/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-50_file-25.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 05:55:48,207 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 05:55:48,246 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 05:55:48,249 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 05:55:48,249 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 05:55:48,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 05:55:48,263 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 05:55:48,264 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 05:55:48,264 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 05:55:48,264 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 05:55:48,264 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 05:55:48,265 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 05:55:48,265 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 05:55:48,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 05:55:48,265 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 05:55:48,266 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 05:55:48,266 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 05:55:48,266 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 05:55:48,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 05:55:48,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 05:55:48,267 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 05:55:48,267 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 05:55:48,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 05:55:48,267 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 05:55:48,268 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 05:55:48,268 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 05:55:48,268 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 05:55:48,268 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 05:55:48,268 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 05:55:48,268 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 05:55:48,268 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 05:55:48,269 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 05:55:48,269 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 05:55:48,269 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 05:55:48,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 05:55:48,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 05:55:48,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 05:55:48,269 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 05:55:48,269 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 05:55:48,270 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 05:55:48,270 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 05:55:48,270 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 05:55:48,270 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 05:55:48,270 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 05:55:48,270 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 05:55:48,270 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 05:55:48,270 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 05:55:48,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 05:55:48,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 05:55:48,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 05:55:48,455 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 05:55:48,456 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 05:55:48,458 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-25.i [2023-12-23 05:55:49,519 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 05:55:49,683 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 05:55:49,684 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-25.i [2023-12-23 05:55:49,690 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26f236981/fde761d00707485684a98e78c97fd37a/FLAGbac64b7a4 [2023-12-23 05:55:49,701 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26f236981/fde761d00707485684a98e78c97fd37a [2023-12-23 05:55:49,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 05:55:49,704 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 05:55:49,705 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 05:55:49,705 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 05:55:49,708 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 05:55:49,709 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 05:55:49" (1/1) ... [2023-12-23 05:55:49,709 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74ba76b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:55:49, skipping insertion in model container [2023-12-23 05:55:49,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 05:55:49" (1/1) ... [2023-12-23 05:55:49,742 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 05:55:49,841 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-50_file-25.i[915,928] [2023-12-23 05:55:49,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 05:55:49,914 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 05:55:49,923 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-50_file-25.i[915,928] [2023-12-23 05:55:49,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 05:55:49,966 INFO L206 MainTranslator]: Completed translation [2023-12-23 05:55:49,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:55:49 WrapperNode [2023-12-23 05:55:49,967 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 05:55:49,967 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 05:55:49,967 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 05:55:49,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 05:55:49,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:55:49" (1/1) ... [2023-12-23 05:55:49,992 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:55:49" (1/1) ... [2023-12-23 05:55:50,032 INFO L138 Inliner]: procedures = 27, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 230 [2023-12-23 05:55:50,033 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 05:55:50,033 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 05:55:50,034 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 05:55:50,034 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 05:55:50,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:55:49" (1/1) ... [2023-12-23 05:55:50,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:55:49" (1/1) ... [2023-12-23 05:55:50,047 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:55:49" (1/1) ... [2023-12-23 05:55:50,059 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 05:55:50,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:55:49" (1/1) ... [2023-12-23 05:55:50,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:55:49" (1/1) ... [2023-12-23 05:55:50,069 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:55:49" (1/1) ... [2023-12-23 05:55:50,072 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:55:49" (1/1) ... [2023-12-23 05:55:50,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:55:49" (1/1) ... [2023-12-23 05:55:50,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:55:49" (1/1) ... [2023-12-23 05:55:50,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 05:55:50,099 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 05:55:50,099 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 05:55:50,099 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 05:55:50,100 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:55:49" (1/1) ... [2023-12-23 05:55:50,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 05:55:50,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 05:55:50,132 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 05:55:50,152 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 05:55:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 05:55:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 05:55:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 05:55:50,158 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 05:55:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 05:55:50,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 05:55:50,247 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 05:55:50,248 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 05:56:01,714 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 05:56:01,741 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 05:56:01,742 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 05:56:01,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:56:01 BoogieIcfgContainer [2023-12-23 05:56:01,742 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 05:56:01,744 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 05:56:01,744 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 05:56:01,746 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 05:56:01,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 05:55:49" (1/3) ... [2023-12-23 05:56:01,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@146b579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 05:56:01, skipping insertion in model container [2023-12-23 05:56:01,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:55:49" (2/3) ... [2023-12-23 05:56:01,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@146b579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 05:56:01, skipping insertion in model container [2023-12-23 05:56:01,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:56:01" (3/3) ... [2023-12-23 05:56:01,748 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-25.i [2023-12-23 05:56:01,761 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 05:56:01,761 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 05:56:01,794 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 05:56:01,799 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;@445af682, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 05:56:01,799 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 05:56:01,802 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 59 states have (on average 