/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-30.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-22 23:59:27,275 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-22 23:59:27,333 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-22 23:59:27,337 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-22 23:59:27,338 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-22 23:59:27,366 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-22 23:59:27,367 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-22 23:59:27,367 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-22 23:59:27,367 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-22 23:59:27,370 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-22 23:59:27,371 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-22 23:59:27,371 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-22 23:59:27,372 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-22 23:59:27,373 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-22 23:59:27,373 INFO L153 SettingsManager]: * Use SBE=true [2023-12-22 23:59:27,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-22 23:59:27,374 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-22 23:59:27,374 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-22 23:59:27,374 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-22 23:59:27,374 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-22 23:59:27,374 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-22 23:59:27,374 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-22 23:59:27,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-22 23:59:27,375 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-22 23:59:27,375 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-22 23:59:27,375 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-22 23:59:27,375 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-22 23:59:27,375 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-22 23:59:27,375 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-22 23:59:27,376 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-22 23:59:27,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-22 23:59:27,377 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-22 23:59:27,377 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-22 23:59:27,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-22 23:59:27,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 23:59:27,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-22 23:59:27,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-22 23:59:27,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-22 23:59:27,377 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-22 23:59:27,378 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-22 23:59:27,378 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-22 23:59:27,378 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-22 23:59:27,378 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-22 23:59:27,378 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-22 23:59:27,378 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-22 23:59:27,379 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-22 23:59:27,379 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-22 23:59:27,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-22 23:59:27,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-22 23:59:27,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-22 23:59:27,604 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-22 23:59:27,604 INFO L274 PluginConnector]: CDTParser initialized [2023-12-22 23:59:27,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-30.i [2023-12-22 23:59:28,716 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-22 23:59:28,860 INFO L384 CDTParser]: Found 1 translation units. [2023-12-22 23:59:28,860 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-30.i [2023-12-22 23:59:28,867 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ded60404/06727e2fceda4272898f6c7737b70541/FLAGf9561bed1 [2023-12-22 23:59:28,889 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ded60404/06727e2fceda4272898f6c7737b70541 [2023-12-22 23:59:28,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-22 23:59:28,892 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-22 23:59:28,893 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-22 23:59:28,893 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-22 23:59:28,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-22 23:59:28,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:59:28" (1/1) ... [2023-12-22 23:59:28,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1acdcbdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:59:28, skipping insertion in model container [2023-12-22 23:59:28,897 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 11:59:28" (1/1) ... [2023-12-22 23:59:28,926 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-22 23:59:29,054 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-30.i[916,929] [2023-12-22 23:59:29,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 23:59:29,134 INFO L202 MainTranslator]: Completed pre-run [2023-12-22 23:59:29,142 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-30.i[916,929] [2023-12-22 23:59:29,174 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 23:59:29,187 INFO L206 MainTranslator]: Completed translation [2023-12-22 23:59:29,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:59:29 WrapperNode [2023-12-22 23:59:29,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-22 23:59:29,189 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-22 23:59:29,189 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-22 23:59:29,189 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-22 23:59:29,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:59:29" (1/1) ... [2023-12-22 23:59:29,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:59:29" (1/1) ... [2023-12-22 23:59:29,242 INFO L138 Inliner]: procedures = 27, calls = 58, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 280 [2023-12-22 23:59:29,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-22 