/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-16.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 00:59:30,248 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 00:59:30,331 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 00:59:30,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 00:59:30,335 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 00:59:30,358 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 00:59:30,358 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 00:59:30,358 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 00:59:30,359 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 00:59:30,362 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 00:59:30,362 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 00:59:30,362 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 00:59:30,363 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 00:59:30,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 00:59:30,364 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 00:59:30,364 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 00:59:30,364 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 00:59:30,365 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 00:59:30,365 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 00:59:30,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 00:59:30,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 00:59:30,366 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 00:59:30,366 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 00:59:30,366 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 00:59:30,367 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 00:59:30,367 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 00:59:30,367 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 00:59:30,367 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 00:59:30,367 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 00:59:30,367 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 00:59:30,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 00:59:30,368 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 00:59:30,368 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 00:59:30,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 00:59:30,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 00:59:30,369 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 00:59:30,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 00:59:30,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 00:59:30,369 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 00:59:30,369 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 00:59:30,370 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 00:59:30,370 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 00:59:30,370 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 00:59:30,370 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 00:59:30,370 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 00:59:30,371 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 00:59:30,371 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 00:59:30,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 00:59:30,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 00:59:30,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 00:59:30,588 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 00:59:30,588 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 00:59:30,590 INFO L431 ainManager$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-16.i [2023-12-23 00:59:31,579 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 00:59:31,759 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 00:59:31,760 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-16.i [2023-12-23 00:59:31,767 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d64f1aa4a/066c171f5b7b4026840287e27675a39a/FLAG7c9f3d7dd [2023-12-23 00:59:31,776 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d64f1aa4a/066c171f5b7b4026840287e27675a39a [2023-12-23 00:59:31,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 00:59:31,780 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 00:59:31,780 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 00:59:31,781 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 00:59:31,784 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 00:59:31,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 12:59:31" (1/1) ... [2023-12-23 00:59:31,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3664966f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:31, skipping insertion in model container [2023-12-23 00:59:31,785 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 12:59:31" (1/1) ... [2023-12-23 00:59:31,811 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 00:59:31,931 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-16.i[915,928] [2023-12-23 00:59:32,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 00:59:32,031 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 00:59:32,044 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-16.i[915,928] [2023-12-23 00:59:32,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 00:59:32,112 INFO L206 MainTranslator]: Completed translation [2023-12-23 00:59:32,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:32 WrapperNode [2023-12-23 00:59:32,113 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 00:59:32,114 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 00:59:32,114 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 00:59:32,114 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 00:59:32,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:32" (1/1) ... [2023-12-23 00:59:32,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:32" (1/1) ... [2023-12-23 00:59:32,174 INFO L138 Inliner]: procedures = 27, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 201 [2023-12-23 00:59:32,175 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 00:59:32,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 00:59:32,176 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 00:59:32,176 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 00:59:32,184 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:32" (1/1) ... [2023-12-23 00:59:32,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:32" (1/1) ... [2023-12-23 00:59:32,201 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:32" (1/1) ... [2023-12-23 00:59:32,219 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 00:59:32,220 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:32" (1/1) ... [2023-12-23 00:59:32,220 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:32" (1/1) ... [2023-12-23 00:59:32,227 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:32" (1/1) ... [2023-12-23 00:59:32,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:32" (1/1) ... [2023-12-23 00:59:32,244 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:32" (1/1) ... [2023-12-23 00:59:32,245 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:32" (1/1) ... [2023-12-23 00:59:32,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 00:59:32,248 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 00:59:32,248 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 00:59:32,248 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 00:59:32,249 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:32" (1/1) ... [2023-12-23 00:59:32,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 00:59:32,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 00:59:32,276 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 00:59:32,295 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 00:59:32,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 00:59:32,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 00:59:32,301 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 00:59:32,301 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 00:59:32,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 00:59:32,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 00:59:32,364 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 00:59:32,366 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 00:59:33,774 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 00:59:33,820 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 00:59:33,821 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 00:59:33,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 12:59:33 BoogieIcfgContainer [2023-12-23 00:59:33,821 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 00:59:33,823 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 00:59:33,823 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 00:59:33,825 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 00:59:33,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 12:59:31" (1/3) ... [2023-12-23 00:59:33,826 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d4f45a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 12:59:33, skipping insertion in model container [2023-12-23 00:59:33,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:59:32" (2/3) ... [2023-12-23 00:59:33,826 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d4f45a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 12:59:33, skipping insertion in model container [2023-12-23 00:59:33,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 12:59:33" (3/3) ... [2023-12-23 00:59:33,827 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-16.i [2023-12-23 00:59:33,843 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 00:59:33,843 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 00:59:33,886 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 00:59:33,891 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;@31aa6d65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 00:59:33,892 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 00:59:33,896 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 46 states have (on average 1.3695652173913044) internal successors, (63), 47 states have internal predecessors, (63), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-12-23 00:59:33,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-12-23 00:59:33,907 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 00:59:33,907 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:59:33,908 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 00:59:33,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 00:59:33,911 INFO L85 PathProgramCache]: Analyzing trace with hash -398430181, now seen corresponding path program 1 times [2023-12-23 00:59:33,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 00:59:33,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [777095759] [2023-12-23 00:59:33,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 00:59:33,923 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 00:59:33,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 00:59:33,925 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 00:59:33,944 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 00:59:34,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 00:59:34,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 00:59:34,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 00:59:34,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1034 proven. 