/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-99.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 01:59:11,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 01:59:12,003 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 01:59:12,007 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 01:59:12,008 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 01:59:12,032 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 01:59:12,032 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 01:59:12,033 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 01:59:12,033 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 01:59:12,037 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 01:59:12,037 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 01:59:12,037 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 01:59:12,037 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 01:59:12,039 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 01:59:12,039 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 01:59:12,039 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 01:59:12,039 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 01:59:12,040 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 01:59:12,040 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 01:59:12,041 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 01:59:12,041 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 01:59:12,041 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 01:59:12,041 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 01:59:12,041 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 01:59:12,042 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 01:59:12,042 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 01:59:12,042 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 01:59:12,042 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 01:59:12,042 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 01:59:12,042 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 01:59:12,043 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 01:59:12,043 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 01:59:12,043 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 01:59:12,043 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 01:59:12,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 01:59:12,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 01:59:12,044 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 01:59:12,044 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 01:59:12,044 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 01:59:12,044 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 01:59:12,044 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 01:59:12,045 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 01:59:12,045 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 01:59:12,045 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 01:59:12,045 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 01:59:12,045 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 01:59:12,045 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 01:59:12,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 01:59:12,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 01:59:12,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 01:59:12,244 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 01:59:12,245 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 01:59:12,246 INFO L431 ainManager$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-99.i [2023-12-23 01:59:13,375 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 01:59:13,598 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 01:59:13,599 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-99.i [2023-12-23 01:59:13,607 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1987ad2d3/8b374288a82c44cd9da425ef37b8e113/FLAG6adf57a06 [2023-12-23 01:59:13,622 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1987ad2d3/8b374288a82c44cd9da425ef37b8e113 [2023-12-23 01:59:13,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 01:59:13,627 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 01:59:13,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 01:59:13,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 01:59:13,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 01:59:13,634 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:59:13" (1/1) ... [2023-12-23 01:59:13,635 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d196e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:59:13, skipping insertion in model container [2023-12-23 01:59:13,635 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:59:13" (1/1) ... [2023-12-23 01:59:13,668 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 01:59:13,865 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-99.i[915,928] [2023-12-23 01:59:13,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 01:59:13,942 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 01:59:13,954 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-99.i[915,928] [2023-12-23 01:59:13,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 01:59:14,002 INFO L206 MainTranslator]: Completed translation [2023-12-23 01:59:14,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:59:14 WrapperNode [2023-12-23 01:59:14,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 01:59:14,004 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 01:59:14,004 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 01:59:14,004 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 01:59:14,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:59:14" (1/1) ... [2023-12-23 01:59:14,035 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:59:14" (1/1) ... [2023-12-23 01:59:14,084 INFO L138 Inliner]: procedures = 27, calls = 51, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 203 [2023-12-23 01:59:14,085 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 01:59:14,085 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 01:59:14,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 01:59:14,086 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 01:59:14,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:59:14" (1/1) ... [2023-12-23 01:59:14,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:59:14" (1/1) ... [2023-12-23 01:59:14,110 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:59:14" (1/1) ... [2023-12-23 01:59:14,127 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 01:59:14,127 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:59:14" (1/1) ... [2023-12-23 01:59:14,127 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:59:14" (1/1) ... [2023-12-23 01:59:14,153 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:59:14" (1/1) ... [2023-12-23 01:59:14,156 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:59:14" (1/1) ... [2023-12-23 01:59:14,157 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:59:14" (1/1) ... [2023-12-23 01:59:14,159 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:59:14" (1/1) ... [2023-12-23 01:59:14,197 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 01:59:14,197 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 01:59:14,198 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 01:59:14,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 01:59:14,198 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:59:14" (1/1) ... [2023-12-23 01:59:14,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 01:59:14,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 01:59:14,242 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 