23:59:29,243 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-22 23:59:29,243 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-22 23:59:29,243 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-22 23:59:29,250 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:59:29" (1/1) ... [2023-12-22 23:59:29,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:59:29" (1/1) ... [2023-12-22 23:59:29,254 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:59:29" (1/1) ... [2023-12-22 23:59:29,264 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]. [2023-12-22 23:59:29,264 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:59:29" (1/1) ... [2023-12-22 23:59:29,264 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:59:29" (1/1) ... [2023-12-22 23:59:29,272 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:59:29" (1/1) ... [2023-12-22 23:59:29,275 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:59:29" (1/1) ... [2023-12-22 23:59:29,277 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:59:29" (1/1) ... [2023-12-22 23:59:29,278 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:59:29" (1/1) ... [2023-12-22 23:59:29,281 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-22 23:59:29,282 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-22 23:59:29,282 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-22 23:59:29,282 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-22 23:59:29,282 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:59:29" (1/1) ... [2023-12-22 23:59:29,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 23:59:29,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-22 23:59:29,305 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) [2023-12-22 23:59:29,312 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 [2023-12-22 23:59:29,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-22 23:59:29,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-22 23:59:29,341 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-22 23:59:29,342 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-22 23:59:29,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-22 23:59:29,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-22 23:59:29,443 INFO L241 CfgBuilder]: Building ICFG [2023-12-22 23:59:29,446 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-22 23:59:57,526 INFO L282 CfgBuilder]: Performing block encoding [2023-12-22 23:59:57,552 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-22 23:59:57,553 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-22 23:59:57,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:59:57 BoogieIcfgContainer [2023-12-22 23:59:57,553 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-22 23:59:57,555 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-22 23:59:57,555 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-22 23:59:57,567 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-22 23:59:57,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 11:59:28" (1/3) ... [2023-12-22 23:59:57,568 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8561dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:59:57, skipping insertion in model container [2023-12-22 23:59:57,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 11:59:29" (2/3) ... [2023-12-22 23:59:57,568 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8561dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 11:59:57, skipping insertion in model container [2023-12-22 23:59:57,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 11:59:57" (3/3) ... [2023-12-22 23:59:57,569 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-30.i [2023-12-22 23:59:57,582 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-22 23:59:57,582 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-22 23:59:57,636 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-22 23:59:57,646 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;@303d171a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-22 23:59:57,646 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-22 23:59:57,651 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 69 states have (on average 1.4492753623188406) internal successors, (100), 70 states have internal predecessors, (100), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-12-22 23:59:57,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2023-12-22 23:59:57,665 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 23:59:57,665 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 23:59:57,666 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 23:59:57,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 23:59:57,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1255338108, now seen corresponding path program 1 times [2023-12-22 23:59:57,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 23:59:57,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [71319433] [2023-12-22 23:59:57,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 23:59:57,681 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 [2023-12-22 23:59:57,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 23:59:57,690 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) [2023-12-22 23:59:57,724 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 [2023-12-22 23:59:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 23:59:59,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-22 23:59:59,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 00:00:03,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 2120 proven. 135 refuted. 0 times theorem prover too weak. 1705 trivial. 0 not checked. [2023-12-23 00:00:03,853 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 00:00:10,104 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 123 proven. 138 refuted. 0 times theorem prover too weak. 3699 trivial. 