/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_filler-ps-co_file-71.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 16:44:47,465 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 16:44:47,499 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 16:44:47,502 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 16:44:47,502 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 16:44:47,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 16:44:47,516 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 16:44:47,516 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 16:44:47,517 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 16:44:47,517 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 16:44:47,517 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 16:44:47,517 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 16:44:47,518 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 16:44:47,518 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 16:44:47,518 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 16:44:47,518 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 16:44:47,518 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 16:44:47,519 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 16:44:47,519 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 16:44:47,519 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 16:44:47,519 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 16:44:47,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 16:44:47,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 16:44:47,521 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 16:44:47,521 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 16:44:47,522 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 16:44:47,522 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 16:44:47,522 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 16:44:47,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 16:44:47,522 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 16:44:47,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 16:44:47,522 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 16:44:47,522 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 16:44:47,523 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 16:44:47,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 16:44:47,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 16:44:47,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 16:44:47,523 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 16:44:47,523 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 16:44:47,523 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 16:44:47,523 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 16:44:47,524 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 16:44:47,524 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 16:44:47,524 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 16:44:47,524 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 16:44:47,524 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 16:44:47,524 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 16:44:47,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 16:44:47,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 16:44:47,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 16:44:47,704 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 16:44:47,705 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 16:44:47,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-71.i [2023-12-23 16:44:48,647 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 16:44:48,825 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 16:44:48,825 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-71.i [2023-12-23 16:44:48,835 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b3b45cd0/7c00aa9652924b3aaaf595b163ba5a65/FLAGa5c77dc98 [2023-12-23 16:44:48,844 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b3b45cd0/7c00aa9652924b3aaaf595b163ba5a65 [2023-12-23 16:44:48,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 16:44:48,847 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 16:44:48,848 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 16:44:48,848 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 16:44:48,859 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 16:44:48,860 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:44:48" (1/1) ... [2023-12-23 16:44:48,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a9da0ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:44:48, skipping insertion in model container [2023-12-23 16:44:48,861 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:44:48" (1/1) ... [2023-12-23 16:44:48,884 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 16:44:48,970 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_filler-ps-co_file-71.i[919,932] [2023-12-23 16:44:49,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 16:44:49,023 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 16:44:49,031 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_filler-ps-co_file-71.i[919,932] [2023-12-23 16:44:49,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 16:44:49,075 INFO L206 MainTranslator]: Completed translation [2023-12-23 16:44:49,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:44:49 WrapperNode [2023-12-23 16:44:49,076 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 16:44:49,076 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 16:44:49,076 