/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_fillercodestructure_normal_file-55.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 17:38:03,935 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 17:38:03,982 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 17:38:04,004 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 17:38:04,005 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 17:38:04,020 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 17:38:04,020 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 17:38:04,020 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 17:38:04,021 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 17:38:04,021 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 17:38:04,021 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 17:38:04,021 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 17:38:04,022 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 17:38:04,022 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 17:38:04,022 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 17:38:04,022 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 17:38:04,023 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 17:38:04,023 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 17:38:04,023 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 17:38:04,023 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 17:38:04,024 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 17:38:04,025 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 17:38:04,025 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 17:38:04,026 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 17:38:04,026 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 17:38:04,026 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 17:38:04,026 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 17:38:04,027 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 17:38:04,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 17:38:04,027 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 17:38:04,027 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 17:38:04,027 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 17:38:04,028 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 17:38:04,028 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 17:38:04,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 17:38:04,028 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 17:38:04,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 17:38:04,029 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 17:38:04,029 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 17:38:04,029 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 17:38:04,029 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 17:38:04,031 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 17:38:04,031 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 17:38:04,031 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 17:38:04,032 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 17:38:04,032 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 17:38:04,032 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 17:38:04,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 17:38:04,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 17:38:04,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 17:38:04,239 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 17:38:04,240 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 17:38:04,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-55.i [2023-12-23 17:38:05,254 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 17:38:05,413 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 17:38:05,414 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-55.i [2023-12-23 17:38:05,420 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/005c951c8/97c9f29f811f48aa92266493c65ee50f/FLAG82bcb281d [2023-12-23 17:38:05,433 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/005c951c8/97c9f29f811f48aa92266493c65ee50f [2023-12-23 17:38:05,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 17:38:05,438 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 17:38:05,440 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 17:38:05,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 17:38:05,444 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 17:38:05,444 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 05:38:05" (1/1) ... [2023-12-23 17:38:05,445 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27a99af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:38:05, skipping insertion in model container [2023-12-23 17:38:05,446 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 05:38:05" (1/1) ... [2023-12-23 17:38:05,480 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 17:38:05,576 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_fillercodestructure_normal_file-55.i[913,926] [2023-12-23 17:38:05,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 17:38:05,620 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 17:38:05,629 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_fillercodestructure_normal_file-55.i[913,926] [2023-12-23 17:38:05,647 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 17:38:05,660 INFO L206 MainTranslator]: Completed translation [2023-12-23 17:38:05,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:38:05 WrapperNode [2023-12-23 17:38:05,660 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 17:38:05,661 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 17:38:05,661 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 17:38:05,661 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 17:38:05,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:38:05" (1/1) ... [2023-12-23 17:38:05,677 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:38:05" (1/1) ... [2023-12-23 17:38:05,703 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 163 [2023-12-23 17:38:05,703 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 17:38:05,704 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 17:38:05,704 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 17:38:05,704 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 17:38:05,715 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:38:05" (1/1) ... [2023-12-23 17:38:05,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:38:05" (1/1) ... [2023-12-23 17:38:05,719 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:38:05" (1/1) ... [2023-12-23 17:38:05,736 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 17:38:05,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:38:05" (1/1) ... [2023-12-23 17:38:05,736 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:38:05" (1/1) ... [2023-12-23 17:38:05,742 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:38:05" (1/1) ... [2023-12-23 17:38:05,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:38:05" (1/1) ... [2023-12-23 17:38:05,750 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:38:05" (1/1) ... [2023-12-23 17:38:05,751 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:38:05" (1/1) ... [2023-12-23 17:38:05,756 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 17:38:05,756 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 17:38:05,757 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 17:38:05,757 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 17:38:05,757 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:38:05" (1/1) ... [2023-12-23 17:38:05,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 17:38:05,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 17:38:05,804 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 17:38:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 17:38:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 17:38:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 17:38:05,831 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 17:38:05,816 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 17:38:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 17:38:05,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 17:38:05,914 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 17:38:05,919 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 17:38:06,219 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 17:38:06,289 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 17:38:06,289 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 17:38:06,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:38:06 BoogieIcfgContainer [2023-12-23 17:38:06,290 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 17:38:06,291 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 17:38:06,291 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 17:38:06,294 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 17:38:06,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 05:38:05" (1/3) ... [2023-12-23 17:38:06,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6794cd28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 05:38:06, skipping insertion in model container [2023-12-23 17:38:06,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:38:05" (2/3) ... [2023-12-23 17:38:06,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6794cd28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 05:38:06, skipping insertion in model container [2023-12-23 17:38:06,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:38:06" (3/3) ... [2023-12-23 17:38:06,295 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-55.i [2023-12-23 17:38:06,307 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 17:38:06,307 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 17:38:06,348 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 17:38:06,354 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;@7a782b4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 17:38:06,355 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 17:38:06,357 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 35 states have internal predecessors, (46), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-12-23 17:38:06,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-12-23 17:38:06,369 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 17:38:06,370 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:38:06,370 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 17:38:06,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 17:38:06,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1240210666, now seen corresponding path program 1 times [2023-12-23 17:38:06,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 17:38:06,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [568555241] [2023-12-23 17:38:06,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 17:38:06,383 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 17:38:06,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 17:38:06,414 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 17:38:06,466 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 17:38:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 17:38:06,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 17:38:06,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 17:38:06,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 816 proven. 0 refuted. 0 times theorem prover too weak. 1044 trivial. 0 not checked. [2023-12-23 17:38:06,738 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 17:38:06,739 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 17:38:06,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [568555241] [2023-12-23 17:38:06,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [568555241] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 17:38:06,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 17:38:06,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 17:38:06,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436378750] [2023-12-23 17:38:06,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 17:38:06,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 17:38:06,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 17:38:06,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 17:38:06,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 17:38:06,773 INFO L87 Difference]: Start difference. First operand has 68 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 35 states have internal predecessors, (46), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-12-23 17:38:06,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 17:38:06,859 INFO L93 Difference]: Finished difference Result 133 states and 245 transitions. [2023-12-23 17:38:06,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 17:38:06,866 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 182 [2023-12-23 17:38:06,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 17:38:06,871 INFO L225 Difference]: With dead ends: 133 [2023-12-23 17:38:06,871 INFO L226 Difference]: Without dead ends: 66 [2023-12-23 17:38:06,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 181 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 17:38:06,877 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-23 17:38:06,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-23 17:38:06,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-12-23 17:38:06,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-12-23 17:38:06,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-12-23 17:38:06,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 102 transitions. [2023-12-23 17:38:06,917 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 102 transitions. Word has length 182 [2023-12-23 17:38:06,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 17:38:06,918 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 102 transitions. [2023-12-23 17:38:06,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-12-23 17:38:06,918 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 102 transitions. [2023-12-23 17:38:06,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-12-23 17:38:06,924 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 17:38:06,925 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:38:06,951 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 17:38:07,152 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 17:38:07,153 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 17:38:07,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 17:38:07,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1438135004, now seen corresponding path program 1 times [2023-12-23 17:38:07,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 17:38:07,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1253670722] [2023-12-23 17:38:07,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 17:38:07,156 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 17:38:07,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 17:38:07,157 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 17:38:07,159 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 17:38:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 17:38:07,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-23 17:38:07,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 17:38:07,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 498 proven. 12 refuted. 0 times theorem prover too weak. 1350 trivial. 0 not checked. [2023-12-23 17:38:07,469 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 17:38:07,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 78 proven. 12 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-12-23 17:38:07,637 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 17:38:07,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1253670722] [2023-12-23 17:38:07,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1253670722] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 17:38:07,640 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 17:38:07,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-12-23 17:38:07,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225475960] [2023-12-23 17:38:07,641 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 17:38:07,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-23 17:38:07,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 17:38:07,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-23 17:38:07,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-23 17:38:07,644 INFO L87 Difference]: Start difference. First operand 66 states and 102 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-12-23 17:38:08,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 17:38:08,336 INFO L93 Difference]: Finished difference Result 208 states and 314 transitions. [2023-12-23 17:38:08,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-23 17:38:08,337 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 182 [2023-12-23 17:38:08,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 17:38:08,343 INFO L225 Difference]: With dead ends: 208 [2023-12-23 17:38:08,343 INFO L226 Difference]: Without dead ends: 143 [2023-12-23 17:38:08,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 356 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2023-12-23 17:38:08,347 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 157 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-23 17:38:08,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 276 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-23 17:38:08,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-12-23 17:38:08,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 74. [2023-12-23 17:38:08,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 40 states have (on average 1.225) internal successors, (49), 40 states have internal predecessors, (49), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-12-23 17:38:08,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 111 transitions. [2023-12-23 17:38:08,369 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 111 transitions. Word has length 182 [2023-12-23 17:38:08,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 17:38:08,370 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 111 transitions. [2023-12-23 17:38:08,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-12-23 17:38:08,370 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2023-12-23 17:38:08,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-12-23 17:38:08,373 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 17:38:08,373 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:38:08,391 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 17:38:08,580 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 17:38:08,581 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 17:38:08,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 17:38:08,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1436228380, now seen corresponding path program 1 times [2023-12-23 17:38:08,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 17:38:08,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [741949123] [2023-12-23 17:38:08,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 17:38:08,582 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 17:38:08,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 17:38:08,583 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 17:38:08,604 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 17:38:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 17:38:09,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 57 conjunts are in the unsatisfiable core [2023-12-23 17:38:09,285 INFO L285 TraceCheckSpWp]: Computing forward predicates...