0 not checked. [2023-12-23 00:00:10,105 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 00:00:10,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [71319433] [2023-12-23 00:00:10,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [71319433] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 00:00:10,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 00:00:10,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2023-12-23 00:00:10,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897795480] [2023-12-23 00:00:10,108 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 00:00:10,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-23 00:00:10,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 00:00:10,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-23 00:00:10,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2023-12-23 00:00:10,142 INFO L87 Difference]: Start difference. First operand has 117 states, 69 states have (on average 1.4492753623188406) internal successors, (100), 70 states have internal predecessors, (100), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) Second operand has 18 states, 18 states have (on average 5.222222222222222) internal successors, (94), 18 states have internal predecessors, (94), 5 states have call successors, (69), 3 states have call predecessors, (69), 7 states have return successors, (70), 5 states have call predecessors, (70), 5 states have call successors, (70) [2023-12-23 00:00:25,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:00:29,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:00:33,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:00:37,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:00:41,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 00:00:41,855 INFO L93 Difference]: Finished difference Result 428 states and 797 transitions. [2023-12-23 00:00:41,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-23 00:00:41,857 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.222222222222222) internal successors, (94), 18 states have internal predecessors, (94), 5 states have call successors, (69), 3 states have call predecessors, (69), 7 states have return successors, (70), 5 states have call predecessors, (70), 5 states have call successors, (70) Word has length 279 [2023-12-23 00:00:41,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 00:00:41,868 INFO L225 Difference]: With dead ends: 428 [2023-12-23 00:00:41,868 INFO L226 Difference]: Without dead ends: 312 [2023-12-23 00:00:41,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 575 GetRequests, 542 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=392, Invalid=798, Unknown=0, NotChecked=0, Total=1190 [2023-12-23 00:00:41,881 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 503 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 307 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 1416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.2s IncrementalHoareTripleChecker+Time [2023-12-23 00:00:41,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 940 Invalid, 1416 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [307 Valid, 1106 Invalid, 3 Unknown, 0 Unchecked, 29.2s Time] [2023-12-23 00:00:41,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2023-12-23 00:00:41,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 193. [2023-12-23 00:00:41,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 123 states have (on average 1.4146341463414633) internal successors, (174), 124 states have internal predecessors, (174), 65 states have call successors, (65), 4 states have call predecessors, (65), 4 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2023-12-23 00:00:41,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 304 transitions. [2023-12-23 00:00:41,966 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 304 transitions. Word has length 279 [2023-12-23 00:00:41,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 00:00:41,969 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 304 transitions. [2023-12-23 00:00:41,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.222222222222222) internal successors, (94), 18 states have internal predecessors, (94), 5 states have call successors, (69), 3 states have call predecessors, (69), 7 states have return successors, (70), 5 states have call predecessors, (70), 5 states have call successors, (70) [2023-12-23 00:00:41,970 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 304 transitions. [2023-12-23 00:00:41,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2023-12-23 00:00:41,978 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 00:00:41,978 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 00:00:42,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-23 00:00:42,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 00:00:42,205 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 00:00:42,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 00:00:42,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1389351614, now seen corresponding path program 1 times [2023-12-23 00:00:42,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 00:00:42,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1456001689] [2023-12-23 00:00:42,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 00:00:42,206 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 00:00:42,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 00:00:42,212 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 00:00:42,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-23 00:00:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 00:00:43,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-23 00:00:43,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 00:00:52,095 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 2120 proven. 135 refuted. 0 times theorem prover too weak. 1705 trivial. 