/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-pe-ci_file-87.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 07:56:58,004 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 07:56:58,070 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 07:56:58,073 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 07:56:58,074 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 07:56:58,095 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 07:56:58,095 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 07:56:58,096 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 07:56:58,096 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 07:56:58,099 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 07:56:58,099 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 07:56:58,100 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 07:56:58,100 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 07:56:58,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 07:56:58,101 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 07:56:58,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 07:56:58,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 07:56:58,102 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 07:56:58,102 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 07:56:58,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 07:56:58,102 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 07:56:58,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 07:56:58,103 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 07:56:58,103 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 07:56:58,103 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 07:56:58,103 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 07:56:58,103 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 07:56:58,103 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 07:56:58,104 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 07:56:58,104 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 07:56:58,105 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 07:56:58,105 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 07:56:58,105 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 07:56:58,105 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 07:56:58,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 07:56:58,105 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 07:56:58,105 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 07:56:58,105 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 07:56:58,106 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 07:56:58,106 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 07:56:58,106 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 07:56:58,106 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 07:56:58,106 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 07:56:58,106 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 07:56:58,107 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 07:56:58,107 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 07:56:58,107 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 07:56:58,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 07:56:58,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 07:56:58,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 07:56:58,309 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 07:56:58,309 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 07:56:58,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-87.i [2023-12-23 07:56:59,377 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 07:56:59,547 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 07:56:59,548 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-87.i [2023-12-23 07:56:59,559 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d4ace615/1dc115bdb2754a998f8bdcf4e438c0c7/FLAGdc4433ae9 [2023-12-23 07:56:59,570 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d4ace615/1dc115bdb2754a998f8bdcf4e438c0c7 [2023-12-23 07:56:59,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 07:56:59,573 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 07:56:59,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 07:56:59,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 07:56:59,578 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 07:56:59,579 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 07:56:59" (1/1) ... [2023-12-23 07:56:59,579 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@112628c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:56:59, skipping insertion in model container [2023-12-23 07:56:59,580 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 07:56:59" (1/1) ... [2023-12-23 07:56:59,609 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 07:56:59,722 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-pe-ci_file-87.i[919,932] [2023-12-23 07:56:59,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 07:56:59,787 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 07:56:59,795 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-pe-ci_file-87.i[919,932] [2023-12-23 07:56:59,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 07:56:59,835 INFO L206 MainTranslator]: Completed translation [2023-12-23 07:56:59,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:56:59 WrapperNode [2023-12-23 07:56:59,835 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 07:56:59,836 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 07:56:59,836 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 07:56:59,836 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 