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 16:44:49,077 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 16:44:49,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:44:49" (1/1) ... [2023-12-23 16:44:49,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:44:49" (1/1) ... [2023-12-23 16:44:49,118 INFO L138 Inliner]: procedures = 27, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 254 [2023-12-23 16:44:49,118 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 16:44:49,119 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 16:44:49,119 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 16:44:49,119 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 16:44:49,126 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:44:49" (1/1) ... [2023-12-23 16:44:49,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:44:49" (1/1) ... [2023-12-23 16:44:49,132 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:44:49" (1/1) ... [2023-12-23 16:44:49,147 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 16:44:49,147 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:44:49" (1/1) ... [2023-12-23 16:44:49,147 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:44:49" (1/1) ... [2023-12-23 16:44:49,155 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:44:49" (1/1) ... [2023-12-23 16:44:49,157 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:44:49" (1/1) ... [2023-12-23 16:44:49,159 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:44:49" (1/1) ... [2023-12-23 16:44:49,160 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:44:49" (1/1) ... [2023-12-23 16:44:49,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 16:44:49,163 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 16:44:49,163 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 16:44:49,163 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 16:44:49,164 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:44:49" (1/1) ... [2023-12-23 16:44:49,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 16:44:49,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 16:44:49,212 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 16:44:49,213 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 16:44:49,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 16:44:49,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 16:44:49,230 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 16:44:49,232 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 16:44:49,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 16:44:49,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 16:44:49,313 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 16:44:49,314 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 16:45:02,139 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 16:45:02,179 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 16:45:02,179 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 16:45:02,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:45:02 BoogieIcfgContainer [2023-12-23 16:45:02,180 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 16:45:02,181 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 16:45:02,181 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 16:45:02,184 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 16:45:02,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 04:44:48" (1/3) ... [2023-12-23 16:45:02,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35c93a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:45:02, skipping insertion in model container [2023-12-23 16:45:02,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:44:49" (2/3) ... [2023-12-23 16:45:02,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35c93a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:45:02, skipping insertion in model container [2023-12-23 16:45:02,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:45:02" (3/3) ... [2023-12-23 16:45:02,185 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-71.i [2023-12-23 16:45:02,196 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 16:45:02,197 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 16:45:02,227 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 16:45:02,232 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;@471f0291, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 16:45:02,232 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 16:45:02,235 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 58 states have (on average 1.396551724137931) internal successors, (81), 59 states have internal predecessors, (81), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-12-23 16:45:02,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2023-12-23 16:45:02,249 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 16:45:02,250 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:45:02,250 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 16:45:02,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 16:45:02,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1188592689, now seen corresponding path program 1 times [2023-12-23 16:45:02,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 16:45:02,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1993403744] [2023-12-23 16:45:02,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 16:45:02,265 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 16:45:02,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 16:45:02,267 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 16:45:02,293 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 16:45:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 16:45:02,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 16:45:02,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 16:45:02,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 2078 proven. 