0 not checked. [2023-12-23 00:00:52,095 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 00:00:55,154 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 00:00:55,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1456001689] [2023-12-23 00:00:55,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1456001689] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-23 00:00:55,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [596928144] [2023-12-23 00:00:55,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 00:00:55,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-23 00:00:55,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-23 00:00:55,222 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-23 00:00:55,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-23 00:00:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 00:00:55,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-23 00:00:55,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 00:00:59,680 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked. [2023-12-23 00:00:59,680 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 00:00:59,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [596928144] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 00:00:59,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-23 00:00:59,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 11 [2023-12-23 00:00:59,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524207561] [2023-12-23 00:00:59,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 00:00:59,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-23 00:00:59,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 00:00:59,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-23 00:00:59,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2023-12-23 00:00:59,684 INFO L87 Difference]: Start difference. First operand 193 states and 304 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2023-12-23 00:01:04,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:01:08,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:01:12,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:01:16,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:01:20,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:01:22,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:01:22,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 00:01:22,750 INFO L93 Difference]: Finished difference Result 609 states and 963 transitions. [2023-12-23 00:01:22,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-23 00:01:22,820 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 279 [2023-12-23 00:01:22,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 00:01:22,825 INFO L225 Difference]: With dead ends: 609 [2023-12-23 00:01:22,825 INFO L226 Difference]: Without dead ends: 417 [2023-12-23 00:01:22,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 705 GetRequests, 691 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2023-12-23 00:01:22,826 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 139 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 93 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2023-12-23 00:01:22,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 557 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 17 Invalid, 5 Unknown, 0 Unchecked, 22.9s Time] [2023-12-23 00:01:22,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2023-12-23 00:01:22,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 383. [2023-12-23 00:01:22,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 244 states have (on average 1.3934426229508197) internal successors, (340), 246 states have internal predecessors, (340), 130 states have call successors, (130), 8 states have call predecessors, (130), 8 states have return successors, (130), 128 states have call predecessors, (130), 130 states have call successors, (130) [2023-12-23 00:01:22,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 600 transitions. [2023-12-23 00:01:22,947 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 600 transitions. Word has length 279 [2023-12-23 00:01:22,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 00:01:22,948 INFO L495 AbstractCegarLoop]: Abstraction has 383 states and 600 transitions. [2023-12-23 00:01:22,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2023-12-23 00:01:22,956 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 600 transitions. [2023-12-23 00:01:22,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2023-12-23 00:01:22,958 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 00:01:22,959 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 00:01:22,982 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-23 00:01:23,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-23 00:01:23,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 00:01:23,378 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 00:01:23,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 00:01:23,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1166883308, now seen corresponding path program 1 times [2023-12-23 00:01:23,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 00:01:23,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1684033162] [2023-12-23 00:01:23,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 00:01:23,379 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 00:01:23,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 00:01:23,389 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 00:01:23,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-23 00:01:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 00:01:24,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-23 00:01:24,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 00:01:32,268 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 2120 proven. 135 refuted. 0 times theorem prover too weak. 1705 trivial. 0 not checked. [2023-12-23 00:01:32,269 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 00:01:35,291 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 00:01:35,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1684033162] [2023-12-23 00:01:35,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1684033162] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-23 00:01:35,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1122026421] [2023-12-23 00:01:35,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 00:01:35,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-23 00:01:35,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-23 00:01:35,296 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-23 00:01:35,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-23 00:01:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 00:01:38,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-23 00:01:38,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 00:01:42,543 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 44 proven. 132 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2023-12-23 00:01:42,543 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 00:01:44,489 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 3828 trivial. 0 not checked. [2023-12-23 00:01:44,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1122026421] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 00:01:44,489 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-23 00:01:44,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 16 [2023-12-23 00:01:44,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908456649] [2023-12-23 00:01:44,489 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-23 00:01:44,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-23 00:01:44,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 00:01:44,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-23 00:01:44,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2023-12-23 00:01:44,492 INFO L87 Difference]: Start difference. First operand 383 states and 600 transitions. Second operand has 16 states, 16 states have (on average 8.125) internal successors, (130), 16 states have internal predecessors, (130), 5 states have call successors, (134), 5 states have call predecessors, (134), 9 states have return successors, (135), 4 states have call predecessors, (135), 5 states have call successors, (135) [2023-12-23 00:01:54,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:01:58,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:02:02,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:02:06,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:02:10,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:02:17,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:02:21,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:02:25,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:02:29,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:02:33,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:02:37,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.70s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:02:45,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:02:49,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:02:53,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:02:54,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 00:02:54,015 INFO L93 Difference]: Finished difference Result 1100 states and 1678 transitions. [2023-12-23 00:02:54,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-23 00:02:54,016 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 8.125) internal successors, (130), 16 states have internal predecessors, (130), 5 states have call successors, (134), 5 states have call predecessors, (134), 9 states have return successors, (135), 4 states have call predecessors, (135), 5 states have call successors, (135) Word has length 280 [2023-12-23 00:02:54,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 00:02:54,032 INFO L225 Difference]: With dead ends: 1100 [2023-12-23 00:02:54,033 INFO L226 Difference]: Without dead ends: 718 [2023-12-23 00:02:54,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1017 GetRequests, 973 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 464 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=526, Invalid=1454, Unknown=0, NotChecked=0, Total=1980 [2023-12-23 00:02:54,046 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 502 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 342 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 915 SdHoareTripleChecker+Invalid, 1328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 342 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.0s IncrementalHoareTripleChecker+Time [2023-12-23 00:02:54,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 915 Invalid, 1328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [342 Valid, 973 Invalid, 13 Unknown, 0 Unchecked, 66.0s Time] [2023-12-23 00:02:54,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2023-12-23 00:02:54,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 655. [2023-12-23 00:02:54,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 412 states have (on average 1.337378640776699) internal successors, (551), 414 states have internal predecessors, (551), 220 states have call successors, (220), 22 states have call predecessors, (220), 22 states have return successors, (220), 218 states have call predecessors, (220), 220 states have call successors, (220) [2023-12-23 00:02:54,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 991 transitions. [2023-12-23 00:02:54,181 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 991 transitions. Word has length 280 [2023-12-23 00:02:54,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 00:02:54,181 INFO L495 AbstractCegarLoop]: Abstraction has 655 states and 991 transitions. [2023-12-23 00:02:54,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 8.125) internal successors, (130), 16 states have internal predecessors, (130), 5 states have call successors, (134), 5 states have call predecessors, (134), 9 states have return successors, (135), 4 states have call predecessors, (135), 5 states have call successors, (135) [2023-12-23 00:02:54,182 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 991 transitions. [2023-12-23 00:02:54,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2023-12-23 00:02:54,200 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 00:02:54,201 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 00:02:54,234 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 (5)] Forceful destruction successful, exit code 0 [2023-12-23 00:02:54,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-23 00:02:54,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2023-12-23 00:02:54,602 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 00:02:54,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 00:02:54,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1657226923, now seen corresponding path program 1 times [2023-12-23 00:02:54,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 00:02:54,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [155873654] [2023-12-23 00:02:54,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 00:02:54,603 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 00:02:54,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 00:02:54,605 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 00:02:54,642 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 (7)] Waiting until timeout for monitored process [2023-12-23 00:02:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 00:02:55,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-23 00:02:55,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 00:02:56,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked. [2023-12-23 00:02:56,013 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 00:02:56,013 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 00:02:56,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [155873654] [2023-12-23 00:02:56,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [155873654] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 00:02:56,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 00:02:56,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-23 00:02:56,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129330484] [2023-12-23 00:02:56,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 00:02:56,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 00:02:56,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 00:02:56,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 00:02:56,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 00:02:56,015 INFO L87 Difference]: Start difference. First operand 655 states and 991 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2023-12-23 00:03:00,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:03:04,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 00:03:04,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 00:03:04,714 INFO L93 Difference]: Finished difference Result 1309 states and 1981 transitions. [2023-12-23 00:03:04,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 00:03:04,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 282 [2023-12-23 00:03:04,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 00:03:04,720 INFO L225 Difference]: With dead ends: 1309 [2023-12-23 00:03:04,720 INFO L226 Difference]: Without dead ends: 655 [2023-12-23 00:03:04,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 00:03:04,723 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 16 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2023-12-23 00:03:04,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 330 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2023-12-23 00:03:04,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2023-12-23 00:03:04,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 655. [2023-12-23 00:03:04,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 412 states have (on average 1.3228155339805825) internal successors, (545), 414 states have internal predecessors, (545), 220 states have call successors, (220), 22 states have call predecessors, (220), 22 states have return successors, (220), 218 states have call predecessors, (220), 220 states have call successors, (220) [2023-12-23 00:03:04,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 985 transitions. [2023-12-23 00:03:04,798 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 985 transitions. Word has length 282 [2023-12-23 00:03:04,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 00:03:04,806 INFO L495 AbstractCegarLoop]: Abstraction has 655 states and 985 transitions. [2023-12-23 00:03:04,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2023-12-23 00:03:04,806 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 985 transitions. [2023-12-23 00:03:04,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2023-12-23 00:03:04,808 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 00:03:04,809 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 00:03:04,844 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 (7)] Forceful destruction successful, exit code 0 [2023-12-23 00:03:05,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 00:03:05,033 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 00:03:05,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 00:03:05,033 INFO L85 PathProgramCache]: Analyzing trace with hash -387649476, now seen corresponding path program 1 times [2023-12-23 00:03:05,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 00:03:05,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1169112592] [2023-12-23 00:03:05,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 00:03:05,034 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 00:03:05,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 00:03:05,037 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 00:03:05,043 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 (8)] Waiting until timeout for monitored process [2023-12-23 00:03:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 00:03:06,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-23 00:03:06,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 00:05:16,673 WARN L293 SmtUtils]: Spent 16.81s on a formula simplification that was a NOOP. DAG size: 81 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 00:06:15,265 WARN L293 SmtUtils]: Spent 17.15s on a formula simplification that was a NOOP. DAG size: 85 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 00:06:21,757 WARN L293 SmtUtils]: Spent 6.44s 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 00:06:28,284 WARN L293 SmtUtils]: Spent 6.53s 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 00:06:36,518 WARN L293 SmtUtils]: Spent 8.23s 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 00:06:44,686 WARN L293 SmtUtils]: Spent 8.17s 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 00:06:52,923 WARN L293 SmtUtils]: Spent 8.24s 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 00:07:04,438 WARN L293 SmtUtils]: Spent 7.08s 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 00:07:11,693 WARN L293 SmtUtils]: Spent 7.25s 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 00:07:19,932 WARN L293 SmtUtils]: Spent 8.24s 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 00:07:27,990 WARN L293 SmtUtils]: Spent 8.06s 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 00:07:36,241 WARN L293 SmtUtils]: Spent 8.25s 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 00:07:44,501 WARN L293 SmtUtils]: Spent 8.26s 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 00:07:52,746 WARN L293 SmtUtils]: Spent 8.24s 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 00:07:59,767 WARN L293 SmtUtils]: Spent 7.02s 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 00:08:08,003 WARN L293 SmtUtils]: Spent 8.24s 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 00:08:16,279 WARN L293 SmtUtils]: Spent 8.28s 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 00:08:32,306 WARN L293 SmtUtils]: Spent 8.26s 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 00:08:38,290 WARN L293 SmtUtils]: Spent 5.98s 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 00:08:46,537 WARN L293 SmtUtils]: Spent 8.25s 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 00:08:54,778 WARN L293 SmtUtils]: Spent 8.24s 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 00:09:03,043 WARN L293 SmtUtils]: Spent 8.26s 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 00:09:11,282 WARN L293 SmtUtils]: Spent 8.24s 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 00:09:18,799 WARN L293 SmtUtils]: Spent 7.52s 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 00:09:27,038 WARN L293 SmtUtils]: Spent 8.24s 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 00:09:33,892 WARN L293 SmtUtils]: Spent 6.85s 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 00:09:42,125 WARN L293 SmtUtils]: Spent 8.23s 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 00:09:49,370 WARN L293 SmtUtils]: Spent 7.24s 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 00:09:57,592 WARN L293 SmtUtils]: Spent 8.22s 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 00:10:05,572 WARN L293 SmtUtils]: Spent 7.98s 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 00:10:13,809 WARN L293 SmtUtils]: Spent 8.24s 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 00:10:17,874 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse10 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse10))) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse10))) (and (= c_~var_1_4~0 c_~var_1_1~0) (fp.lt ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 211.0 20.0))) c_~var_1_16~0) (or (and (fp.geq c_~var_1_10~0 .cse0) (fp.leq c_~var_1_10~0 .cse1)) (and (fp.geq c_~var_1_10~0 .cse2) (fp.leq c_~var_1_10~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3)))) (= c_~var_1_15~0 c_~var_1_13~0) (= (_ bv1 8) c_~last_1_var_1_1~0) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 5.0)) c_~last_1_var_1_16~0) (not (bvsgt (bvneg c_~var_1_11~0) (bvand c_~var_1_13~0 c_~var_1_11~0))) (let ((.cse4 (fp.gt c_~var_1_7~0 c_~var_1_10~0))) (or (and .cse4 (= c_~var_1_7~0 c_~var_1_8~0)) (and (not .cse4) (= c_~var_1_8~0 c_~var_1_10~0)))) (= c_~var_1_16~0 (fp.add c_currentRoundingMode c_~var_1_17~0 (fp.add c_currentRoundingMode c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 67.0 4.0))))) (= c_~var_1_7~0 c_~var_1_5~0) (or (and (fp.geq c_~var_1_7~0 .cse0) (fp.leq c_~var_1_7~0 .cse1)) (fp.geq c_~var_1_7~0 .cse2)) (fp.geq c_~last_1_var_1_16~0 c_~var_1_7~0) (fp.gt c_~var_1_16~0 (fp.mul c_currentRoundingMode c_~var_1_7~0 c_~var_1_16~0)) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse9 (bvadd (_ bv4294967291 32) c_~var_1_13~0))) (let ((.cse7 (bvsgt .cse9 c_~var_1_14~0)) (.cse5 (= c_~last_1_var_1_15~0 c_~var_1_11~0))) (or (and (let ((.cse6 (bvslt c_~last_1_var_1_15~0 c_~var_1_14~0))) (or (and .cse5 .cse6) (and (= c_~var_1_11~0 c_~var_1_14~0) (not .cse6)))) (not .cse7)) (and .cse7 (let ((.cse8 (bvslt c_~last_1_var_1_15~0 .cse9))) (or (and (not .cse8) (= c_~var_1_13~0 (bvadd c_~var_1_11~0 (_ bv5 32)))) (and .cse5 .cse8)))))))))) is different from false [2023-12-23 00:10:21,927 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse10 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse10))) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse10))) (and (= c_~var_1_4~0 c_~var_1_1~0) (fp.lt ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 211.0 20.0))) c_~var_1_16~0) (or (and (fp.geq c_~var_1_10~0 .cse0) (fp.leq c_~var_1_10~0 .cse1)) (and (fp.geq c_~var_1_10~0 .cse2) (fp.leq c_~var_1_10~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3)))) (= c_~var_1_15~0 c_~var_1_13~0) (= (_ bv1 8) c_~last_1_var_1_1~0) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 5.0)) c_~last_1_var_1_16~0) (not (bvsgt (bvneg c_~var_1_11~0) (bvand c_~var_1_13~0 c_~var_1_11~0))) (let ((.cse4 (fp.gt c_~var_1_7~0 c_~var_1_10~0))) (or (and .cse4 (= c_~var_1_7~0 c_~var_1_8~0)) (and (not .cse4) (= c_~var_1_8~0 c_~var_1_10~0)))) (= c_~var_1_16~0 (fp.add c_currentRoundingMode c_~var_1_17~0 (fp.add c_currentRoundingMode c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 67.0 4.0))))) (= c_~var_1_7~0 c_~var_1_5~0) (or (and (fp.geq c_~var_1_7~0 .cse0) (fp.leq c_~var_1_7~0 .cse1)) (fp.geq c_~var_1_7~0 .cse2)) (fp.geq c_~last_1_var_1_16~0 c_~var_1_7~0) (fp.gt c_~var_1_16~0 (fp.mul c_currentRoundingMode c_~var_1_7~0 c_~var_1_16~0)) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse9 (bvadd (_ bv4294967291 32) c_~var_1_13~0))) (let ((.cse7 (bvsgt .cse9 c_~var_1_14~0)) (.cse5 (= c_~last_1_var_1_15~0 c_~var_1_11~0))) (or (and (let ((.cse6 (bvslt c_~last_1_var_1_15~0 c_~var_1_14~0))) (or (and .cse5 .cse6) (and (= c_~var_1_11~0 c_~var_1_14~0) (not .cse6)))) (not .cse7)) (and .cse7 (let ((.cse8 (bvslt c_~last_1_var_1_15~0 .cse9))) (or (and (not .cse8) (= c_~var_1_13~0 (bvadd c_~var_1_11~0 (_ bv5 32)))) (and .cse5 .cse8)))))))))) is different from true