01:59:14,259 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 01:59:14,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 01:59:14,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 01:59:14,265 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 01:59:14,265 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 01:59:14,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 01:59:14,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 01:59:14,334 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 01:59:14,336 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 01:59:16,703 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 01:59:16,772 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 01:59:16,772 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 01:59:16,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:59:16 BoogieIcfgContainer [2023-12-23 01:59:16,772 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 01:59:16,774 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 01:59:16,774 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 01:59:16,777 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 01:59:16,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:59:13" (1/3) ... [2023-12-23 01:59:16,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d9fa916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:59:16, skipping insertion in model container [2023-12-23 01:59:16,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:59:14" (2/3) ... [2023-12-23 01:59:16,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d9fa916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:59:16, skipping insertion in model container [2023-12-23 01:59:16,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:59:16" (3/3) ... [2023-12-23 01:59:16,778 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-99.i [2023-12-23 01:59:16,790 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 01:59:16,791 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 01:59:16,839 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 01:59:16,844 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;@4070908e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 01:59:16,845 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 01:59:16,849 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 47 states have internal predecessors, (62), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-23 01:59:16,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2023-12-23 01:59:16,868 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 01:59:16,869 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:59:16,869 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 01:59:16,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 01:59:16,874 INFO L85 PathProgramCache]: Analyzing trace with hash -600676618, now seen corresponding path program 1 times [2023-12-23 01:59:16,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 01:59:16,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1445205065] [2023-12-23 01:59:16,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 01:59:16,887 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 01:59:16,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 01:59:16,889 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 01:59:16,923 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 01:59:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 01:59:17,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 01:59:17,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 01:59:17,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 1218 proven. 0 refuted. 0 times theorem prover too weak. 1594 trivial. 0 not checked. [2023-12-23 01:59:17,285 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 01:59:17,285 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 01:59:17,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1445205065] [2023-12-23 01:59:17,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1445205065] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 01:59:17,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 01:59:17,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 01:59:17,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872668060] [2023-12-23 01:59:17,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 01:59:17,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 01:59:17,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 01:59:17,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 01:59:17,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 01:59:17,310 INFO L87 Difference]: Start difference. First operand has 87 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 47 states have internal predecessors, (62), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-12-23 01:59:18,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 01:59:18,208 INFO L93 Difference]: Finished difference Result 171 states and 312 transitions. [2023-12-23 01:59:18,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 01:59:18,236 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 227 [2023-12-23 01:59:18,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 01:59:18,243 INFO L225 Difference]: With dead ends: 171 [2023-12-23 01:59:18,243 INFO L226 Difference]: Without dead ends: 85 [2023-12-23 01:59:18,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 226 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 01:59:18,248 INFO L413 NwaCegarLoop]: 130 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, 130 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 01:59:18,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-23 01:59:18,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-12-23 01:59:18,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2023-12-23 01:59:18,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 45 states have (on average 1.2666666666666666) internal successors, (57), 45 states have internal predecessors, (57), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-23 01:59:18,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 133 transitions. [2023-12-23 01:59:18,280 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 133 transitions. Word has length 227 [2023-12-23 01:59:18,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 01:59:18,281 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 133 transitions. [2023-12-23 01:59:18,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-12-23 01:59:18,281 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 133 transitions. [2023-12-23 01:59:18,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2023-12-23 01:59:18,284 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 01:59:18,284 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:59:18,296 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 01:59:18,492 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 01:59:18,499 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 01:59:18,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 01:59:18,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1562260602, now seen corresponding path program 1 times [2023-12-23 01:59:18,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 01:59:18,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [547729394] [2023-12-23 01:59:18,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 01:59:18,502 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 01:59:18,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 01:59:18,503 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 01:59:18,505 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 01:59:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 01:59:18,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-23 01:59:18,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 01:59:19,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 617 proven. 