/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-88.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 16:59:07,578 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 16:59:07,666 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 16:59:07,674 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 16:59:07,675 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 16:59:07,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 16:59:07,701 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 16:59:07,702 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 16:59:07,702 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 16:59:07,706 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 16:59:07,706 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 16:59:07,707 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 16:59:07,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 16:59:07,708 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 16:59:07,709 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 16:59:07,709 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 16:59:07,710 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 16:59:07,710 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 16:59:07,710 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 16:59:07,711 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 16:59:07,711 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 16:59:07,712 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 16:59:07,712 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 16:59:07,712 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 16:59:07,712 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 16:59:07,713 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 16:59:07,713 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 16:59:07,713 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 16:59:07,713 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 16:59:07,714 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 16:59:07,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 16:59:07,715 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 16:59:07,715 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 16:59:07,715 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 16:59:07,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 16:59:07,715 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 16:59:07,716 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 16:59:07,716 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 16:59:07,716 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 16:59:07,716 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 16:59:07,716 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 16:59:07,717 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 16:59:07,717 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 16:59:07,717 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 16:59:07,717 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 16:59:07,718 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 16:59:07,718 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 16:59:07,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 16:59:07,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 16:59:07,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 16:59:07,951 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 16:59:07,951 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 16:59:07,954 INFO L431 ainManager$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-88.i [2023-12-23 16:59:09,057 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 16:59:09,257 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 16:59:09,258 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-88.i [2023-12-23 16:59:09,267 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f584a3a7/f47e357abdb34e19ae5f48d436227dab/FLAG3b577db26 [2023-12-23 16:59:09,277 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f584a3a7/f47e357abdb34e19ae5f48d436227dab [2023-12-23 16:59:09,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 16:59:09,280 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 16:59:09,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 16:59:09,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 16:59:09,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 16:59:09,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:59:09" (1/1) ... [2023-12-23 16:59:09,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78646d15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:59:09, skipping insertion in model container [2023-12-23 16:59:09,287 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:59:09" (1/1) ... [2023-12-23 16:59:09,331 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 16:59:09,442 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-88.i[919,932] [2023-12-23 16:59:09,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 16:59:09,566 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 16:59:09,585 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-88.i[919,932] [2023-12-23 16:59:09,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 16:59:09,662 INFO L206 MainTranslator]: Completed translation [2023-12-23 16:59:09,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:59:09 WrapperNode [2023-12-23 16:59:09,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 16:59:09,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 16:59:09,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 16:59:09,665 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 16:59:09,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:59:09" (1/1) ... [2023-12-23 16:59:09,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:59:09" (1/1) ... [2023-12-23 16:59:09,729 INFO L138 Inliner]: procedures = 27, calls = 54, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 238 [2023-12-23 16:59:09,730 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 16:59:09,730 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 16:59:09,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 16:59:09,730 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 16:59:09,751 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:59:09" (1/1) ... [2023-12-23 