0 refuted. 0 times theorem prover too weak. 2434 trivial. 0 not checked. [2023-12-23 16:45:02,932 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 16:45:02,933 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 16:45:02,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1993403744] [2023-12-23 16:45:02,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1993403744] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 16:45:02,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 16:45:02,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 16:45:02,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046399056] [2023-12-23 16:45:02,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 16:45:02,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 16:45:02,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 16:45:02,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 16:45:02,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 16:45:02,974 INFO L87 Difference]: Start difference. First operand has 109 states, 58 states have (on average 1.396551724137931) internal successors, (81), 59 states have internal predecessors, (81), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2023-12-23 16:45:07,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 16:45:07,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 16:45:07,448 INFO L93 Difference]: Finished difference Result 215 states and 400 transitions. [2023-12-23 16:45:07,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 16:45:07,548 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 286 [2023-12-23 16:45:07,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 16:45:07,556 INFO L225 Difference]: With dead ends: 215 [2023-12-23 16:45:07,556 INFO L226 Difference]: Without dead ends: 107 [2023-12-23 16:45:07,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 285 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 16:45:07,562 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-12-23 16:45:07,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 168 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2023-12-23 16:45:07,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-12-23 16:45:07,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2023-12-23 16:45:07,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 57 states have internal predecessors, (75), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-12-23 16:45:07,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 171 transitions. [2023-12-23 16:45:07,607 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 171 transitions. Word has length 286 [2023-12-23 16:45:07,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 16:45:07,608 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 171 transitions. [2023-12-23 16:45:07,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2023-12-23 16:45:07,608 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 171 transitions. [2023-12-23 16:45:07,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2023-12-23 16:45:07,613 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 16:45:07,613 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:45:07,631 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 16:45:07,824 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 16:45:07,825 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 16:45:07,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 16:45:07,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1760571381, now seen corresponding path program 1 times [2023-12-23 16:45:07,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 16:45:07,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1280638341] [2023-12-23 16:45:07,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 16:45:07,827 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 16:45:07,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 16:45:07,828 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 16:45:07,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-23 16:45:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 16:45:08,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-23 16:45:08,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 16:45:08,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2023-12-23 16:45:08,413 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 16:45:08,413 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 16:45:08,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1280638341] [2023-12-23 16:45:08,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1280638341] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 16:45:08,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 16:45:08,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-23 16:45:08,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842519271] [2023-12-23 16:45:08,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 16:45:08,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 16:45:08,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 16:45:08,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 16:45:08,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 16:45:08,416 INFO L87 Difference]: Start difference. First operand 107 states and 171 