23 00:59:48,690 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 (6)] Waiting until timeout for monitored process [2023-12-23 00:59:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 00:59:49,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-23 00:59:49,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 00:59:49,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 899 proven. 42 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2023-12-23 00:59:49,293 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 00:59:49,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 45 proven. 42 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-12-23 00:59:49,545 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 00:59:49,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1574909444] [2023-12-23 00:59:49,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1574909444] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 00:59:49,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 00:59:49,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2023-12-23 00:59:49,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388257151] [2023-12-23 00:59:49,545 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 00:59:49,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-23 00:59:49,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 00:59:49,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-23 00:59:49,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-23 00:59:49,547 INFO L87 Difference]: Start difference. First operand 138 states and 206 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 2 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-12-23 00:59:51,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:59:51,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 00:59:51,463 INFO L93 Difference]: Finished difference Result 229 states and 331 transitions. [2023-12-23 00:59:51,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-23 00:59:51,487 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 2 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 186 [2023-12-23 00:59:51,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 00:59:51,488 INFO L225 Difference]: With dead ends: 229 [2023-12-23 00:59:51,488 INFO L226 Difference]: Without dead ends: 151 [2023-12-23 00:59:51,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 363 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2023-12-23 00:59:51,489 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 147 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-23 00:59:51,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 161 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-23 00:59:51,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2023-12-23 00:59:51,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 143. [2023-12-23 00:59:51,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 76 states have (on average 1.0921052631578947) internal successors, (83), 76 states have internal predecessors, (83), 60 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-23 00:59:51,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 203 transitions. [2023-12-23 00:59:51,508 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 203 transitions. Word has length 186 [2023-12-23 00:59:51,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 00:59:51,509 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 203 transitions. [2023-12-23 00:59:51,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 2 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-12-23 00:59:51,509 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 203 transitions. [2023-12-23 00:59:51,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-12-23 00:59:51,510 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 00:59:51,510 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 00:59:51,520 INFO L540 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 (6)] Forceful destruction successful, exit code 0 [2023-12-23 00:59:51,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /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 [2023-12-23 00:59:51,721 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 00:59:51,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 00:59:51,721 INFO L85 PathProgramCache]: Analyzing trace with hash -973487803, now seen corresponding path program 1 times [2023-12-23 00:59:51,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 00:59:51,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [901779251] [2023-12-23 00:59:51,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 00:59:51,722 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 [2023-12-23 00:59:51,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 00:59:51,723 INFO L229 MonitoredProcess]: Starting monitored process 7 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) [2023-12-23 00:59:51,725 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 (7)] Waiting until timeout for monitored process [2023-12-23 00:59:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 00:59:52,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-23 00:59:52,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 00:59:52,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 899 proven. 42 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2023-12-23 00:59:52,514 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 00:59:52,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 45 proven. 42 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-12-23 00:59:52,758 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 00:59:52,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [901779251] [2023-12-23 00:59:52,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [901779251] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 00:59:52,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 00:59:52,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2023-12-23 00:59:52,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720834116] [2023-12-23 00:59:52,758 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 00:59:52,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-23 00:59:52,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 00:59:52,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-23 00:59:52,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-23 00:59:52,760 INFO L87 Difference]: Start difference. First operand 143 states and 203 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 2 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-12-23 00:59:54,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:59:55,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 00:59:55,064 INFO L93 Difference]: Finished difference Result 230 states and 322 transitions. [2023-12-23 00:59:55,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-23 00:59:55,088 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 2 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 186 [2023-12-23 00:59:55,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 00:59:55,089 INFO L225 Difference]: With dead ends: 230 [2023-12-23 00:59:55,090 INFO L226 Difference]: Without dead ends: 151 [2023-12-23 00:59:55,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 363 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2023-12-23 00:59:55,091 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 110 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-23 00:59:55,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 162 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-23 00:59:55,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2023-12-23 00:59:55,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 143. [2023-12-23 00:59:55,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 76 states have (on average 1.0789473684210527) internal successors, (82), 76 states have internal predecessors, (82), 60 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-23 00:59:55,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 202 transitions. [2023-12-23 00:59:55,108 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 202 transitions. Word has length 186 [2023-12-23 00:59:55,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 00:59:55,108 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 202 transitions. [2023-12-23 00:59:55,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 2 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-12-23 00:59:55,108 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 202 transitions. [2023-12-23 00:59:55,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-12-23 00:59:55,110 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 00:59:55,110 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 00:59:55,135 INFO L540 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 (7)] Forceful destruction successful, exit code 0 [2023-12-23 00:59:55,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /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 [2023-12-23 00:59:55,336 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 00:59:55,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 00:59:55,336 INFO L85 PathProgramCache]: Analyzing trace with hash -916229501, now seen corresponding path program 1 times [2023-12-23 00:59:55,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 00:59:55,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455419916] [2023-12-23 00:59:55,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 00:59:55,337 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 [2023-12-23 00:59:55,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 00:59:55,338 INFO L229 MonitoredProcess]: Starting monitored process 8 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) [2023-12-23 00:59:55,343 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 (8)] Waiting until timeout for monitored process [2023-12-23 00:59:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 00:59:55,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-23 00:59:55,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 01:00:38,495 WARN L293 SmtUtils]: Spent 13.13s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 01:02:04,375 WARN L293 SmtUtils]: Spent 15.96s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 01:03:00,736 WARN L293 SmtUtils]: Spent 14.18s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 01:04:46,052 WARN L293 SmtUtils]: Spent 22.42s on a formula simplification that was a NOOP. DAG size: 61 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 01:06:43,439 WARN L293 SmtUtils]: Spent 23.54s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)