16:59:09,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:59:09" (1/1) ... [2023-12-23 16:59:09,755 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:59:09" (1/1) ... [2023-12-23 16:59:09,769 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 16:59:09,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:59:09" (1/1) ... [2023-12-23 16:59:09,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:59:09" (1/1) ... [2023-12-23 16:59:09,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:59:09" (1/1) ... [2023-12-23 16:59:09,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:59:09" (1/1) ... [2023-12-23 16:59:09,788 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:59:09" (1/1) ... [2023-12-23 16:59:09,790 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:59:09" (1/1) ... [2023-12-23 16:59:09,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 16:59:09,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 16:59:09,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 16:59:09,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 16:59:09,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:59:09" (1/1) ... [2023-12-23 16:59:09,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 16:59:09,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 16:59:09,836 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 16:59:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 16:59:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 16:59:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 16:59:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 16:59:09,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 16:59:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 16:59:09,868 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 16:59:09,983 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 16:59:09,986 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 16:59:29,352 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 16:59:29,397 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 16:59:29,397 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 16:59:29,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:59:29 BoogieIcfgContainer [2023-12-23 16:59:29,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 16:59:29,400 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 16:59:29,400 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 16:59:29,403 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 16:59:29,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 04:59:09" (1/3) ... [2023-12-23 16:59:29,403 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e12f804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:59:29, skipping insertion in model container [2023-12-23 16:59:29,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:59:09" (2/3) ... [2023-12-23 16:59:29,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e12f804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:59:29, skipping insertion in model container [2023-12-23 16:59:29,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:59:29" (3/3) ... [2023-12-23 16:59:29,405 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-88.i [2023-12-23 16:59:29,423 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 16:59:29,423 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 16:59:29,465 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 16:59:29,470 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;@3caf0a8e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 16:59:29,470 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 16:59:29,474 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 58 states have (on average 1.4310344827586208) internal successors, (83), 59 states have internal predecessors, (83), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2023-12-23 16:59:29,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2023-12-23 16:59:29,499 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 16:59:29,500 INFO L195 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:59:29,501 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 16:59:29,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 16:59:29,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1009243754, now seen corresponding path program 1 times [2023-12-23 16:59:29,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 16:59:29,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1968206722] [2023-12-23 16:59:29,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 16:59:29,526 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 16:59:29,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 16:59:29,529 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 16:59:29,536 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 16:59:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 16:59:30,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 16:59:30,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 16:59:31,023 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 1004 proven. 0 refuted. 0 times theorem prover too weak. 2276 trivial. 0 not checked. [2023-12-23 16:59:31,023 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 16:59:31,024 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 16:59:31,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1968206722] [2023-12-23 16:59:31,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1968206722] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 16:59:31,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 16:59:31,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 16:59:31,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005550268] [2023-12-23 16:59:31,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 16:59:31,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 16:59:31,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 16:59:31,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 16:59:31,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 16:59:31,063 INFO L87 Difference]: Start difference. First operand has 102 states, 58 states have (on average 1.4310344827586208) internal successors, (83), 59 states have internal predecessors, (83), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2023-12-23 