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2023-12-23 16:45:12,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 16:45:14,490 WARN L539 Checker$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 16:45:14,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 16:45:14,670 INFO L93 Difference]: Finished difference Result 297 states and 474 transitions. [2023-12-23 16:45:14,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 16:45:14,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 286 [2023-12-23 16:45:14,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 16:45:14,673 INFO L225 Difference]: With dead ends: 297 [2023-12-23 16:45:14,674 INFO L226 Difference]: Without dead ends: 191 [2023-12-23 16:45:14,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 284 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 16:45:14,675 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 131 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-12-23 16:45:14,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 427 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2023-12-23 16:45:14,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2023-12-23 16:45:14,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 188. [2023-12-23 16:45:14,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 99 states have (on average 1.303030303030303) internal successors, (129), 100 states have internal predecessors, (129), 86 states have call successors, (86), 2 states have call predecessors, (86), 2 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2023-12-23 16:45:14,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 301 transitions. [2023-12-23 16:45:14,700 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 301 transitions. Word has length 286 [2023-12-23 16:45:14,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 16:45:14,702 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 301 transitions. [2023-12-23 16:45:14,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2023-12-23 16:45:14,704 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 301 transitions. [2023-12-23 16:45:14,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2023-12-23 16:45:14,707 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 16:45:14,707 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:45:14,721 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 16:45:14,907 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 16:45:14,908 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 16:45:14,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 16:45:14,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1254532237, now seen corresponding path program 1 times [2023-12-23 16:45:14,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 16:45:14,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1802446834] [2023-12-23 16:45:14,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 16:45:14,909 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 16:45:14,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 16:45:14,910 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 16:45:14,912 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 16:45:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 16:45:15,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-23 16:45:15,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 16:45:35,129 WARN L293 SmtUtils]: Spent 7.83s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:45:54,218 WARN L293 SmtUtils]: Spent 5.74s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:46:10,454 WARN L293 SmtUtils]: Spent 5.84s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:46:23,339 WARN L293 SmtUtils]: Spent 7.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:46:32,336 WARN L293 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:46:37,364 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:46:42,898 WARN L293 SmtUtils]: Spent 5.53s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:46:49,389 WARN L293 SmtUtils]: Spent 6.49s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:46:56,942 WARN L293 SmtUtils]: Spent 7.55s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:48:19,286 WARN L293 SmtUtils]: Spent 50.04s on a formula simplification that was a NOOP. DAG size: 72 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 16:48:29,660 WARN L293 SmtUtils]: Spent 7.09s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:48:46,179 WARN L293 SmtUtils]: Spent 6.95s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:48:51,916 WARN L293 SmtUtils]: Spent 5.74s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:48:59,097 WARN L293 SmtUtils]: Spent 7.18s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:49:05,185 WARN L293 SmtUtils]: Spent 6.09s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:49:23,992 WARN L293 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:49:29,611 WARN L293 SmtUtils]: Spent 5.62s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:49:37,228 WARN L293 SmtUtils]: Spent 7.62s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:49:49,711 WARN L293 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:49:55,485 WARN L293 SmtUtils]: Spent 5.77s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:50:07,254 WARN L293 SmtUtils]: Spent 7.20s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:50:13,663 WARN L293 SmtUtils]: Spent 6.41s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:50:22,385 WARN L293 SmtUtils]: Spent 5.81s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:50:32,311 WARN L293 SmtUtils]: Spent 6.23s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:50:38,159 WARN L293 SmtUtils]: Spent 5.85s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:51:00,817 WARN L293 SmtUtils]: Spent 6.57s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:51:07,381 WARN L293 SmtUtils]: Spent 6.56s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:51:15,437 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 24) c_~var_1_5~0))) (and (bvslt .cse0 (_ bv32 32)) (= ((_ sign_extend 8) c_~var_1_5~0) c_~var_1_21~0) (= c_~var_1_1~0 (_ bv32 16)) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_11~0 (fp.neg .cse1)) (fp.leq c_~var_1_11~0 (fp.neg .cse2))) (and (fp.leq c_~var_1_11~0 .cse1) (fp.geq c_~var_1_11~0 .cse2)))) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse5 ((_ sign_extend 24) c_~var_1_4~0)) (.cse7 (bvadd ((_ sign_extend 16) c_~var_1_15~0) (bvneg (bvadd (bvneg ((_ sign_extend 16) c_~var_1_17~0)) ((_ sign_extend 16) c_~var_1_16~0)))))) (let ((.cse6 (= ((_ extract 15 0) .cse7) c_~var_1_14~0)) (.cse3 (bvsgt .cse5 .cse0))) (or (and .cse3 (let ((.cse4 (bvslt .cse5 .cse7))) (or (and .cse4 (= ((_ extract 15 0) .cse5) c_~var_1_14~0)) (and (not .cse4) .cse6)))) (and (let ((.cse8 (bvslt .cse0 .cse7))) (or (and (= ((_ extract 15 0) .cse0) c_~var_1_14~0) .cse8) (and (not .cse8) .cse6))) (not .cse3))))) (= c_~var_1_11~0 c_~var_1_10~0) (let ((.cse10 ((_ to_fp 8 24) c_currentRoundingMode (/ 511.0 2.0)))) (let ((.cse9 (fp.gt .cse10 c_~var_1_11~0))) (or (and (= c_~var_1_18~0 c_~var_1_11~0) (not .cse9)) (and (= c_~var_1_18~0 .cse10) .cse9)))) (not (fp.geq c_~last_1_var_1_12~0 (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode c_~var_1_11~0 c_~var_1_13~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 319.0 10.0))))) (= c_~var_1_15~0 c_~var_1_20~0) (= c_~var_1_23~0 c_~var_1_22~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2023-12-23 16:51:29,364 WARN L293 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:51:35,767 WARN L293 SmtUtils]: Spent 6.40s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:51:53,152 WARN L293 SmtUtils]: Spent 7.23s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:51:58,608 WARN L293 SmtUtils]: Spent 5.46s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:52:10,777 WARN L293 SmtUtils]: Spent 5.53s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:52:19,885 WARN L293 SmtUtils]: Spent 6.56s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:52:30,297 WARN L293 SmtUtils]: Spent 5.81s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:52:35,665 WARN L293 SmtUtils]: Spent 5.37s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:52:51,673 WARN L293 SmtUtils]: Spent 7.54s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:53:01,262 WARN L293 SmtUtils]: Spent 6.48s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:53:09,731 WARN L293 SmtUtils]: Spent 5.49s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:53:28,648 WARN L293 SmtUtils]: Spent 6.63s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:54:13,664 WARN L293 SmtUtils]: Spent 6.07s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:54:24,147 WARN L293 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:54:48,115 WARN L293 SmtUtils]: Spent 7.42s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:55:07,001 WARN L293 SmtUtils]: Spent 5.68s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:55:16,145 WARN L293 SmtUtils]: Spent 7.19s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:55:24,759 WARN L293 SmtUtils]: Spent 5.16s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:55:31,051 WARN L293 SmtUtils]: Spent 6.29s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:55:36,577 WARN L293 SmtUtils]: Spent 5.52s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:55:43,867 WARN L293 SmtUtils]: Spent 7.29s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:55:50,389 WARN L293 SmtUtils]: Spent 6.52s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:56:01,495 WARN L293 SmtUtils]: Spent 8.48s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:56:12,142 WARN L293 SmtUtils]: Spent 5.67s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:56:23,248 WARN L293 SmtUtils]: Spent 6.80s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:56:38,151 WARN L293 SmtUtils]: Spent 6.14s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:56:46,485 WARN L293 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:56:52,897 WARN L293 SmtUtils]: Spent 5.43s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:56:59,969 WARN L293 SmtUtils]: Spent 5.45s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:57:33,583 WARN L293 SmtUtils]: Spent 6.57s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:57:46,077 WARN L293 SmtUtils]: Spent 6.78s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:58:01,395 WARN L293 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:58:14,641 WARN L293 SmtUtils]: Spent 7.09s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:58:27,322 WARN L293 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:58:32,619 WARN L293 SmtUtils]: Spent 5.30s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:58:40,568 WARN L293 SmtUtils]: Spent 6.38s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:58:46,006 WARN L293 SmtUtils]: Spent 5.44s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 16:58:50,123 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 24) c_~var_1_5~0)) (.cse19 ((_ sign_extend 16) c_~var_1_17~0)) (.cse12 ((_ sign_extend 16) c_~var_1_16~0))) (and (bvslt .cse0 (_ bv32 32)) (= ((_ sign_extend 8) c_~var_1_5~0) c_~var_1_21~0) (= c_~var_1_1~0 (_ bv32 16)) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_11~0 (fp.neg .cse1)) (fp.leq c_~var_1_11~0 (fp.neg .cse2))) (and (fp.leq c_~var_1_11~0 .cse1) (fp.geq c_~var_1_11~0 .cse2)))) (let ((.cse20 ((_ zero_extend 16) c_~var_1_9~0))) (let ((.cse13 ((_ zero_extend 16) c_~var_1_21~0)) (.cse24 (bvadd .cse20 .cse12))) (let ((.cse22 (bvadd .cse0 .cse12)) (.cse18 (bvslt .cse0 .cse20)) (.cse15 (= c_~var_1_19~0 .cse19)) (.cse23 (bvsgt .cse19 .cse24)) (.cse17 (bvadd .cse0 .cse13))) (let ((.cse21 (bvsgt .cse19 .cse17)) (.cse5 (and .cse15 .cse23)) (.cse10 (and (= c_~var_1_19~0 .cse22) .cse18)) (.cse3 (= c_~var_1_19~0 .cse24)) (.cse4 (not .cse23)) (.cse9 (not .cse18)) (.cse14 (bvsgt .cse19 .cse22))) (or (and (let ((.cse16 (bvadd .cse20 .cse13))) (let ((.cse6 (bvsgt .cse19 .cse16))) (let ((.cse7 (not .cse6)) (.cse11 (or (and (= c_~var_1_19~0 .cse16) .cse9) (and (= c_~var_1_19~0 .cse17) .cse18)))) (or (and (or (and .cse3 .cse4) .cse5) .cse6) (and .cse7 (let ((.cse8 (bvsgt .cse12 .cse13))) (or (and .cse8 (or (and .cse3 .cse9) .cse10)) (and (not .cse8) .cse11)))) (and .cse14 (or (and .cse7 .cse11) (and .cse15 .cse6))))))) (not .cse21)) (and .cse21 (or (and (not .cse14) (or .cse5 .cse10 (and .cse3 .cse4 .cse9))) (and .cse15 .cse14)))))))) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse27 ((_ sign_extend 24) c_~var_1_4~0)) (.cse29 (bvadd ((_ sign_extend 16) c_~var_1_15~0) (bvneg (bvadd (bvneg .cse19) .cse12))))) (let ((.cse28 (= ((_ extract 15 0) .cse29) c_~var_1_14~0)) (.cse25 (bvsgt .cse27 .cse0))) (or (and .cse25 (let ((.cse26 (bvslt .cse27 .cse29))) (or (and .cse26 (= ((_ extract 15 0) .cse27) c_~var_1_14~0)) (and (not .cse26) .cse28)))) (and (let ((.cse30 (bvslt .cse0 .cse29))) (or (and (= ((_ extract 15 0) .cse0) c_~var_1_14~0) .cse30) (and (not .cse30) .cse28))) (not .cse25))))) (= c_~var_1_11~0 c_~var_1_10~0) (let ((.cse32 ((_ to_fp 8 24) c_currentRoundingMode (/ 511.0 2.0)))) (let ((.cse31 (fp.gt .cse32 c_~var_1_11~0))) (or (and (= c_~var_1_18~0 c_~var_1_11~0) (not .cse31)) (and (= c_~var_1_18~0 .cse32) .cse31)))) (not (fp.geq c_~last_1_var_1_12~0 (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode c_~var_1_11~0 c_~var_1_13~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 319.0 10.0))))) (= c_~var_1_15~0 c_~var_1_20~0) (= c_~var_1_23~0 c_~var_1_22~0) (= c_currentRoundingMode roundNearestTiesToEven) (not (= c_~var_1_3~0 (_ bv0 8))))) is different from false [2023-12-23 16:58:54,223 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 24) c_~var_1_5~0)) (.cse19 ((_ sign_extend 16) c_~var_1_17~0)) (.cse12 ((_ sign_extend 16) c_~var_1_16~0))) (and (bvslt .cse0 (_ bv32 32)) (= ((_ sign_extend 8) c_~var_1_5~0) c_~var_1_21~0) (= c_~var_1_1~0 (_ bv32 16)) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_11~0 (fp.neg .cse1)) (fp.leq c_~var_1_11~0 (fp.neg .cse2))) (and (fp.leq c_~var_1_11~0 .cse1) (fp.geq c_~var_1_11~0 .cse2)))) (let ((.cse20 ((_ zero_extend 16) c_~var_1_9~0))) (let ((.cse13 ((_ zero_extend 16) c_~var_1_21~0)) (.cse24 (bvadd .cse20 .cse12))) (let ((.cse22 (bvadd .cse0 .cse12)) (.cse18 (bvslt .cse0 .cse20)) (.cse15 (= c_~var_1_19~0 .cse19)) (.cse23 (bvsgt .cse19 .cse24)) (.cse17 (bvadd .cse0 .cse13))) (let ((.cse21 (bvsgt .cse19 .cse17)) (.cse5 (and .cse15 .cse23)) (.cse10 (and (= c_~var_1_19~0 .cse22) .cse18)) (.cse3 (= c_~var_1_19~0 .cse24)) (.cse4 (not .cse23)) (.cse9 (not .cse18)) (.cse14 (bvsgt .cse19 .cse22))) (or (and (let ((.cse16 (bvadd .cse20 .cse13))) (let ((.cse6 (bvsgt .cse19 .cse16))) (let ((.cse7 (not .cse6)) (.cse11 (or (and (= c_~var_1_19~0 .cse16) .cse9) (and (= c_~var_1_19~0 .cse17) .cse18)))) (or (and (or (and .cse3 .cse4) .cse5) .cse6) (and .cse7 (let ((.cse8 (bvsgt .cse12 .cse13))) (or (and .cse8 (or (and .cse3 .cse9) .cse10)) (and (not .cse8) .cse11)))) (and .cse14 (or (and .cse7 .cse11) (and .cse15 .cse6))))))) (not .cse21)) (and .cse21 (or (and (not .cse14) (or .cse5 .cse10 (and .cse3 .cse4 .cse9))) (and .cse15 .cse14)))))))) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse27 ((_ sign_extend 24) c_~var_1_4~0)) (.cse29 (bvadd ((_ sign_extend 16) c_~var_1_15~0) (bvneg (bvadd (bvneg .cse19) .cse12))))) (let ((.cse28 (= ((_ extract 15 0) .cse29) c_~var_1_14~0)) (.cse25 (bvsgt .cse27 .cse0))) (or (and .cse25 (let ((.cse26 (bvslt .cse27 .cse29))) (or (and .cse26 (= ((_ extract 15 0) .cse27) c_~var_1_14~0)) (and (not .cse26) .cse28)))) (and (let ((.cse30 (bvslt .cse0 .cse29))) (or (and (= ((_ extract 15 0) .cse0) c_~var_1_14~0) .cse30) (and (not .cse30) .cse28))) (not .cse25))))) (= c_~var_1_11~0 c_~var_1_10~0) (let ((.cse32 ((_ to_fp 8 24) c_currentRoundingMode (/ 511.0 2.0)))) (let ((.cse31 (fp.gt .cse32 c_~var_1_11~0))) (or (and (= c_~var_1_18~0 c_~var_1_11~0) (not .cse31)) (and (= c_~var_1_18~0 .cse32) .cse31)))) (not (fp.geq c_~last_1_var_1_12~0 (fp.div c_currentRoundingMode (fp.div c_currentRoundingMode c_~var_1_11~0 c_~var_1_13~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 319.0 10.0))))) (= c_~var_1_15~0 c_~var_1_20~0) (= c_~var_1_23~0 c_~var_1_22~0) (= c_currentRoundingMode roundNearestTiesToEven) (not (= c_~var_1_3~0 (_ bv0 8))))) is different from true Received shutdown request... [2023-12-23 16:59:19,888 WARN L340 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)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 16:59:19,888 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 16:59:20,938 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 16:59:21,103 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-23 16:59:21,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown