/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-100_file-83.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 00:41:57,678 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 00:41:57,748 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-23 00:41:57,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 00:41:57,753 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 00:41:57,775 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 00:41:57,775 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 00:41:57,775 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 00:41:57,776 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 00:41:57,780 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 00:41:57,780 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 00:41:57,780 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 00:41:57,781 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 00:41:57,782 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 00:41:57,782 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 00:41:57,782 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 00:41:57,783 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 00:41:57,783 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 00:41:57,783 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 00:41:57,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 00:41:57,784 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 00:41:57,784 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 00:41:57,785 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 00:41:57,785 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 00:41:57,785 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 00:41:57,785 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 00:41:57,785 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 00:41:57,785 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 00:41:57,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 00:41:57,786 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 00:41:57,786 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 00:41:57,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 00:41:57,787 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 00:41:57,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 00:41:57,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 00:41:57,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 00:41:57,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 00:41:57,788 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 00:41:57,788 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 00:41:57,788 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 00:41:57,788 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 00:41:57,788 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 00:41:57,788 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 00:41:57,788 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 00:41:57,789 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 00:41:57,789 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 00:41:57,789 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 00:41:58,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 00:41:58,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 00:41:58,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 00:41:58,062 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 00:41:58,063 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 00:41:58,064 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-83.i [2023-12-23 00:41:59,289 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 00:41:59,425 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 00:41:59,426 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-83.i [2023-12-23 00:41:59,432 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f00c31df2/4af72c99b7104fcf8ebdd1640615fedd/FLAG6ac37c7fc [2023-12-23 00:41:59,443 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f00c31df2/4af72c99b7104fcf8ebdd1640615fedd [2023-12-23 00:41:59,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 00:41:59,446 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 00:41:59,448 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 00:41:59,449 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 00:41:59,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 00:41:59,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 12:41:59" (1/1) ... [2023-12-23 00:41:59,453 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8bb49b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:41:59, skipping insertion in model container [2023-12-23 00:41:59,453 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 12:41:59" (1/1) ... [2023-12-23 00:41:59,491 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 00:41:59,600 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-100_file-83.i[916,929] [2023-12-23 00:41:59,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 00:41:59,675 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 00:41:59,692 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-100_file-83.i[916,929] [2023-12-23 00:41:59,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 00:41:59,785 INFO L206 MainTranslator]: Completed translation [2023-12-23 00:41:59,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:41:59 WrapperNode [2023-12-23 00:41:59,786 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 00:41:59,788 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 00:41:59,788 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 00:41:59,788 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 00:41:59,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:41:59" (1/1) ... [2023-12-23 00:41:59,806 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:41:59" (1/1) ... [2023-12-23 00:41:59,837 INFO L138 Inliner]: procedures = 27, calls = 63, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 273 [2023-12-23 00:41:59,837 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 00:41:59,838 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 00:41:59,838 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 00:41:59,838 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 00:41:59,846 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:41:59" (1/1) ... [2023-12-23 00:41:59,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:41:59" (1/1) ... [2023-12-23 00:41:59,852 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:41:59" (1/1) ... [2023-12-23 00:41:59,888 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-23 00:41:59,888 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:41:59" (1/1) ... [2023-12-23 00:41:59,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:41:59" (1/1) ... [2023-12-23 00:41:59,898 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:41:59" (1/1) ... [2023-12-23 00:41:59,922 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:41:59" (1/1) ... [2023-12-23 00:41:59,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:41:59" (1/1) ... [2023-12-23 00:41:59,925 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:41:59" (1/1) ... [2023-12-23 00:41:59,929 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 00:41:59,929 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 00:41:59,929 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 00:41:59,929 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 00:41:59,930 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:41:59" (1/1) ... [2023-12-23 00:41:59,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 00:41:59,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 00:41:59,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-23 00:41:59,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-23 00:42:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 00:42:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 00:42:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 00:42:00,016 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 00:42:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 00:42:00,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 00:42:00,115 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 00:42:00,117 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 00:42:04,290 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 00:42:04,317 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 00:42:04,317 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 00:42:04,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 12:42:04 BoogieIcfgContainer [2023-12-23 00:42:04,318 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 00:42:04,319 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 00:42:04,319 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 00:42:04,321 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 00:42:04,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 12:41:59" (1/3) ... [2023-12-23 00:42:04,322 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f77f992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 12:42:04, skipping insertion in model container [2023-12-23 00:42:04,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:41:59" (2/3) ... [2023-12-23 00:42:04,322 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f77f992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 12:42:04, skipping insertion in model container [2023-12-23 00:42:04,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 12:42:04" (3/3) ... [2023-12-23 00:42:04,323 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-83.i [2023-12-23 00:42:04,344 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 00:42:04,345 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 00:42:04,389 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 00:42:04,394 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;@6572a474, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 00:42:04,395 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 00:42:04,404 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 64 states have (on average 1.453125) internal successors, (93), 65 states have internal predecessors, (93), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-23 00:42:04,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2023-12-23 00:42:04,427 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 00:42:04,428 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 00:42:04,428 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 00:42:04,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 00:42:04,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1223479114, now seen corresponding path program 1 times [2023-12-23 00:42:04,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 00:42:04,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [273246778] [2023-12-23 00:42:04,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 00:42:04,443 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 00:42:04,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 00:42:04,448 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 00:42:04,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-23 00:42:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 00:42:05,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 00:42:05,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 00:42:05,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 650 proven. 