07:56:59,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:56:59" (1/1) ... [2023-12-23 07:56:59,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:56:59" (1/1) ... [2023-12-23 07:56:59,879 INFO L138 Inliner]: procedures = 27, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 255 [2023-12-23 07:56:59,880 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 07:56:59,880 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 07:56:59,881 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 07:56:59,881 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 07:56:59,888 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:56:59" (1/1) ... [2023-12-23 07:56:59,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:56:59" (1/1) ... [2023-12-23 07:56:59,895 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:56:59" (1/1) ... [2023-12-23 07:56:59,907 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 07:56:59,907 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:56:59" (1/1) ... [2023-12-23 07:56:59,907 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:56:59" (1/1) ... [2023-12-23 07:56:59,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:56:59" (1/1) ... [2023-12-23 07:56:59,925 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:56:59" (1/1) ... [2023-12-23 07:56:59,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:56:59" (1/1) ... [2023-12-23 07:56:59,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:56:59" (1/1) ... [2023-12-23 07:56:59,948 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 07:56:59,949 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 07:56:59,949 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 07:56:59,949 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 07:56:59,949 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:56:59" (1/1) ... [2023-12-23 07:56:59,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 07:56:59,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 07:56:59,984 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 07:57:00,032 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 07:57:00,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 07:57:00,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 07:57:00,054 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 07:57:00,054 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 07:57:00,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 07:57:00,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 07:57:00,140 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 07:57:00,142 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 07:57:09,715 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 07:57:09,770 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 07:57:09,770 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 07:57:09,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 07:57:09 BoogieIcfgContainer [2023-12-23 07:57:09,770 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 07:57:09,772 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 07:57:09,772 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 07:57:09,774 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 07:57:09,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 07:56:59" (1/3) ... [2023-12-23 07:57:09,775 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73f24159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 07:57:09, skipping insertion in model container [2023-12-23 07:57:09,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:56:59" (2/3) ... [2023-12-23 07:57:09,775 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73f24159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 07:57:09, skipping insertion in model container [2023-12-23 07:57:09,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 07:57:09" (3/3) ... [2023-12-23 07:57:09,776 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-87.i [2023-12-23 07:57:09,789 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 07:57:09,789 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 07:57:09,822 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 07:57:09,826 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;@26314648, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 07:57:09,827 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 07:57:09,830 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 57 states have (on average 1.368421052631579) internal successors, (78), 58 states have internal predecessors, (78), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-23 07:57:09,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2023-12-23 07:57:09,844 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 07:57:09,845 INFO L195 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:57:09,846 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 07:57:09,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 07:57:09,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1145689743, now seen corresponding path program 1 times [2023-12-23 07:57:09,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 07:57:09,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1197226588] [2023-12-23 07:57:09,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 07:57:09,866 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 07:57:09,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 07:57:09,878 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 07:57:09,879 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 07:57:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 07:57:10,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 07:57:10,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 07:57:10,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 1674 proven. 