16:59:35,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 16:59:35,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 16:59:35,657 INFO L93 Difference]: Finished difference Result 201 states and 369 transitions. [2023-12-23 16:59:35,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 16:59:35,857 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 249 [2023-12-23 16:59:35,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 16:59:35,870 INFO L225 Difference]: With dead ends: 201 [2023-12-23 16:59:35,870 INFO L226 Difference]: Without dead ends: 100 [2023-12-23 16:59:35,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 248 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 16:59:35,881 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-12-23 16:59:35,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2023-12-23 16:59:35,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-12-23 16:59:35,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2023-12-23 16:59:35,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 57 states have (on average 1.368421052631579) internal successors, (78), 57 states have internal predecessors, (78), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2023-12-23 16:59:35,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 160 transitions. [2023-12-23 16:59:35,930 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 160 transitions. Word has length 249 [2023-12-23 16:59:35,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 16:59:35,930 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 160 transitions. [2023-12-23 16:59:35,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2023-12-23 16:59:35,931 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 160 transitions. [2023-12-23 16:59:35,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2023-12-23 16:59:35,936 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 16:59:35,936 INFO L195 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:59:35,971 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 16:59:36,160 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 16:59:36,161 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 16:59:36,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 16:59:36,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1610631080, now seen corresponding path program 1 times [2023-12-23 16:59:36,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 16:59:36,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1520961773] [2023-12-23 16:59:36,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 16:59:36,163 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 16:59:36,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 16:59:36,165 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 16:59:36,169 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 16:59:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 16:59:37,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-23 16:59:37,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 16:59:45,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2023-12-23 16:59:45,501 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 16:59:45,501 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 16:59:45,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1520961773] [2023-12-23 16:59:45,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1520961773] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 16:59:45,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 16:59:45,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 16:59:45,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383111762] [2023-12-23 16:59:45,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 16:59:45,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 16:59:45,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 16:59:45,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 16:59:45,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 16:59:45,505 INFO L87 Difference]: Start difference. First operand 100 states and 160 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2023-12-23 16:59:47,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 16:59:51,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 16:59:54,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 16:59:59,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 17:00:02,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 17:00:04,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 17:00:06,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 17:00:10,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 17:00:15,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 17:00:19,414 WARN L539 Checker$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 17:00:23,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 17:00:28,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 17:00:32,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 17:00:33,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 17:00:33,165 INFO L93 Difference]: Finished difference Result 297 states and 476 transitions. [2023-12-23 17:00:33,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 17:00:33,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 249 [2023-12-23 17:00:33,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 17:00:33,170 INFO L225 Difference]: With dead ends: 297 [2023-12-23 17:00:33,170 INFO L226 Difference]: Without dead ends: 198 [2023-12-23 17:00:33,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 17:00:33,173 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 41 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.6s IncrementalHoareTripleChecker+Time [2023-12-23 17:00:33,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 267 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 47 Invalid, 7 Unknown, 0 Unchecked, 47.6s Time] [2023-12-23 17:00:33,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2023-12-23 17:00:33,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 194. [2023-12-23 17:00:33,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 109 states have (on average 1.3394495412844036) internal successors, (146), 109 states have internal predecessors, (146), 82 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2023-12-23 