195 refuted. 0 times theorem prover too weak. 2000 trivial. 0 not checked. [2023-12-23 01:59:19,977 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 01:59:20,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 21 proven. 198 refuted. 0 times theorem prover too weak. 2593 trivial. 0 not checked. [2023-12-23 01:59:20,511 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 01:59:20,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [547729394] [2023-12-23 01:59:20,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [547729394] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 01:59:20,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 01:59:20,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2023-12-23 01:59:20,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840336685] [2023-12-23 01:59:20,513 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 01:59:20,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-23 01:59:20,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 01:59:20,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-23 01:59:20,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2023-12-23 01:59:20,516 INFO L87 Difference]: Start difference. First operand 85 states and 133 transitions. Second operand has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 3 states have call successors, (72), 3 states have call predecessors, (72), 7 states have return successors, (73), 3 states have call predecessors, (73), 3 states have call successors, (73) [2023-12-23 01:59:23,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 01:59:24,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 01:59:24,264 INFO L93 Difference]: Finished difference Result 279 states and 417 transitions. [2023-12-23 01:59:24,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-12-23 01:59:24,265 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 3 states have call successors, (72), 3 states have call predecessors, (72), 7 states have return successors, (73), 3 states have call predecessors, (73), 3 states have call successors, (73) Word has length 227 [2023-12-23 01:59:24,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 01:59:24,268 INFO L225 Difference]: With dead ends: 279 [2023-12-23 01:59:24,268 INFO L226 Difference]: Without dead ends: 195 [2023-12-23 01:59:24,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 442 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=315, Invalid=741, Unknown=0, NotChecked=0, Total=1056 [2023-12-23 01:59:24,270 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 171 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-12-23 01:59:24,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 442 Invalid, 770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-12-23 01:59:24,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2023-12-23 01:59:24,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 95. [2023-12-23 01:59:24,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 53 states have internal predecessors, (64), 38 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-23 01:59:24,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 140 transitions. [2023-12-23 01:59:24,315 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 140 transitions. Word has length 227 [2023-12-23 01:59:24,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 01:59:24,327 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 140 transitions. [2023-12-23 01:59:24,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 3 states have call successors, (72), 3 states have call predecessors, (72), 7 states have return successors, (73), 3 states have call predecessors, (73), 3 states have call successors, (73) [2023-12-23 01:59:24,327 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 140 transitions. [2023-12-23 01:59:24,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2023-12-23 01:59:24,329 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 01:59:24,329 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:59:24,357 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 01:59:24,537 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 01:59:24,539 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 01:59:24,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 01:59:24,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1169233592, now seen corresponding path program 1 times [2023-12-23 01:59:24,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 01:59:24,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1992691308] [2023-12-23 01:59:24,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 01:59:24,540 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 01:59:24,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 01:59:24,541 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 01:59:24,543 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 01:59:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 01:59:25,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-23 01:59:25,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 01:59:26,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 27 proven. 1120 refuted. 0 times theorem prover too weak. 1665 trivial. 0 not checked. [2023-12-23 01:59:26,705 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 01:59:27,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 27 proven. 84 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2023-12-23 01:59:27,225 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 01:59:27,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1992691308] [2023-12-23 01:59:27,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1992691308] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 01:59:27,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 01:59:27,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-12-23 01:59:27,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285473265] [2023-12-23 01:59:27,226 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 01:59:27,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-23 01:59:27,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 01:59:27,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-23 01:59:27,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-12-23 01:59:27,228 INFO L87 Difference]: Start difference. First operand 95 states and 140 transitions. Second operand has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 states have internal predecessors, (84), 4 states have call successors, (76), 3 states have call predecessors, (76), 5 states have return successors, (76), 4 states have call predecessors, (76), 4 states have call successors, (76) [2023-12-23 01:59:29,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 01:59:30,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 01:59:30,280 INFO L93 Difference]: Finished difference Result 241 states and 338 transitions. [2023-12-23 01:59:30,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-23 01:59:30,280 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 states have internal predecessors, (84), 4 states have call successors, (76), 3 states have call predecessors, (76), 5 states have return successors, (76), 4 states have call predecessors, (76), 4 states have call successors, (76) Word has length 227 [2023-12-23 01:59:30,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 01:59:30,282 INFO L225 