0 refuted. 0 times theorem prover too weak. 2466 trivial. 0 not checked. [2023-12-23 07:57:10,658 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 07:57:10,659 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 07:57:10,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1197226588] [2023-12-23 07:57:10,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1197226588] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 07:57:10,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 07:57:10,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 07:57:10,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087359279] [2023-12-23 07:57:10,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 07:57:10,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 07:57:10,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 07:57:10,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 07:57:10,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 07:57:10,691 INFO L87 Difference]: Start difference. First operand has 106 states, 57 states have (on average 1.368421052631579) internal successors, (78), 58 states have internal predecessors, (78), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2023-12-23 07:57:14,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 07:57:14,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 07:57:14,911 INFO L93 Difference]: Finished difference Result 209 states and 384 transitions. [2023-12-23 07:57:14,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 07:57:14,973 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 275 [2023-12-23 07:57:14,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 07:57:14,978 INFO L225 Difference]: With dead ends: 209 [2023-12-23 07:57:14,978 INFO L226 Difference]: Without dead ends: 104 [2023-12-23 07:57:14,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 274 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 07:57:14,983 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-23 07:57:14,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 162 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2023-12-23 07:57:14,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-12-23 07:57:15,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2023-12-23 07:57:15,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 56 states have (on average 1.3035714285714286) internal successors, (73), 56 states have internal predecessors, (73), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-23 07:57:15,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 165 transitions. [2023-12-23 07:57:15,045 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 165 transitions. Word has length 275 [2023-12-23 07:57:15,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 07:57:15,046 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 165 transitions. [2023-12-23 07:57:15,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2023-12-23 07:57:15,047 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 165 transitions. [2023-12-23 07:57:15,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2023-12-23 07:57:15,059 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 07:57:15,059 INFO L195 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:57:15,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-23 07:57:15,269 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 07:57:15,269 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 07:57:15,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 07:57:15,270 INFO L85 PathProgramCache]: Analyzing trace with hash 2005303149, now seen corresponding path program 1 times [2023-12-23 07:57:15,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 07:57:15,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [690185961] [2023-12-23 07:57:15,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 07:57:15,272 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 07:57:15,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 07:57:15,276 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 07:57:15,277 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 07:57:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 07:57:15,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-23 07:57:15,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 07:57:17,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 1809 proven. 93 refuted. 0 times theorem prover too weak. 2238 trivial. 0 not checked. [2023-12-23 07:57:17,449 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 07:57:18,318 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 42 proven. 93 refuted. 0 times theorem prover too weak. 4005 trivial. 0 not checked. [2023-12-23 07:57:18,318 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 07:57:18,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [690185961] [2023-12-23 07:57:18,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [690185961] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 07:57:18,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 07:57:18,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-12-23 07:57:18,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668667615] [2023-12-23 07:57:18,319 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 07:57:18,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-23 07:57:18,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 07:57:18,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-23 07:57:18,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-23 07:57:18,322 INFO L87 Difference]: Start difference. First operand 104 states and 165 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 2 states have call successors, (77), 2 states have call predecessors, (77), 4 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) [2023-12-23 07:57:24,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 07:57:28,134 WARN L539 Checker$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 07:57:32,138 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 07:57:32,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 07:57:32,526 INFO L93 Difference]: Finished difference Result 237 states and 372 transitions. [2023-12-23 07:57:32,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-23 07:57:32,527 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 2 states have call successors, (77), 2 states have call predecessors, (77), 4 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) Word has length 275 [2023-12-23 07:57:32,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 07:57:32,530 INFO L225 Difference]: With dead ends: 237 [2023-12-23 07:57:32,530 INFO L226 Difference]: Without dead ends: 134 [2023-12-23 07:57:32,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 556 GetRequests, 541 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2023-12-23 07:57:32,531 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 286 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 253 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2023-12-23 07:57:32,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 269 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [253 Valid, 288 Invalid, 3 Unknown, 0 Unchecked, 13.8s Time] [2023-12-23 07:57:32,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2023-12-23 07:57:32,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 129. [2023-12-23 07:57:32,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 66 states have (on average 1.2272727272727273) internal successors, (81), 67 states have internal predecessors, (81), 60 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (60), 59 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-23 07:57:32,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 201 transitions. [2023-12-23 07:57:32,566 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 201 transitions. Word has length 275 [2023-12-23 07:57:32,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 07:57:32,567 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 201 transitions. [2023-12-23 07:57:32,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 2 states have call successors, (77), 2 states have call predecessors, (77), 4 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) [2023-12-23 07:57:32,567 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 201 transitions. [2023-12-23 07:57:32,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2023-12-23 07:57:32,570 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 07:57:32,570 INFO L195 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:57:32,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-23 07:57:32,776 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 07:57:32,776 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 07:57:32,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 07:57:32,777 INFO L85 PathProgramCache]: Analyzing trace with hash -110129785, now seen corresponding path program 1 times [2023-12-23 07:57:32,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 07:57:32,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1226890942] [2023-12-23 07:57:32,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 07:57:32,778 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 07:57:32,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 07:57:32,780 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 07:57:32,782 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 07:57:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 07:57:33,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-23 07:57:33,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 07:57:36,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 2596 proven. 168 refuted. 0 times theorem prover too weak. 1376 trivial. 0 not checked. [2023-12-23 07:57:36,240 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 07:57:37,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 96 proven. 171 refuted. 0 times theorem prover too weak. 3873 trivial. 0 not checked. [2023-12-23 07:57:37,653 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 07:57:37,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1226890942] [2023-12-23 07:57:37,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1226890942] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 07:57:37,654 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 07:57:37,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2023-12-23 07:57:37,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148991479] [2023-12-23 07:57:37,654 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 07:57:37,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-23 07:57:37,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 07:57:37,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-23 07:57:37,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-12-23 07:57:37,657 INFO L87 Difference]: Start difference. First operand 129 states and 201 transitions. Second operand has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 4 states have call successors, (83), 3 states have call predecessors, (83), 7 states have return successors, (84), 4 states have call predecessors, (84), 4 states have call successors, (84) [2023-12-23 07:57:44,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 