17:00:33,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 310 transitions. [2023-12-23 17:00:33,206 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 310 transitions. Word has length 249 [2023-12-23 17:00:33,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 17:00:33,207 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 310 transitions. [2023-12-23 17:00:33,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 2 states have internal predecessors, (47), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2023-12-23 17:00:33,207 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 310 transitions. [2023-12-23 17:00:33,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2023-12-23 17:00:33,213 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 17:00:33,213 INFO L195 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 17:00:33,242 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 (3)] Ended with exit code 0 [2023-12-23 17:00:33,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 17:00:33,417 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 17:00:33,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 17:00:33,418 INFO L85 PathProgramCache]: Analyzing trace with hash 2001724435, now seen corresponding path program 1 times [2023-12-23 17:00:33,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 17:00:33,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [183548362] [2023-12-23 17:00:33,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 17:00:33,419 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 17:00:33,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 17:00:33,420 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 17:00:33,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-23 17:00:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 17:00:34,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-23 17:00:34,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 17:00:38,449 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 1080 proven. 96 refuted. 0 times theorem prover too weak. 2104 trivial. 0 not checked. [2023-12-23 17:00:38,450 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 17:00:40,282 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 24 proven. 96 refuted. 0 times theorem prover too weak. 3160 trivial. 0 not checked. [2023-12-23 17:00:40,282 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 17:00:40,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [183548362] [2023-12-23 17:00:40,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [183548362] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 17:00:40,283 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 17:00:40,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-12-23 17:00:40,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210636304] [2023-12-23 17:00:40,283 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 17:00:40,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-23 17:00:40,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 17:00:40,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-23 17:00:40,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-23 17:00:40,288 INFO L87 Difference]: Start difference. First operand 194 states and 310 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (73), 2 states have call predecessors, (73), 4 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2023-12-23 17:00:48,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.67s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 17:00:52,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 17:00:56,259 WARN L539 Checker$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 17:01:00,269 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 17:01:00,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 17:01:00,277 INFO L93 Difference]: Finished difference Result 403 states and 633 transitions. [2023-12-23 17:01:00,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-23 17:01:00,497 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (73), 2 states have call predecessors, (73), 4 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) Word has length 250 [2023-12-23 17:01:00,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 17:01:00,500 INFO L225 Difference]: With dead ends: 403 [2023-12-23 17:01:00,500 INFO L226 Difference]: Without dead ends: 210 [2023-12-23 17:01:00,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 491 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2023-12-23 17:01:00,502 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 54 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 14 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2023-12-23 17:01:00,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 357 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 271 Invalid, 4 Unknown, 0 Unchecked, 19.6s Time] [2023-12-23 17:01:00,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2023-12-23 17:01:00,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 202. [2023-12-23 17:01:00,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 115 states have (on average 1.3043478260869565) internal successors, (150), 115 states have internal predecessors, (150), 82 states have call successors, (82), 4 states have call predecessors, (82), 4 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2023-12-23 17:01:00,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 314 transitions. [2023-12-23 17:01:00,533 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 314 transitions. Word has length 250 [2023-12-23 17:01:00,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 17:01:00,534 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 314 transitions. [2023-12-23 17:01:00,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (73), 2 states have call predecessors, (73), 4 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2023-12-23 17:01:00,534 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 314 transitions. [2023-12-23 17:01:00,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2023-12-23 17:01:00,537 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 17:01:00,537 INFO L195 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 17:01:00,581 