Difference]: With dead ends: 241 [2023-12-23 01:59:30,282 INFO L226 Difference]: Without dead ends: 147 [2023-12-23 01:59:30,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 463 GetRequests, 445 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=242, Unknown=0, NotChecked=0, Total=380 [2023-12-23 01:59:30,283 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 206 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-23 01:59:30,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 233 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-23 01:59:30,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-12-23 01:59:30,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 132. [2023-12-23 01:59:30,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 77 states have (on average 1.1688311688311688) internal successors, (90), 78 states have internal predecessors, (90), 47 states have call successors, (47), 7 states have call predecessors, (47), 7 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2023-12-23 01:59:30,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 184 transitions. [2023-12-23 01:59:30,297 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 184 transitions. Word has length 227 [2023-12-23 01:59:30,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 01:59:30,298 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 184 transitions. [2023-12-23 01:59:30,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 states have internal predecessors, (84), 4 states have call successors, (76), 3 states have call predecessors, (76), 5 states have return successors, (76), 4 states have call predecessors, (76), 4 states have call successors, (76) [2023-12-23 01:59:30,298 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2023-12-23 01:59:30,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-12-23 01:59:30,300 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 01:59:30,300 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:59:30,318 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 01:59:30,507 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 01:59:30,510 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 01:59:30,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 01:59:30,511 INFO L85 PathProgramCache]: Analyzing trace with hash -754010466, now seen corresponding path program 1 times [2023-12-23 01:59:30,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 01:59:30,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1329248000] [2023-12-23 01:59:30,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 01:59:30,512 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 01:59:30,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 01:59:30,529 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 01:59:30,554 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 01:59:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 01:59:30,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-23 01:59:30,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 01:59:31,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2023-12-23 01:59:31,187 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 01:59:31,187 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 01:59:31,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1329248000] [2023-12-23 01:59:31,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1329248000] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 01:59:31,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 01:59:31,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-23 01:59:31,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012150657] [2023-12-23 01:59:31,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 01:59:31,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-23 01:59:31,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 01:59:31,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-23 01:59:31,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-23 01:59:31,189 INFO L87 Difference]: Start difference. First operand 132 states and 184 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-12-23 01:59:32,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 01:59:32,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 01:59:32,552 INFO L93 Difference]: Finished difference Result 394 states and 550 transitions. [2023-12-23 01:59:32,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-23 01:59:32,553 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 228 [2023-12-23 01:59:32,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 01:59:32,557 INFO L225 Difference]: With dead ends: 394 [2023-12-23 01:59:32,557 INFO L226 Difference]: Without dead ends: 263 [2023-12-23 01:59:32,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 225 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 01:59:32,561 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 24 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-23 01:59:32,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 364 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-23 01:59:32,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2023-12-23 01:59:32,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 261. [2023-12-23 01:59:32,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 152 states have (on average 1.1644736842105263) internal successors, (177), 154 states have internal predecessors, (177), 94 states have call successors, (94), 14 states have call predecessors, (94), 14 states have return successors, (94), 92 states have call predecessors, (94), 94 states have call successors, (94) [2023-12-23 01:59:32,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 365 transitions. [2023-12-23 01:59:32,628 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 365 transitions. Word has length 228 [2023-12-23 01:59:32,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 01:59:32,629 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 365 transitions. [2023-12-23 01:59:32,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-12-23 01:59:32,629 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 365 transitions. [2023-12-23 01:59:32,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-12-23 01:59:32,631 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 01:59:32,632 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:59:32,639 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 (5)] Ended with exit code 0 [2023-12-23 01:59:32,839 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 01:59:32,840 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 01:59:32,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 01:59:32,841 INFO L85 PathProgramCache]: Analyzing trace with hash -696752164, now seen corresponding path program 1 times [2023-12-23 01:59:32,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 01:59:32,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [915712826] [2023-12-23 01:59:32,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 01:59:32,842 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 01:59:32,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 01:59:32,843 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 01:59:32,867 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 01:59:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 01:59:33,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 49 conjunts are in the unsatisfiable core [2023-12-23 01:59:33,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 02:01:31,846 WARN L293 SmtUtils]: Spent 20.70s on a formula simplification that was a NOOP. DAG size: 119 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)