0 refuted. 0 times theorem prover too weak. 4250 trivial. 0 not checked. [2023-12-23 00:42:05,268 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 00:42:05,269 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 00:42:05,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [273246778] [2023-12-23 00:42:05,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [273246778] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 00:42:05,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 00:42:05,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 00:42:05,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892516413] [2023-12-23 00:42:05,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 00:42:05,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 00:42:05,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 00:42:05,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 00:42:05,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 00:42:05,305 INFO L87 Difference]: Start difference. First operand has 117 states, 64 states have (on average 1.453125) internal successors, (93), 65 states have internal predecessors, (93), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2023-12-23 00:42:06,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:42:06,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 00:42:06,496 INFO L93 Difference]: Finished difference Result 231 states and 434 transitions. [2023-12-23 00:42:06,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 00:42:06,538 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 301 [2023-12-23 00:42:06,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 00:42:06,544 INFO L225 Difference]: With dead ends: 231 [2023-12-23 00:42:06,545 INFO L226 Difference]: Without dead ends: 115 [2023-12-23 00:42:06,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 00:42:06,550 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-23 00:42:06,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 185 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-23 00:42:06,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-12-23 00:42:06,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2023-12-23 00:42:06,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 63 states have internal predecessors, (88), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-23 00:42:06,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 188 transitions. [2023-12-23 00:42:06,593 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 188 transitions. Word has length 301 [2023-12-23 00:42:06,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 00:42:06,593 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 188 transitions. [2023-12-23 00:42:06,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2023-12-23 00:42:06,593 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 188 transitions. [2023-12-23 00:42:06,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2023-12-23 00:42:06,596 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 00:42:06,597 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 00:42:06,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-23 00:42:06,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 00:42:06,819 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 00:42:06,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 00:42:06,820 INFO L85 PathProgramCache]: Analyzing trace with hash -2068948506, now seen corresponding path program 1 times [2023-12-23 00:42:06,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 00:42:06,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [343775875] [2023-12-23 00:42:06,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 00:42:06,821 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 00:42:06,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 00:42:06,822 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 00:42:06,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-23 00:42:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 00:42:07,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-23 00:42:07,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 00:42:07,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2023-12-23 00:42:07,608 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 00:42:07,608 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 00:42:07,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [343775875] [2023-12-23 00:42:07,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [343775875] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 00:42:07,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 00:42:07,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-23 00:42:07,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237987148] [2023-12-23 00:42:07,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 00:42:07,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 00:42:07,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 00:42:07,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 00:42:07,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 00:42:07,612 INFO L87 Difference]: Start difference. First operand 115 states and 188 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2023-12-23 00:42:09,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:42:09,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 00:42:09,655 INFO L93 Difference]: Finished difference Result 302 states and 494 transitions. [2023-12-23 00:42:09,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 00:42:09,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 301 [2023-12-23 00:42:09,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 00:42:09,659 INFO L225 Difference]: With dead ends: 302 [2023-12-23 00:42:09,659 INFO L226 Difference]: Without dead ends: 188 [2023-12-23 00:42:09,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 00:42:09,661 INFO L413 NwaCegarLoop]: 252 mSDtfsCounter, 108 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-23 00:42:09,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 418 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-23 00:42:09,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-12-23 00:42:09,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 185. [2023-12-23 00:42:09,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 106 states have (on average 1.3867924528301887) internal successors, (147), 107 states have internal predecessors, (147), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 75 states have call predecessors, (76), 76 states have call successors, (76) [2023-12-23 00:42:09,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 299 transitions. [2023-12-23 00:42:09,706 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 299 transitions. Word has length 301 [2023-12-23 00:42:09,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 00:42:09,707 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 299 transitions. [2023-12-23 00:42:09,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2023-12-23 00:42:09,707 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 299 transitions. [2023-12-23 00:42:09,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2023-12-23 00:42:09,709 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 00:42:09,710 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 00:42:09,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-23 00:42:09,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 00:42:09,932 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 00:42:09,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 00:42:09,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1639212776, now seen corresponding path program 1 times [2023-12-23 00:42:09,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 00:42:09,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1018916330] [2023-12-23 00:42:09,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 00:42:09,935 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 00:42:09,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 00:42:09,936 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 00:42:09,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-23 00:42:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 00:42:10,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-23 00:42:10,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 00:44:02,386 WARN L293 SmtUtils]: Spent 41.29s on a formula simplification that was a NOOP. DAG size: 73 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)