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 (4)] Forceful destruction successful, exit code 0 [2023-12-23 17:01:00,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 17:01:00,760 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 17:01:00,761 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 17:01:00,761 INFO L85 PathProgramCache]: Analyzing trace with hash 2001784017, now seen corresponding path program 1 times [2023-12-23 17:01:00,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 17:01:00,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1619913252] [2023-12-23 17:01:00,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 17:01:00,762 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 17:01:00,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 17:01:00,764 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 17:01:00,794 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 17:01:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 17:01:03,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-23 17:01:03,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 17:01:16,180 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 1570 proven. 75 refuted. 0 times theorem prover too weak. 1635 trivial. 0 not checked. [2023-12-23 17:01:16,181 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 17:01:24,830 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 17:01:24,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1619913252] [2023-12-23 17:01:24,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1619913252] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-23 17:01:24,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1073313588] [2023-12-23 17:01:24,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 17:01:24,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-23 17:01:24,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-23 17:01:24,878 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 17:01:24,879 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 17:01:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 17:01:32,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-23 17:01:32,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 17:02:03,276 WARN L293 SmtUtils]: Spent 8.17s 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 17:02:11,452 WARN L293 SmtUtils]: Spent 8.18s 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 17:02:19,623 WARN L293 SmtUtils]: Spent 8.17s 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 17:02:27,800 WARN L293 SmtUtils]: Spent 8.18s 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 17:02:35,975 WARN L293 SmtUtils]: Spent 8.17s 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 17:02:44,157 WARN L293 SmtUtils]: Spent 8.18s 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 17:02:52,271 WARN L293 SmtUtils]: Spent 8.11s 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 17:03:00,454 WARN L293 SmtUtils]: Spent 8.18s 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 17:03:06,989 WARN L293 SmtUtils]: Spent 6.53s 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 17:03:11,049 WARN L854 $PredicateComparison]: unable to prove that (and (bvsle ((_ zero_extend 24) c_~var_1_18~0) (_ bv64 32)) (bvsle ((_ zero_extend 24) c_~var_1_19~0) (_ bv63 32)) (= c_~var_1_8~0 c_~var_1_11~0) (not (fp.gt c_~var_1_1~0 (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_1~0 c_~var_1_5~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 53.0 10.0))))) (not (fp.leq ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 2.0)) c_~var_1_2~0)) (= (_ bv128 16) c_~last_1_var_1_21~0) (bvsle ((_ zero_extend 24) c_~var_1_20~0) (_ bv127 32)) (bvsle ((_ zero_extend 24) c_~var_1_10~0) (_ bv0 32)) (= c_~var_1_21~0 (_ bv128 16))) is different from false [2023-12-23 17:03:24,682 WARN L293 SmtUtils]: Spent 8.19s 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 17:03:32,869 WARN L293 SmtUtils]: Spent 8.19s 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 17:03:41,062 WARN L293 SmtUtils]: Spent 8.19s 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 17:03:48,790 WARN L293 SmtUtils]: Spent 7.73s 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 17:04:01,604 WARN L293 SmtUtils]: Spent 8.03s 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 17:04:09,800 WARN L293 SmtUtils]: Spent 8.20s 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 17:04:15,270 WARN L293 SmtUtils]: Spent 5.47s 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 17:04:19,329 WARN L854 $PredicateComparison]: unable to prove that (and (bvsle ((_ zero_extend 24) c_~var_1_18~0) (_ bv64 32)) (= |c_ULTIMATE.start_step_~stepLocal_0~0#1| (bvmul (_ bv128 32) (bvsdiv ((_ zero_extend 24) c_~last_1_var_1_22~0) ((_ zero_extend 24) c_~var_1_16~0)))) (bvsle ((_ zero_extend 24) c_~var_1_19~0) (_ bv63 32)) (= c_~var_1_8~0 c_~var_1_11~0) (not (fp.gt c_~var_1_1~0 (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_1~0 c_~var_1_5~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 53.0 10.0))))) (not (fp.leq ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 2.0)) c_~var_1_2~0)) (= (_ bv128 16) c_~last_1_var_1_21~0) (bvsle ((_ zero_extend 24) c_~var_1_20~0) (_ bv127 32)) (bvsle ((_ zero_extend 24) c_~var_1_10~0) (_ bv0 32)) (= c_~var_1_21~0 (_ bv128 16))) is different from false [2023-12-23 17:04:23,383 WARN L876 $PredicateComparison]: unable to prove that (and (bvsle ((_ zero_extend 24) c_~var_1_18~0) (_ bv64 32)) (= |c_ULTIMATE.start_step_~stepLocal_0~0#1| (bvmul (_ bv128 32) (bvsdiv ((_ zero_extend 24) c_~last_1_var_1_22~0) ((_ zero_extend 24) c_~var_1_16~0)))) (bvsle ((_ zero_extend 24) c_~var_1_19~0) (_ bv63 32)) (= c_~var_1_8~0 c_~var_1_11~0) (not (fp.gt c_~var_1_1~0 (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_1~0 c_~var_1_5~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 53.0 10.0))))) (not (fp.leq ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 2.0)) c_~var_1_2~0)) (= (_ bv128 16) c_~last_1_var_1_21~0) (bvsle ((_ zero_extend 24) c_~var_1_20~0) (_ bv127 32)) (bvsle ((_ zero_extend 24) c_~var_1_10~0) (_ bv0 32)) (= c_~var_1_21~0 (_ bv128 16))) is different from true [2023-12-23 17:04:31,574 WARN L293 SmtUtils]: Spent 8.18s 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 17:04:39,765 WARN L293 SmtUtils]: Spent 8.19s 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 17:04:47,953 WARN L293 SmtUtils]: Spent 8.19s 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 17:04:56,142 WARN L293 SmtUtils]: Spent 8.19s 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 17:05:08,399 WARN L293 SmtUtils]: Spent 7.78s 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 17:05:16,525 WARN L293 SmtUtils]: Spent 8.12s 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 17:05:22,631 WARN L293 SmtUtils]: Spent 6.11s 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 17:05:33,817 WARN L293 SmtUtils]: Spent 8.19s 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 17:05:41,868 WARN L293 SmtUtils]: Spent 8.05s 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 17:05:45,927 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_19~0)) (.cse0 ((_ zero_extend 24) c_~var_1_18~0)) (.cse2 ((_ zero_extend 24) c_~var_1_20~0))) (and (bvsle .cse0 (_ bv64 32)) (bvslt (_ bv128 32) (bvmul (_ bv128 32) (bvsdiv ((_ zero_extend 24) c_~last_1_var_1_22~0) ((_ zero_extend 24) c_~var_1_16~0)))) (bvsle .cse1 (_ bv63 32)) (= c_~var_1_8~0 c_~var_1_11~0) (not (fp.gt c_~var_1_1~0 (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_1~0 c_~var_1_5~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 53.0 10.0))))) (not (fp.leq ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 2.0)) c_~var_1_2~0)) (= (_ bv128 16) c_~last_1_var_1_21~0) (bvsle .cse2 (_ bv127 32)) (bvsle ((_ zero_extend 24) c_~var_1_10~0) (_ bv0 32)) (= c_~var_1_21~0 (_ bv128 16)) (= ((_ extract 7 0) (bvadd .cse1 .cse0 .cse2)) c_~var_1_14~0))) is different from false [2023-12-23 17:05:49,986 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_19~0)) (.cse0 ((_ zero_extend 24) c_~var_1_18~0)) (.cse2 ((_ zero_extend 24) c_~var_1_20~0))) (and (bvsle .cse0 (_ bv64 32)) (bvslt (_ bv128 32) (bvmul (_ bv128 32) (bvsdiv ((_ zero_extend 24) c_~last_1_var_1_22~0) ((_ zero_extend 24) c_~var_1_16~0)))) (bvsle .cse1 (_ bv63 32)) (= c_~var_1_8~0 c_~var_1_11~0) (not (fp.gt c_~var_1_1~0 (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_1~0 c_~var_1_5~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 53.0 10.0))))) (not (fp.leq ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 2.0)) c_~var_1_2~0)) (= (_ bv128 16) c_~last_1_var_1_21~0) (bvsle .cse2 (_ bv127 32)) (bvsle ((_ zero_extend 24) c_~var_1_10~0) (_ bv0 32)) (= c_~var_1_21~0 (_ bv128 16)) (= ((_ extract 7 0) (bvadd .cse1 .cse0 .cse2)) c_~var_1_14~0))) is different from true [2023-12-23 17:05:58,198 WARN L293 SmtUtils]: Spent 8.21s 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 17:06:06,392 WARN L293 SmtUtils]: Spent 8.19s 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 17:06:14,590 WARN L293 SmtUtils]: Spent 8.20s 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 17:06:22,786 WARN L293 SmtUtils]: Spent 8.19s 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 17:06:30,995 WARN L293 SmtUtils]: Spent 8.21s 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 17:06:38,520 WARN L293 SmtUtils]: Spent 7.52s 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 17:06:46,721 WARN L293 SmtUtils]: Spent 8.20s 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 17:06:54,856 WARN L293 SmtUtils]: Spent 8.13s 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 17:07:03,066 WARN L293 SmtUtils]: Spent 8.21s 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 17:07:11,267 WARN L293 SmtUtils]: Spent 8.20s 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 17:07:19,463 WARN L293 SmtUtils]: Spent 8.20s 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 17:07:26,896 WARN L293 SmtUtils]: Spent 7.43s 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 17:07:30,972 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_19~0)) (.cse0 ((_ zero_extend 24) c_~var_1_18~0)) (.cse2 ((_ zero_extend 24) c_~var_1_20~0))) (and (bvsle .cse0 (_ bv64 32)) (bvslt (_ bv128 32) (bvmul (_ bv128 32) (bvsdiv ((_ zero_extend 24) c_~last_1_var_1_22~0) ((_ zero_extend 24) c_~var_1_16~0)))) (bvsle .cse1 (_ bv63 32)) (= c_~var_1_8~0 c_~var_1_11~0) (= (bvshl .cse0 ((_ zero_extend 24) c_~var_1_14~0)) |c_ULTIMATE.start_step_~stepLocal_3~0#1|) (not (fp.gt c_~var_1_1~0 (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_1~0 c_~var_1_5~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 53.0 10.0))))) (not (fp.leq ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 2.0)) c_~var_1_2~0)) (= (_ bv128 16) c_~last_1_var_1_21~0) (bvsle .cse2 (_ bv127 32)) (bvsle ((_ zero_extend 24) c_~var_1_10~0) (_ bv0 32)) (= c_~var_1_21~0 (_ bv128 16)) (= ((_ extract 7 0) (bvadd .cse1 .cse0 .cse2)) c_~var_1_14~0))) is different from false [2023-12-23 17:07:35,046 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_19~0)) (.cse0 ((_ zero_extend 24) c_~var_1_18~0)) (.cse2 ((_ zero_extend 24) c_~var_1_20~0))) (and (bvsle .cse0 (_ bv64 32)) (bvslt (_ bv128 32) (bvmul (_ bv128 32) (bvsdiv ((_ zero_extend 24) c_~last_1_var_1_22~0) ((_ zero_extend 24) c_~var_1_16~0)))) (bvsle .cse1 (_ bv63 32)) (= c_~var_1_8~0 c_~var_1_11~0) (= (bvshl .cse0 ((_ zero_extend 24) c_~var_1_14~0)) |c_ULTIMATE.start_step_~stepLocal_3~0#1|) (not (fp.gt c_~var_1_1~0 (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_1~0 c_~var_1_5~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 53.0 10.0))))) (not (fp.leq ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 2.0)) c_~var_1_2~0)) (= (_ bv128 16) c_~last_1_var_1_21~0) (bvsle .cse2 (_ bv127 32)) (bvsle ((_ zero_extend 24) c_~var_1_10~0) (_ bv0 32)) (= c_~var_1_21~0 (_ bv128 16)) (= ((_ extract 7 0) (bvadd .cse1 .cse0 .cse2)) c_~var_1_14~0))) is different from true [2023-12-23 17:07:43,273 WARN L293 SmtUtils]: Spent 8.22s 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 17:07:51,477 WARN L293 SmtUtils]: Spent 8.20s 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 17:07:59,535 WARN L293 SmtUtils]: Spent 8.06s 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 17:08:07,116 WARN L293 SmtUtils]: Spent 7.58s 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 17:08:15,314 WARN L293 SmtUtils]: Spent 8.20s 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 17:08:22,378 WARN L293 SmtUtils]: Spent 7.06s 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 17:08:30,596 WARN L293 SmtUtils]: Spent 8.22s 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 17:08:39,284 WARN L293 SmtUtils]: Spent 7.73s 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 17:08:47,480 WARN L293 SmtUtils]: Spent 8.20s 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 17:08:55,679 WARN L293 SmtUtils]: Spent 8.20s 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 17:09:03,888 WARN L293 SmtUtils]: Spent 8.21s 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 17:09:12,095 WARN L293 SmtUtils]: Spent 8.21s 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 17:09:16,162 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_19~0)) (.cse0 ((_ zero_extend 24) c_~var_1_18~0)) (.cse2 ((_ zero_extend 24) c_~var_1_20~0))) (and (bvsle .cse0 (_ bv64 32)) (bvslt (_ bv128 32) (bvmul (_ bv128 32) (bvsdiv ((_ zero_extend 24) c_~last_1_var_1_22~0) ((_ zero_extend 24) c_~var_1_16~0)))) (= c_~var_1_22~0 (_ bv64 8)) (bvsle .cse1 (_ bv63 32)) (= c_~var_1_8~0 c_~var_1_11~0) (not (fp.gt c_~var_1_1~0 (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_1~0 c_~var_1_5~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 53.0 10.0))))) (not (fp.leq ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 2.0)) c_~var_1_2~0)) (= (_ bv128 16) c_~last_1_var_1_21~0) (bvsle .cse2 (_ bv127 32)) (bvsle ((_ zero_extend 24) c_~var_1_10~0) (_ bv0 32)) (not (= (bvshl .cse0 ((_ zero_extend 24) c_~var_1_14~0)) .cse1)) (= c_~var_1_21~0 (_ bv128 16)) (= ((_ extract 7 0) (bvadd .cse1 .cse0 .cse2)) c_~var_1_14~0))) is different from false [2023-12-23 17:09:20,230 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_19~0)) (.cse0 ((_ zero_extend 24) c_~var_1_18~0)) (.cse2 ((_ zero_extend 24) c_~var_1_20~0))) (and (bvsle .cse0 (_ bv64 32)) (bvslt (_ bv128 32) (bvmul (_ bv128 32) (bvsdiv ((_ zero_extend 24) c_~last_1_var_1_22~0) ((_ zero_extend 24) c_~var_1_16~0)))) (= c_~var_1_22~0 (_ bv64 8)) (bvsle .cse1 (_ bv63 32)) (= c_~var_1_8~0 c_~var_1_11~0) (not (fp.gt c_~var_1_1~0 (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_1~0 c_~var_1_5~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 53.0 10.0))))) (not (fp.leq ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 2.0)) c_~var_1_2~0)) (= (_ bv128 16) c_~last_1_var_1_21~0) (bvsle .cse2 (_ bv127 32)) (bvsle ((_ zero_extend 24) c_~var_1_10~0) (_ bv0 32)) (not (= (bvshl .cse0 ((_ zero_extend 24) c_~var_1_14~0)) .cse1)) (= c_~var_1_21~0 (_ bv128 16)) (= ((_ extract 7 0) (bvadd .cse1 .cse0 .cse2)) c_~var_1_14~0))) is different from true [2023-12-23 17:09:28,904 WARN L293 SmtUtils]: Spent 8.67s 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 17:09:37,618 WARN L293 SmtUtils]: Spent 8.71s 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 17:09:46,317 WARN L293 SmtUtils]: Spent 8.70s 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 17:09:54,803 WARN L293 SmtUtils]: Spent 8.49s 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 17:10:03,526 WARN L293 SmtUtils]: Spent 8.72s 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 17:10:10,794 WARN L293 SmtUtils]: Spent 7.27s 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 17:10:19,571 WARN L293 SmtUtils]: Spent 8.78s 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 17:10:28,329 WARN L293 SmtUtils]: Spent 8.76s 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 17:10:37,070 WARN L293 SmtUtils]: Spent 8.74s 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 17:10:45,779 WARN L293 SmtUtils]: Spent 8.71s 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 17:10:54,489 WARN L293 SmtUtils]: Spent 8.71s 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 17:11:03,219 WARN L293 SmtUtils]: Spent 8.73s 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 17:11:11,937 WARN L293 SmtUtils]: Spent 8.72s 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 17:11:20,664 WARN L293 SmtUtils]: Spent 8.73s 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 17:11:24,876 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_19~0)) (.cse0 ((_ zero_extend 24) c_~var_1_18~0)) (.cse2 ((_ zero_extend 24) c_~var_1_20~0))) (and (bvsle .cse0 (_ bv64 32)) (bvslt (_ bv128 32) (bvmul (_ bv128 32) (bvsdiv ((_ zero_extend 24) c_~last_1_var_1_22~0) ((_ zero_extend 24) c_~var_1_16~0)))) (= c_~var_1_22~0 (_ bv64 8)) (bvsle .cse1 (_ bv63 32)) (= c_~var_1_8~0 c_~var_1_11~0) (not (fp.gt c_~var_1_1~0 (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_1~0 c_~var_1_5~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 53.0 10.0))))) (not (fp.leq ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 2.0)) c_~var_1_2~0)) (= (_ bv128 16) c_~last_1_var_1_21~0) (bvsle .cse2 (_ bv127 32)) (bvsle ((_ zero_extend 24) c_~var_1_10~0) (_ bv0 32)) (not (= (bvshl .cse0 ((_ zero_extend 24) c_~var_1_14~0)) .cse1)) (= c_~var_1_21~0 (_ bv128 16)) (= ((_ extract 7 0) (bvadd .cse1 .cse0 .cse2)) c_~var_1_14~0) (not (fp.lt (fp.div c_currentRoundingMode (fp.neg c_~var_1_1~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 99.0 4.0))) c_~var_1_6~0)))) is different from false [2023-12-23 17:11:29,087 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_19~0)) (.cse0 ((_ zero_extend 24) c_~var_1_18~0)) (.cse2 ((_ zero_extend 24) c_~var_1_20~0))) (and (bvsle .cse0 (_ bv64 32)) (bvslt (_ bv128 32) (bvmul (_ bv128 32) (bvsdiv ((_ zero_extend 24) c_~last_1_var_1_22~0) ((_ zero_extend 24) c_~var_1_16~0)))) (= c_~var_1_22~0 (_ bv64 8)) (bvsle .cse1 (_ bv63 32)) (= c_~var_1_8~0 c_~var_1_11~0) (not (fp.gt c_~var_1_1~0 (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_1~0 c_~var_1_5~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 53.0 10.0))))) (not (fp.leq ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 2.0)) c_~var_1_2~0)) (= (_ bv128 16) c_~last_1_var_1_21~0) (bvsle .cse2 (_ bv127 32)) (bvsle ((_ zero_extend 24) c_~var_1_10~0) (_ bv0 32)) (not (= (bvshl .cse0 ((_ zero_extend 24) c_~var_1_14~0)) .cse1)) (= c_~var_1_21~0 (_ bv128 16)) (= ((_ extract 7 0) (bvadd .cse1 .cse0 .cse2)) c_~var_1_14~0) (not (fp.lt (fp.div c_currentRoundingMode (fp.neg c_~var_1_1~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 99.0 4.0))) c_~var_1_6~0)))) is different from true [2023-12-23 17:11:37,863 WARN L293 SmtUtils]: Spent 8.77s 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 17:11:46,627 WARN L293 SmtUtils]: Spent 8.76s 