07:57:48,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 07:57:52,242 WARN L539 Checker$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 07:57:56,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 07:58:00,250 WARN L539 Checker$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 07:58:03,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 07:58:07,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 07:58:11,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 07:58:15,698 WARN L539 Checker$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 07:58:19,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 07:58:23,712 WARN L539 Checker$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 07:58:23,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 07:58:23,716 INFO L93 Difference]: Finished difference Result 260 states and 386 transitions. [2023-12-23 07:58:23,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-23 07:58:23,783 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 4 states have call successors, (83), 3 states have call predecessors, (83), 7 states have return successors, (84), 4 states have call predecessors, (84), 4 states have call successors, (84) Word has length 276 [2023-12-23 07:58:23,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 07:58:23,787 INFO L225 Difference]: With dead ends: 260 [2023-12-23 07:58:23,787 INFO L226 Difference]: Without dead ends: 153 [2023-12-23 07:58:23,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 557 GetRequests, 538 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=134, Invalid=246, Unknown=0, NotChecked=0, Total=380 [2023-12-23 07:58:23,788 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 102 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 63 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.7s IncrementalHoareTripleChecker+Time [2023-12-23 07:58:23,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 309 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 538 Invalid, 10 Unknown, 0 Unchecked, 45.7s Time] [2023-12-23 07:58:23,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2023-12-23 07:58:23,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 145. [2023-12-23 07:58:23,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 78 states have (on average 1.1794871794871795) internal successors, (92), 79 states have internal predecessors, (92), 60 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (60), 59 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-23 07:58:23,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 212 transitions. [2023-12-23 07:58:23,804 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 212 transitions. Word has length 276 [2023-12-23 07:58:23,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 07:58:23,805 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 212 transitions. [2023-12-23 07:58:23,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 4 states have call successors, (83), 3 states have call predecessors, (83), 7 states have return successors, (84), 4 states have call predecessors, (84), 4 states have call successors, (84) [2023-12-23 07:58:23,805 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 212 transitions. [2023-12-23 07:58:23,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2023-12-23 07:58:23,807 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 07:58:23,807 INFO L195 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:58:23,825 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 07:58:24,025 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 07:58:24,026 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 07:58:24,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 07:58:24,027 INFO L85 PathProgramCache]: Analyzing trace with hash 699216841, now seen corresponding path program 1 times [2023-12-23 07:58:24,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 07:58:24,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [84931593] [2023-12-23 07:58:24,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 07:58:24,027 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 07:58:24,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 07:58:24,028 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 07:58:24,030 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 07:58:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 07:58:26,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 63 conjunts are in the unsatisfiable core [2023-12-23 07:58:26,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 08:00:52,301 WARN L293 SmtUtils]: Spent 8.39s 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 08:01:00,691 WARN L293 SmtUtils]: Spent 8.39s 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 08:01:09,085 WARN L293 SmtUtils]: Spent 8.39s 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 08:01:17,551 WARN L293 SmtUtils]: Spent 8.46s 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 08:01:26,017 WARN L293 SmtUtils]: Spent 8.46s 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 08:01:34,356 WARN L293 SmtUtils]: Spent 8.34s 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 08:01:47,298 WARN L293 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:01:56,227 WARN L293 SmtUtils]: Spent 8.41s 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 08:02:04,463 WARN L293 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:02:13,519 WARN L293 SmtUtils]: Spent 8.41s 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 08:02:21,873 WARN L293 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:02:30,334 WARN L293 SmtUtils]: Spent 8.46s 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 08:02:38,677 WARN L293 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:02:47,132 WARN L293 SmtUtils]: Spent 8.45s 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 08:02:55,482 WARN L293 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:03:03,712 WARN L293 SmtUtils]: Spent 8.23s 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 08:03:11,968 WARN L293 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:03:20,344 WARN L293 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:03:28,994 WARN L293 SmtUtils]: Spent 8.65s 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 08:03:37,452 WARN L293 SmtUtils]: Spent 8.46s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:03:45,883 WARN L293 SmtUtils]: Spent 8.43s 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 08:03:54,331 WARN L293 SmtUtils]: Spent 8.45s 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 08:04:02,837 WARN L293 SmtUtils]: Spent 8.50s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:04:11,305 WARN L293 SmtUtils]: Spent 8.47s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:04:19,824 WARN L293 SmtUtils]: Spent 8.52s 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 08:04:28,283 WARN L293 SmtUtils]: Spent 8.46s 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 08:04:36,763 WARN L293 SmtUtils]: Spent 8.48s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:04:45,251 WARN L293 SmtUtils]: Spent 8.49s 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 08:04:53,770 WARN L293 SmtUtils]: Spent 8.52s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:05:02,320 WARN L293 SmtUtils]: Spent 8.55s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:05:10,890 WARN L293 SmtUtils]: Spent 8.57s 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 08:05:19,454 WARN L293 SmtUtils]: Spent 8.56s 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 08:05:28,022 WARN L293 SmtUtils]: Spent 8.57s 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 08:05:36,520 WARN L293 SmtUtils]: Spent 8.50s 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 08:05:45,029 WARN L293 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:05:53,549 WARN L293 SmtUtils]: Spent 8.52s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:06:02,028 WARN L293 SmtUtils]: Spent 8.48s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:06:10,502 WARN L293 SmtUtils]: Spent 8.47s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:06:19,025 WARN L293 SmtUtils]: Spent 8.52s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:06:27,544 WARN L293 SmtUtils]: Spent 8.52s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:06:36,114 WARN L293 SmtUtils]: Spent 8.57s 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 08:06:44,753 WARN L293 SmtUtils]: Spent 8.64s 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 08:06:53,354 WARN L293 SmtUtils]: Spent 8.60s 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 08:07:01,875 WARN L293 SmtUtils]: Spent 8.52s 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 08:07:10,403 WARN L293 SmtUtils]: Spent 8.53s 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 08:07:18,984 WARN L293 SmtUtils]: Spent 8.58s 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 08:07:27,548 WARN L293 SmtUtils]: Spent 8.56s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:07:36,142 WARN L293 SmtUtils]: Spent 8.59s 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 08:07:44,685 WARN L293 SmtUtils]: Spent 8.54s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:07:53,217 WARN L293 SmtUtils]: Spent 8.53s 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 08:08:01,763 WARN L293 SmtUtils]: Spent 8.54s 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 08:08:10,322 WARN L293 SmtUtils]: Spent 8.56s 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 08:08:18,859 WARN L293 SmtUtils]: Spent 8.54s 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 08:08:27,423 WARN L293 SmtUtils]: Spent 8.56s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:08:35,968 WARN L293 SmtUtils]: Spent 8.54s 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 08:08:44,541 WARN L293 SmtUtils]: Spent 8.57s 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 08:08:53,113 WARN L293 SmtUtils]: Spent 8.57s 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 08:09:01,611 WARN L293 SmtUtils]: Spent 8.50s 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 08:09:10,125 WARN L293 SmtUtils]: Spent 8.51s 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 08:09:14,271 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (let ((.cse1 (fp.neg .cse3)) (.cse6 (fp.neg .cse5)) (.cse0 (fp.neg .cse2)) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode .cse2)) (.cse12 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)))) (and (bvsle ((_ zero_extend 16) c_~var_1_33~0) (_ bv32767 32)) (or (and (fp.leq c_~var_1_25~0 .cse0) (fp.geq c_~var_1_25~0 .cse1)) (and (fp.geq c_~var_1_25~0 .cse2) (fp.leq c_~var_1_25~0 .cse3))) (bvsge c_~var_1_20~0 (_ bv0 32)) (fp.leq c_~var_1_15~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3)) (bvsge ((_ zero_extend 16) c_~var_1_32~0) (_ bv32767 32)) (fp.geq c_~var_1_14~0 .cse4) (or (and (fp.geq c_~var_1_26~0 .cse2) (fp.leq c_~var_1_26~0 .cse3)) (and (fp.leq c_~var_1_26~0 .cse0) (fp.geq c_~var_1_26~0 .cse1))) (or (and (fp.leq c_~var_1_27~0 .cse5) (fp.geq c_~var_1_27~0 .cse2)) (and (fp.leq c_~var_1_27~0 .cse0) (fp.geq c_~var_1_27~0 .cse6))) (bvsle c_~var_1_20~0 (_ bv1073741823 32)) (or (and (fp.geq c_~var_1_28~0 .cse2) (fp.leq c_~var_1_28~0 .cse5)) (and (fp.geq c_~var_1_28~0 .cse6) (fp.leq c_~var_1_28~0 .cse0))) (fp.geq c_~var_1_15~0 .cse4) (bvsge ((_ zero_extend 