0 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2023-12-23 00:59:34,418 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 00:59:34,419 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 00:59:34,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [777095759] [2023-12-23 00:59:34,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [777095759] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 00:59:34,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 00:59:34,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 00:59:34,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212111348] [2023-12-23 00:59:34,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 00:59:34,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 00:59:34,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 00:59:34,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 00:59:34,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 00:59:34,454 INFO L87 Difference]: Start difference. First operand has 83 states, 46 states have (on average 1.3695652173913044) internal successors, (63), 47 states have internal predecessors, (63), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-12-23 00:59:35,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 00:59:35,390 INFO L93 Difference]: Finished difference Result 163 states and 294 transitions. [2023-12-23 00:59:35,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 00:59:35,413 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 208 [2023-12-23 00:59:35,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 00:59:35,418 INFO L225 Difference]: With dead ends: 163 [2023-12-23 00:59:35,418 INFO L226 Difference]: Without dead ends: 81 [2023-12-23 00:59:35,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 207 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 00:59:35,424 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-23 00:59:35,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-23 00:59:35,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-12-23 00:59:35,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-12-23 00:59:35,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 45 states have (on average 1.288888888888889) internal successors, (58), 45 states have internal predecessors, (58), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-12-23 00:59:35,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 126 transitions. [2023-12-23 00:59:35,459 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 126 transitions. Word has length 208 [2023-12-23 00:59:35,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 00:59:35,459 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 126 transitions. [2023-12-23 00:59:35,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-12-23 00:59:35,459 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2023-12-23 00:59:35,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-12-23 00:59:35,462 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 00:59:35,462 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:59:35,474 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 (2)] Ended with exit code 0 [2023-12-23 00:59:35,667 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 00:59:35,668 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 00:59:35,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 00:59:35,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1386072743, now seen corresponding path program 1 times [2023-12-23 00:59:35,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 00:59:35,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [48548161] [2023-12-23 00:59:35,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 00:59:35,670 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 00:59:35,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 00:59:35,672 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 00:59:35,682 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 00:59:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 00:59:36,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-23 00:59:36,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 00:59:36,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-12-23 00:59:36,137 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 00:59:36,137 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 00:59:36,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [48548161] [2023-12-23 00:59:36,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [48548161] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 00:59:36,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 00:59:36,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-23 00:59:36,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400920332] [2023-12-23 00:59:36,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 00:59:36,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 00:59:36,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 00:59:36,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 00:59:36,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 00:59:36,140 INFO L87 Difference]: Start difference. First operand 81 states and 126 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-12-23 00:59:37,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:59:37,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 00:59:37,919 INFO L93 Difference]: Finished difference Result 180 states and 279 transitions. [2023-12-23 00:59:37,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 00:59:37,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 208 [2023-12-23 00:59:37,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 00:59:37,922 INFO L225 Difference]: With dead ends: 180 [2023-12-23 00:59:37,922 INFO L226 Difference]: Without dead ends: 100 [2023-12-23 00:59:37,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 00:59:37,924 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 15 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-23 00:59:37,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 234 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-23 00:59:37,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-12-23 00:59:37,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 94. [2023-12-23 00:59:37,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 58 states have (on average 1.3448275862068966) internal successors, (78), 58 states have internal predecessors, (78), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-12-23 00:59:37,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 146 transitions. [2023-12-23 00:59:37,933 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 146 transitions. Word has length 208 [2023-12-23 00:59:37,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 00:59:37,935 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 146 transitions. [2023-12-23 00:59:37,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-12-23 00:59:37,935 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 146 transitions. [2023-12-23 00:59:37,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-12-23 00:59:37,937 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 00:59:37,937 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:59:37,952 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 00:59:38,152 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 00:59:38,153 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 00:59:38,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 00:59:38,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1386013161, now seen corresponding path program 1 times [2023-12-23 00:59:38,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 00:59:38,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [746757867] [2023-12-23 00:59:38,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 00:59:38,154 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 00:59:38,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 00:59:38,155 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 00:59:38,180 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 00:59:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 00:59:38,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-23 00:59:38,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 01:00:29,870 WARN L293 SmtUtils]: Spent 7.99s on a formula simplification that was a NOOP. DAG size: 107 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)