1.4915254237288136) internal successors, (88), 60 states have internal predecessors, (88), 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 05:56:01,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-12-23 05:56:01,813 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 05:56:01,814 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, 1, 1, 1, 1, 1] [2023-12-23 05:56:01,815 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 05:56:01,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 05:56:01,819 INFO L85 PathProgramCache]: Analyzing trace with hash 407983680, now seen corresponding path program 1 times [2023-12-23 05:56:01,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 05:56:01,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [594781042] [2023-12-23 05:56:01,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 05:56:01,831 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 05:56:01,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 05:56:01,833 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 05:56:01,837 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 05:56:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 05:56:03,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-23 05:56:03,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 05:56:03,323 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 05:56:03,323 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 05:56:03,324 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 05:56:03,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [594781042] [2023-12-23 05:56:03,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [594781042] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 05:56:03,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 05:56:03,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-23 05:56:03,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269281867] [2023-12-23 05:56:03,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 05:56:03,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 05:56:03,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 05:56:03,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 05:56:03,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 05:56:03,351 INFO L87 Difference]: Start difference. First operand has 96 states, 59 states have (on average 1.4915254237288136) internal successors, (88), 60 states have internal predecessors, (88), 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 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 05:56:04,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 05:56:04,144 INFO L93 Difference]: Finished difference Result 248 states and 453 transitions. [2023-12-23 05:56:04,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 05:56:04,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 213 [2023-12-23 05:56:04,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 05:56:04,155 INFO L225 Difference]: With dead ends: 248 [2023-12-23 05:56:04,155 INFO L226 Difference]: Without dead ends: 153 [2023-12-23 05:56:04,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 05:56:04,162 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 88 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-23 05:56:04,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 282 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-23 05:56:04,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2023-12-23 05:56:04,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 150. [2023-12-23 05:56:04,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 101 states have (on average 1.4554455445544554) internal successors, (147), 102 states have internal predecessors, (147), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-23 05:56:04,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 239 transitions. [2023-12-23 05:56:04,224 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 239 transitions. Word has length 213 [2023-12-23 05:56:04,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 05:56:04,227 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 239 transitions. [2023-12-23 05:56:04,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 05:56:04,228 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 239 transitions. [2023-12-23 05:56:04,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-12-23 05:56:04,236 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 05:56:04,236 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, 1, 1, 1, 1, 1] [2023-12-23 05:56:04,267 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 05:56:04,454 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 05:56:04,454 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 05:56:04,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 05:56:04,455 INFO L85 PathProgramCache]: Analyzing trace with hash 963396680, now seen corresponding path program 1 times [2023-12-23 05:56:04,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 05:56:04,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [247132557] [2023-12-23 05:56:04,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 05:56:04,457 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 05:56:04,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 05:56:04,458 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 05:56:04,460 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 05:56:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 05:56:05,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-23 05:56:05,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 05:56:11,580 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 05:56:11,581 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 05:56:11,581 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 05:56:11,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [247132557] [2023-12-23 05:56:11,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [247132557] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 05:56:11,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 05:56:11,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-23 05:56:11,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187843411] [2023-12-23 05:56:11,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 05:56:11,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-23 05:56:11,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 05:56:11,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-23 05:56:11,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-23 05:56:11,584 INFO L87 Difference]: Start difference. First operand 150 states and 239 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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 05:56:12,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 05:56:12,568 INFO L93 Difference]: Finished difference Result 297 states and 473 transitions. [2023-12-23 05:56:12,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-23 05:56:12,589 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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 213 [2023-12-23 05:56:12,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 05:56:12,592 INFO L225 Difference]: With dead ends: 297 [2023-12-23 05:56:12,592 INFO L226 Difference]: Without dead ends: 148 [2023-12-23 05:56:12,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-23 05:56:12,594 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 143 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-23 05:56:12,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 254 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-23 05:56:12,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2023-12-23 05:56:12,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2023-12-23 05:56:12,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 99 states have (on average 1.3838383838383839) internal successors, (137), 100 states have internal predecessors, (137), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-23 05:56:12,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 229 transitions. [2023-12-23 05:56:12,610 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 229 transitions. Word has length 213 [2023-12-23 05:56:12,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 05:56:12,611 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 229 transitions. [2023-12-23 05:56:12,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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 05:56:12,611 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 229 transitions. [2023-12-23 05:56:12,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-12-23 05:56:12,613 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 05:56:12,613 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, 1, 1, 1, 1, 1, 1] [2023-12-23 05:56:12,641 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 05:56:12,827 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 05:56:12,828 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 05:56:12,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 05:56:12,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1997665436, now seen corresponding path program 1 times [2023-12-23 05:56:12,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 05:56:12,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1282855565] [2023-12-23 05:56:12,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 05:56:12,829 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 05:56:12,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 05:56:12,832 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 05:56:12,833 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 05:56:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 05:56:14,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-23 05:56:14,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 05:59:25,500 WARN L293 SmtUtils]: Spent 28.46s on a formula simplification that was a NOOP. DAG size: 66 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)