24) c_~var_1_10~0) (_ bv1 32)) (bvsle c_~var_1_19~0 (_ bv1073741823 32)) (let ((.cse10 (fp.sub c_currentRoundingMode c_~var_1_14~0 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 5864780816028210200.0) c_~var_1_15~0)))) (let ((.cse7 (fp.gt c_~var_1_12~0 c_~var_1_13~0)) (.cse9 (= c_~var_1_11~0 .cse10))) (or (and (not .cse7) (let ((.cse8 (fp.gt c_~var_1_13~0 .cse10))) (or (and .cse8 (= c_~var_1_11~0 c_~var_1_13~0)) (and (not .cse8) .cse9)))) (and .cse7 (let ((.cse11 (fp.gt c_~var_1_12~0 .cse10))) (or (and .cse11 (= c_~var_1_11~0 c_~var_1_12~0)) (and (not .cse11) .cse9))))))) (fp.geq c_~var_1_22~0 .cse4) (fp.leq c_~var_1_22~0 .cse12) (bvsge c_~var_1_19~0 (_ bv0 32)) (= (_ bv1 8) c_~var_1_1~0) (= c_~var_1_21~0 (fp.sub c_currentRoundingMode c_~var_1_22~0 c_~var_1_15~0)) (fp.leq c_~var_1_14~0 .cse12) (bvsge c_~var_1_6~0 (_ bv0 32)) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse22 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_25~0)) (.cse23 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_26~0))) (let ((.cse14 (fp.gt .cse22 .cse23)) (.cse21 ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~var_1_27~0 c_~var_1_28~0)))) (let ((.cse15 (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode .cse22 .cse21)) c_~var_1_24~0)) (.cse16 (not .cse14)) (.cse17 (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode .cse23 .cse21)) c_~var_1_24~0)) (.cse13 (fp.gt c_~var_1_15~0 .cse23))) (or (and (not .cse13) (or (and .cse14 .cse15) (and .cse16 .cse17))) (and (let ((.cse20 (fp.gt c_~var_1_15~0 .cse22))) (let ((.cse18 (and .cse20 (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode c_~var_1_15~0 .cse21)) c_~var_1_24~0))) (.cse19 (not .cse20))) (or (and (or .cse18 (and .cse15 .cse19)) .cse14) (and .cse16 (or .cse18 (and .cse17 .cse19)))))) .cse13)))))))) is different from false [2023-12-23 08:09:18,412 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0)) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (let ((.cse1 (fp.neg .cse3)) (.cse6 (fp.neg .cse5)) (.cse0 (fp.neg .cse2)) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode .cse2)) (.cse12 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)))) (and (bvsle ((_ zero_extend 16) c_~var_1_33~0) (_ bv32767 32)) (or (and (fp.leq c_~var_1_25~0 .cse0) (fp.geq c_~var_1_25~0 .cse1)) (and (fp.geq c_~var_1_25~0 .cse2) (fp.leq c_~var_1_25~0 .cse3))) (bvsge c_~var_1_20~0 (_ bv0 32)) (fp.leq c_~var_1_15~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3)) (bvsge ((_ zero_extend 16) c_~var_1_32~0) (_ bv32767 32)) (fp.geq c_~var_1_14~0 .cse4) (or (and (fp.geq c_~var_1_26~0 .cse2) (fp.leq c_~var_1_26~0 .cse3)) (and (fp.leq c_~var_1_26~0 .cse0) (fp.geq c_~var_1_26~0 .cse1))) (or (and (fp.leq c_~var_1_27~0 .cse5) (fp.geq c_~var_1_27~0 .cse2)) (and (fp.leq c_~var_1_27~0 .cse0) (fp.geq c_~var_1_27~0 .cse6))) (bvsle c_~var_1_20~0 (_ bv1073741823 32)) (or (and (fp.geq c_~var_1_28~0 .cse2) (fp.leq c_~var_1_28~0 .cse5)) (and (fp.geq c_~var_1_28~0 .cse6) (fp.leq c_~var_1_28~0 .cse0))) (fp.geq c_~var_1_15~0 .cse4) (bvsge ((_ zero_extend 24) c_~var_1_10~0) (_ bv1 32)) (bvsle c_~var_1_19~0 (_ bv1073741823 32)) (let ((.cse10 (fp.sub c_currentRoundingMode c_~var_1_14~0 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 5864780816028210200.0) c_~var_1_15~0)))) (let ((.cse7 (fp.gt c_~var_1_12~0 c_~var_1_13~0)) (.cse9 (= c_~var_1_11~0 .cse10))) (or (and (not .cse7) (let ((.cse8 (fp.gt c_~var_1_13~0 .cse10))) (or (and .cse8 (= c_~var_1_11~0 c_~var_1_13~0)) (and (not .cse8) .cse9)))) (and .cse7 (let ((.cse11 (fp.gt c_~var_1_12~0 .cse10))) (or (and .cse11 (= c_~var_1_11~0 c_~var_1_12~0)) (and (not .cse11) .cse9))))))) (fp.geq c_~var_1_22~0 .cse4) (fp.leq c_~var_1_22~0 .cse12) (bvsge c_~var_1_19~0 (_ bv0 32)) (= (_ bv1 8) c_~var_1_1~0) (= c_~var_1_21~0 (fp.sub c_currentRoundingMode c_~var_1_22~0 c_~var_1_15~0)) (fp.leq c_~var_1_14~0 .cse12) (bvsge c_~var_1_6~0 (_ bv0 32)) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse22 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_25~0)) (.cse23 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_26~0))) (let ((.cse14 (fp.gt .cse22 .cse23)) (.cse21 ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~var_1_27~0 c_~var_1_28~0)))) (let ((.cse15 (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode .cse22 .cse21)) c_~var_1_24~0)) (.cse16 (not .cse14)) (.cse17 (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode .cse23 .cse21)) c_~var_1_24~0)) (.cse13 (fp.gt c_~var_1_15~0 .cse23))) (or (and (not .cse13) (or (and .cse14 .cse15) (and .cse16 .cse17))) (and (let ((.cse20 (fp.gt c_~var_1_15~0 .cse22))) (let ((.cse18 (and .cse20 (= ((_ to_fp 8 24) c_currentRoundingMode (fp.add c_currentRoundingMode c_~var_1_15~0 .cse21)) c_~var_1_24~0))) (.cse19 (not .cse20))) (or (and (or .cse18 (and .cse15 .cse19)) .cse14) (and .cse16 (or .cse18 (and .cse17 .cse19)))))) .cse13)))))))) is different from true [2023-12-23 08:09:27,015 WARN L293 SmtUtils]: Spent 8.51s 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 08:09:35,519 WARN L293 SmtUtils]: Spent 8.50s 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 08:09:44,000 WARN L293 SmtUtils]: Spent 8.48s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:09:52,285 WARN L293 SmtUtils]: Spent 8.28s 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 08:10:00,556 WARN L293 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:10:09,047 WARN L293 SmtUtils]: Spent 8.49s 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 08:10:17,669 WARN L293 SmtUtils]: Spent 8.62s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:10:25,949 WARN L293 SmtUtils]: Spent 8.28s 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 08:10:34,339 WARN L293 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:10:42,776 WARN L293 SmtUtils]: Spent 8.44s 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 08:10:51,315 WARN L293 SmtUtils]: Spent 8.54s 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 08:10:59,835 WARN L293 SmtUtils]: Spent 8.52s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:11:08,125 WARN L293 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:11:16,558 WARN L293 SmtUtils]: Spent 8.43s 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 08:11:25,026 WARN L293 SmtUtils]: Spent 8.47s 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 08:11:33,340 WARN L293 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 08:11:41,903 WARN L293 SmtUtils]: Spent 8.56s 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) Received shutdown request... [2023-12-23 08:11:45,103 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 08:11:45,103 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 08:11:46,138 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 08:11:46,248 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 08:11:46,248 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 277 with TraceHistMax 46,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-23 08:11:46,251 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-23 08:11:46,253 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 08:11:46,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 08:11:46 BoogieIcfgContainer [2023-12-23 08:11:46,254 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 08:11:46,255 INFO L158 Benchmark]: Toolchain (without parser) took 886681.44ms. Allocated memory was 202.4MB in the beginning and 337.6MB in the end (delta: 135.3MB). Free memory was 150.2MB in the beginning and 218.4MB in the end (delta: -68.2MB). Peak memory consumption was 182.7MB. Max. memory is 8.0GB. [2023-12-23 08:11:46,255 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 202.4MB. Free memory is still 150.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 08:11:46,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.04ms. Allocated memory is still 202.4MB. Free memory was 150.0MB in the beginning and 133.0MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-23 08:11:46,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.21ms. Allocated memory is still 202.4MB. Free memory was 132.8MB in the beginning and 129.9MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-23 08:11:46,255 INFO L158 Benchmark]: Boogie Preprocessor took 67.67ms. Allocated memory is still 202.4MB. Free memory was 129.9MB in the beginning and 125.9MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-23 08:11:46,255 INFO L158 Benchmark]: RCFGBuilder took 9821.78ms. Allocated memory was 202.4MB in the beginning and 337.6MB in the end (delta: 135.3MB). Free memory was 125.9MB in the beginning and 289.6MB in the end (delta: -163.7MB). Peak memory consumption was 29.1MB. Max. memory is 8.0GB. [2023-12-23 08:11:46,256 INFO L158 Benchmark]: TraceAbstraction took 876482.15ms. Allocated memory is still 337.6MB. Free memory was 288.6MB in the beginning and 218.4MB in the end (delta: 70.2MB). Peak memory consumption was 186.1MB. Max. memory is 8.0GB. [2023-12-23 08:11:46,256 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 202.4MB. Free memory is still 150.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 260.04ms. Allocated memory is still 202.4MB. Free memory was 150.0MB in the beginning and 133.0MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.21ms. Allocated memory is still 202.4MB. Free memory was 132.8MB in the beginning and 129.9MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 67.67ms. Allocated memory is still 202.4MB. Free memory was 129.9MB in the beginning and 125.9MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 9821.78ms. Allocated memory was 202.4MB in the beginning and 337.6MB in the end (delta: 135.3MB). Free memory was 125.9MB in the beginning and 289.6MB in the end (delta: -163.7MB). Peak memory consumption was 29.1MB. Max. memory is 8.0GB. * TraceAbstraction took 876482.15ms. Allocated memory is still 337.6MB. Free memory was 288.6MB in the beginning and 218.4MB in the end (delta: 70.2MB). Peak memory consumption was 186.1MB. 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 277 with TraceHistMax 46,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 106 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 876.4s, OverallIterations: 4, TraceHistogramMax: 46, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 64.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 14 mSolverCounterUnknown, 412 SdHoareTripleChecker+Valid, 63.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 388 mSDsluCounter, 740 SdHoareTripleChecker+Invalid, 63.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 349 mSDsCounter, 316 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 828 IncrementalHoareTripleChecker+Invalid, 1158 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 316 mSolverCounterUnsat, 391 mSDtfsCounter, 828 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1387 GetRequests, 1353 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=145occurred in iteration=3, InterpolantAutomatonStates: 26, 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, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 826 NumberOfCodeBlocks, 826 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 1372 ConstructedInterpolants, 0 QuantifiedInterpolants, 3359 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1329 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 20175/20700 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