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 17:11:55,380 WARN L293 SmtUtils]: Spent 8.75s 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 17:12:03,885 WARN L293 SmtUtils]: Spent 8.50s 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 17:12:12,611 WARN L293 SmtUtils]: Spent 8.73s 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 17:12:21,340 WARN L293 SmtUtils]: Spent 8.73s 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 17:12:30,069 WARN L293 SmtUtils]: Spent 8.73s 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 17:12:38,816 WARN L293 SmtUtils]: Spent 8.75s 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 17:12:47,552 WARN L293 SmtUtils]: Spent 8.74s 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 17:12:56,220 WARN L293 SmtUtils]: Spent 8.67s 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 17:13:04,928 WARN L293 SmtUtils]: Spent 8.71s 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 17:13:13,635 WARN L293 SmtUtils]: Spent 8.71s 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 17:13:22,338 WARN L293 SmtUtils]: Spent 8.70s 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 17:13:31,044 WARN L293 SmtUtils]: Spent 8.71s 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 17:13:39,764 WARN L293 SmtUtils]: Spent 8.72s 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) Received shutdown request... [2023-12-23 17:13:45,373 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 17:13:45,373 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 (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 17:13:45,373 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 17:13:46,406 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 17:13:46,434 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 17:13:46,574 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 17:13:46,626 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 [2023-12-23 17:13:46,629 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 17:13:46,629 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 251 with TraceHistMax 41,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-23 17:13:46,632 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-23 17:13:46,634 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 17:13:46,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 05:13:46 BoogieIcfgContainer [2023-12-23 17:13:46,636 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 17:13:46,636 INFO L158 Benchmark]: Toolchain (without parser) took 877356.09ms. Allocated memory is still 308.3MB. Free memory was 259.1MB in the beginning and 150.4MB in the end (delta: 108.8MB). Peak memory consumption was 110.9MB. Max. memory is 8.0GB. [2023-12-23 17:13:46,636 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 202.4MB. Free memory is still 156.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 17:13:46,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.20ms. Allocated memory is still 308.3MB. Free memory was 258.6MB in the beginning and 242.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-23 17:13:46,637 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.76ms. Allocated memory is still 308.3MB. Free memory was 241.8MB in the beginning and 239.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-23 17:13:46,637 INFO L158 Benchmark]: Boogie Preprocessor took 63.92ms. Allocated memory is still 308.3MB. Free memory was 239.2MB in the beginning and 235.6MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-23 17:13:46,637 INFO L158 Benchmark]: RCFGBuilder took 19602.78ms. Allocated memory is still 308.3MB. Free memory was 235.0MB in the beginning and 204.6MB in the end (delta: 30.4MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2023-12-23 17:13:46,638 INFO L158 Benchmark]: TraceAbstraction took 857236.19ms. Allocated memory is still 308.3MB. Free memory was 204.1MB in the beginning and 150.4MB in the end (delta: 53.7MB). Peak memory consumption was 56.3MB. Max. memory is 8.0GB. [2023-12-23 17:13:46,639 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 202.4MB. Free memory is still 156.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 381.20ms. Allocated memory is still 308.3MB. Free memory was 258.6MB in the beginning and 242.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 64.76ms. Allocated memory is still 308.3MB. Free memory was 241.8MB in the beginning and 239.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 63.92ms. Allocated memory is still 308.3MB. Free memory was 239.2MB in the beginning and 235.6MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 19602.78ms. Allocated memory is still 308.3MB. Free memory was 235.0MB in the beginning and 204.6MB in the end (delta: 30.4MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * TraceAbstraction took 857236.19ms. Allocated memory is still 308.3MB. Free memory was 204.1MB in the beginning and 150.4MB in the end (delta: 53.7MB). Peak memory consumption was 56.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 251 with TraceHistMax 41,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 102 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 857.2s, OverallIterations: 4, TraceHistogramMax: 41, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 72.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 12 mSolverCounterUnknown, 102 SdHoareTripleChecker+Valid, 71.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 95 mSDsluCounter, 781 SdHoareTripleChecker+Invalid, 69.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 377 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 320 IncrementalHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 404 mSDtfsCounter, 320 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 999 GetRequests, 986 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=202occurred in iteration=3, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.8s SatisfiabilityAnalysisTime, 13.7s InterpolantComputationTime, 748 NumberOfCodeBlocks, 748 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 994 ConstructedInterpolants, 0 QuantifiedInterpolants, 3665 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1202 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 12928/13120 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown