/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_operatoramount_amount250_file-3.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-24 06:43:20,150 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-24 06:43:20,221 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-24 06:43:20,226 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-24 06:43:20,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-24 06:43:20,250 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-24 06:43:20,250 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-24 06:43:20,251 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-24 06:43:20,251 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-24 06:43:20,254 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-24 06:43:20,254 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-24 06:43:20,255 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-24 06:43:20,255 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-24 06:43:20,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-24 06:43:20,256 INFO L153 SettingsManager]: * Use SBE=true [2023-12-24 06:43:20,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-24 06:43:20,257 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-24 06:43:20,257 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-24 06:43:20,257 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-24 06:43:20,258 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-24 06:43:20,258 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-24 06:43:20,258 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-24 06:43:20,259 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-24 06:43:20,259 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-24 06:43:20,259 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-24 06:43:20,259 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-24 06:43:20,259 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-24 06:43:20,259 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-24 06:43:20,259 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-24 06:43:20,260 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-24 06:43:20,260 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-24 06:43:20,260 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-24 06:43:20,261 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-24 06:43:20,261 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-24 06:43:20,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 06:43:20,261 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-24 06:43:20,261 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-24 06:43:20,261 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-24 06:43:20,261 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-24 06:43:20,261 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-24 06:43:20,261 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-24 06:43:20,262 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-24 06:43:20,262 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-24 06:43:20,262 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-24 06:43:20,262 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-24 06:43:20,262 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-24 06:43:20,262 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-24 06:43:20,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-24 06:43:20,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-24 06:43:20,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-24 06:43:20,459 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-24 06:43:20,460 INFO L274 PluginConnector]: CDTParser initialized [2023-12-24 06:43:20,461 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-3.i [2023-12-24 06:43:21,529 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-24 06:43:21,711 INFO L384 CDTParser]: Found 1 translation units. [2023-12-24 06:43:21,711 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount250_file-3.i [2023-12-24 06:43:21,722 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9229505ea/96a9c24a5f64431eb882db4f5a819f7e/FLAGa7b3e2237 [2023-12-24 06:43:21,737 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9229505ea/96a9c24a5f64431eb882db4f5a819f7e [2023-12-24 06:43:21,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-24 06:43:21,740 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-24 06:43:21,741 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-24 06:43:21,741 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-24 06:43:21,759 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-24 06:43:21,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 06:43:21" (1/1) ... [2023-12-24 06:43:21,760 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5edc10f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:43:21, skipping insertion in model container [2023-12-24 06:43:21,760 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 06:43:21" (1/1) ... [2023-12-24 06:43:21,806 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-24 06:43:21,935 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_operatoramount_amount250_file-3.i[915,928] [2023-12-24 06:43:22,062 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 06:43:22,080 INFO L202 MainTranslator]: Completed pre-run [2023-12-24 06:43:22,089 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_operatoramount_amount250_file-3.i[915,928] [2023-12-24 06:43:22,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 06:43:22,153 INFO L206 MainTranslator]: Completed translation [2023-12-24 06:43:22,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:43:22 WrapperNode [2023-12-24 06:43:22,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-24 06:43:22,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-24 06:43:22,154 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-24 06:43:22,154 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-24 06:43:22,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:43:22" (1/1) ... [2023-12-24 06:43:22,172 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:43:22" (1/1) ... [2023-12-24 06:43:22,218 INFO L138 Inliner]: procedures = 27, calls = 69, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 364 [2023-12-24 06:43:22,218 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-24 06:43:22,219 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-24 06:43:22,219 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-24 06:43:22,219 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-24 06:43:22,239 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:43:22" (1/1) ... [2023-12-24 06:43:22,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:43:22" (1/1) ... [2023-12-24 06:43:22,248 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:43:22" (1/1) ... [2023-12-24 06:43:22,305 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]. [2023-12-24 06:43:22,306 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:43:22" (1/1) ... [2023-12-24 06:43:22,306 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:43:22" (1/1) ... [2023-12-24 06:43:22,324 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:43:22" (1/1) ... [2023-12-24 06:43:22,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:43:22" (1/1) ... [2023-12-24 06:43:22,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:43:22" (1/1) ... [2023-12-24 06:43:22,349 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:43:22" (1/1) ... [2023-12-24 06:43:22,357 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-24 06:43:22,358 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-24 06:43:22,358 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-24 06:43:22,358 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-24 06:43:22,359 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:43:22" (1/1) ... [2023-12-24 06:43:22,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 06:43:22,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-24 06:43:22,430 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) [2023-12-24 06:43:22,465 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 [2023-12-24 06:43:22,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-24 06:43:22,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-24 06:43:22,484 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-24 06:43:22,485 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-24 06:43:22,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-24 06:43:22,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-24 06:43:22,561 INFO L241 CfgBuilder]: Building ICFG [2023-12-24 06:43:22,563 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-24 06:43:57,121 INFO L282 CfgBuilder]: Performing block encoding [2023-12-24 06:43:57,170 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-24 06:43:57,170 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-24 06:43:57,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 06:43:57 BoogieIcfgContainer [2023-12-24 06:43:57,171 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-24 06:43:57,173 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-24 06:43:57,173 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-24 06:43:57,175 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-24 06:43:57,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.12 06:43:21" (1/3) ... [2023-12-24 06:43:57,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8843377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 06:43:57, skipping insertion in model container [2023-12-24 06:43:57,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 06:43:22" (2/3) ... [2023-12-24 06:43:57,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8843377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 06:43:57, skipping insertion in model container [2023-12-24 06:43:57,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 06:43:57" (3/3) ... [2023-12-24 06:43:57,178 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-3.i [2023-12-24 06:43:57,190 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-24 06:43:57,191 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-24 06:43:57,238 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-24 06:43:57,249 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;@71489c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-24 06:43:57,249 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-24 06:43:57,254 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 99 states have (on average 1.494949494949495) internal successors, (148), 100 states have internal predecessors, (148), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-12-24 06:43:57,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2023-12-24 06:43:57,278 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 06:43:57,280 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 06:43:57,280 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 06:43:57,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 06:43:57,286 INFO L85 PathProgramCache]: Analyzing trace with hash -215463591, now seen corresponding path program 1 times [2023-12-24 06:43:57,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 06:43:57,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [143595524] [2023-12-24 06:43:57,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 06:43:57,301 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 [2023-12-24 06:43:57,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 06:43:57,302 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) [2023-12-24 06:43:57,304 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 [2023-12-24 06:43:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 06:43:59,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-24 06:43:59,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 06:43:59,659 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 2774 proven. 0 refuted. 0 times theorem prover too weak. 3386 trivial. 0 not checked. [2023-12-24 06:43:59,659 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 06:43:59,659 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 06:43:59,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [143595524] [2023-12-24 06:43:59,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [143595524] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 06:43:59,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 06:43:59,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-24 06:43:59,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204121189] [2023-12-24 06:43:59,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 06:43:59,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-24 06:43:59,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 06:43:59,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-24 06:43:59,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 06:43:59,686 INFO L87 Difference]: Start difference. First operand has 158 states, 99 states have (on average 1.494949494949495) internal successors, (148), 100 states have internal predecessors, (148), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 2 states, 2 states have (on average 40.0) internal successors, (80), 2 states have internal predecessors, (80), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2023-12-24 06:44:05,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:44:05,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 06:44:05,218 INFO L93 Difference]: Finished difference Result 313 states and 574 transitions. [2023-12-24 06:44:05,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-24 06:44:05,716 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 40.0) internal successors, (80), 2 states have internal predecessors, (80), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 353 [2023-12-24 06:44:05,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 06:44:05,722 INFO L225 Difference]: With dead ends: 313 [2023-12-24 06:44:05,723 INFO L226 Difference]: Without dead ends: 156 [2023-12-24 06:44:05,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 06:44:05,728 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-12-24 06:44:05,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 251 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2023-12-24 06:44:05,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-12-24 06:44:05,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2023-12-24 06:44:05,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 98 states have (on average 1.4489795918367347) internal successors, (142), 98 states have internal predecessors, (142), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-12-24 06:44:05,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 254 transitions. [2023-12-24 06:44:05,776 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 254 transitions. Word has length 353 [2023-12-24 06:44:05,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 06:44:05,776 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 254 transitions. [2023-12-24 06:44:05,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 40.0) internal successors, (80), 2 states have internal predecessors, (80), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2023-12-24 06:44:05,777 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 254 transitions. [2023-12-24 06:44:05,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2023-12-24 06:44:05,782 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 06:44:05,782 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 06:44:05,845 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 [2023-12-24 06:44:06,016 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 [2023-12-24 06:44:06,017 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 06:44:06,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 06:44:06,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1357102741, now seen corresponding path program 1 times [2023-12-24 06:44:06,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 06:44:06,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2065812644] [2023-12-24 06:44:06,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 06:44:06,019 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 [2023-12-24 06:44:06,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 06:44:06,021 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) [2023-12-24 06:44:06,022 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 [2023-12-24 06:44:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 06:44:08,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-24 06:44:08,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 06:44:22,763 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 3230 proven. 177 refuted. 0 times theorem prover too weak. 2753 trivial. 0 not checked. [2023-12-24 06:44:22,763 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 06:44:30,365 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 147 proven. 180 refuted. 0 times theorem prover too weak. 5833 trivial. 0 not checked. [2023-12-24 06:44:30,366 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 06:44:30,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2065812644] [2023-12-24 06:44:30,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2065812644] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 06:44:30,366 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 06:44:30,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2023-12-24 06:44:30,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535493420] [2023-12-24 06:44:30,367 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 06:44:30,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-24 06:44:30,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 06:44:30,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-24 06:44:30,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-12-24 06:44:30,373 INFO L87 Difference]: Start difference. First operand 156 states and 254 transitions. Second operand has 14 states, 14 states have (on average 8.785714285714286) internal successors, (123), 14 states have internal predecessors, (123), 3 states have call successors, (87), 3 states have call predecessors, (87), 7 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) [2023-12-24 06:44:43,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:44:48,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:44:52,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:44:58,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:45:02,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:45:06,147 WARN L539 Checker$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 [] [2023-12-24 06:45:10,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:45:14,175 WARN L539 Checker$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 [] [2023-12-24 06:45:18,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:45:22,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:45:26,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:45:30,240 WARN L539 Checker$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 [] [2023-12-24 06:45:34,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:45:38,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:45:42,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:45:46,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:45:50,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:45:54,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:45:58,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:46:02,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:46:06,368 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 [] [2023-12-24 06:46:27,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 06:46:27,081 INFO L93 Difference]: Finished difference Result 691 states and 1099 transitions. [2023-12-24 06:46:27,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-12-24 06:46:27,082 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.785714285714286) internal successors, (123), 14 states have internal predecessors, (123), 3 states have call successors, (87), 3 states have call predecessors, (87), 7 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) Word has length 353 [2023-12-24 06:46:27,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 06:46:27,086 INFO L225 Difference]: With dead ends: 691 [2023-12-24 06:46:27,086 INFO L226 Difference]: Without dead ends: 536 [2023-12-24 06:46:27,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 738 GetRequests, 695 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=521, Invalid=1371, Unknown=0, NotChecked=0, Total=1892 [2023-12-24 06:46:27,089 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 666 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 1304 mSolverCounterSat, 348 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 108.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 1316 SdHoareTripleChecker+Invalid, 1671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 348 IncrementalHoareTripleChecker+Valid, 1304 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 109.9s IncrementalHoareTripleChecker+Time [2023-12-24 06:46:27,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [692 Valid, 1316 Invalid, 1671 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [348 Valid, 1304 Invalid, 19 Unknown, 0 Unchecked, 109.9s Time] [2023-12-24 06:46:27,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2023-12-24 06:46:27,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 395. [2023-12-24 06:46:27,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 252 states have (on average 1.3849206349206349) internal successors, (349), 254 states have internal predecessors, (349), 136 states have call successors, (136), 6 states have call predecessors, (136), 6 states have return successors, (136), 134 states have call predecessors, (136), 136 states have call successors, (136) [2023-12-24 06:46:27,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 621 transitions. [2023-12-24 06:46:27,176 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 621 transitions. Word has length 353 [2023-12-24 06:46:27,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 06:46:27,179 INFO L495 AbstractCegarLoop]: Abstraction has 395 states and 621 transitions. [2023-12-24 06:46:27,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.785714285714286) internal successors, (123), 14 states have internal predecessors, (123), 3 states have call successors, (87), 3 states have call predecessors, (87), 7 states have return successors, (88), 3 states have call predecessors, (88), 3 states have call successors, (88) [2023-12-24 06:46:27,181 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 621 transitions. [2023-12-24 06:46:27,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2023-12-24 06:46:27,188 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 06:46:27,192 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 06:46:27,251 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 [2023-12-24 06:46:27,405 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 [2023-12-24 06:46:27,406 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 06:46:27,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 06:46:27,406 INFO L85 PathProgramCache]: Analyzing trace with hash -886880557, now seen corresponding path program 1 times [2023-12-24 06:46:27,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 06:46:27,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1268201750] [2023-12-24 06:46:27,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 06:46:27,407 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 [2023-12-24 06:46:27,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 06:46:27,409 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) [2023-12-24 06:46:27,415 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 [2023-12-24 06:46:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 06:46:30,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-24 06:46:30,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 06:46:37,238 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 3129 proven. 78 refuted. 0 times theorem prover too weak. 2953 trivial. 0 not checked. [2023-12-24 06:46:37,238 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 06:46:41,513 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 87 proven. 78 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2023-12-24 06:46:41,513 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 06:46:41,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1268201750] [2023-12-24 06:46:41,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1268201750] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 06:46:41,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 06:46:41,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-12-24 06:46:41,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706327378] [2023-12-24 06:46:41,514 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 06:46:41,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-24 06:46:41,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 06:46:41,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-24 06:46:41,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-24 06:46:41,515 INFO L87 Difference]: Start difference. First operand 395 states and 621 transitions. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 9 states have internal predecessors, (114), 2 states have call successors, (82), 2 states have call predecessors, (82), 4 states have return successors, (83), 2 states have call predecessors, (83), 2 states have call successors, (83) [2023-12-24 06:46:55,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:46:59,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:47:03,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:47:07,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:47:11,653 WARN L539 Checker$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 [] [2023-12-24 06:47:15,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:47:19,665 WARN L539 Checker$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 [] [2023-12-24 06:47:23,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:47:27,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:47:31,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:47:35,751 WARN L539 Checker$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 [] [2023-12-24 06:47:39,754 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 [] [2023-12-24 06:47:46,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 06:47:46,284 INFO L93 Difference]: Finished difference Result 1013 states and 1557 transitions. [2023-12-24 06:47:46,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-24 06:47:46,290 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 9 states have internal predecessors, (114), 2 states have call successors, (82), 2 states have call predecessors, (82), 4 states have return successors, (83), 2 states have call predecessors, (83), 2 states have call successors, (83) Word has length 353 [2023-12-24 06:47:46,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 06:47:46,296 INFO L225 Difference]: With dead ends: 1013 [2023-12-24 06:47:46,296 INFO L226 Difference]: Without dead ends: 658 [2023-12-24 06:47:46,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 724 GetRequests, 698 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=206, Invalid=496, Unknown=0, NotChecked=0, Total=702 [2023-12-24 06:47:46,298 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 644 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 521 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 676 SdHoareTripleChecker+Valid, 963 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 521 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.5s IncrementalHoareTripleChecker+Time [2023-12-24 06:47:46,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [676 Valid, 963 Invalid, 1035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [521 Valid, 502 Invalid, 12 Unknown, 0 Unchecked, 61.5s Time] [2023-12-24 06:47:46,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2023-12-24 06:47:46,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 273. [2023-12-24 06:47:46,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 152 states have (on average 1.243421052631579) internal successors, (189), 153 states have internal predecessors, (189), 112 states have call successors, (112), 8 states have call predecessors, (112), 8 states have return successors, (112), 111 states have call predecessors, (112), 112 states have call successors, (112) [2023-12-24 06:47:46,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 413 transitions. [2023-12-24 06:47:46,363 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 413 transitions. Word has length 353 [2023-12-24 06:47:46,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 06:47:46,363 INFO L495 AbstractCegarLoop]: Abstraction has 273 states and 413 transitions. [2023-12-24 06:47:46,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 9 states have internal predecessors, (114), 2 states have call successors, (82), 2 states have call predecessors, (82), 4 states have return successors, (83), 2 states have call predecessors, (83), 2 states have call successors, (83) [2023-12-24 06:47:46,364 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 413 transitions. [2023-12-24 06:47:46,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2023-12-24 06:47:46,366 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 06:47:46,367 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 06:47:46,426 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 [2023-12-24 06:47:46,589 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 [2023-12-24 06:47:46,590 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 06:47:46,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 06:47:46,590 INFO L85 PathProgramCache]: Analyzing trace with hash -570219292, now seen corresponding path program 1 times [2023-12-24 06:47:46,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 06:47:46,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [727961880] [2023-12-24 06:47:46,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 06:47:46,591 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 [2023-12-24 06:47:46,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 06:47:46,593 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) [2023-12-24 06:47:46,644 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 [2023-12-24 06:47:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 06:47:49,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-24 06:47:49,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 06:48:06,664 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 2932 proven. 204 refuted. 0 times theorem prover too weak. 3024 trivial. 0 not checked. [2023-12-24 06:48:06,665 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 06:48:08,276 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2023-12-24 06:48:08,277 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 06:48:08,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [727961880] [2023-12-24 06:48:08,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [727961880] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-24 06:48:08,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-24 06:48:08,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2023-12-24 06:48:08,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287042047] [2023-12-24 06:48:08,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 06:48:08,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-24 06:48:08,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 06:48:08,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-24 06:48:08,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-12-24 06:48:08,279 INFO L87 Difference]: Start difference. First operand 273 states and 413 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2023-12-24 06:48:14,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:48:18,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:48:22,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:48:26,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 06:48:30,652 WARN L539 Checker$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 [] [2023-12-24 06:48:31,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 06:48:31,233 INFO L93 Difference]: Finished difference Result 529 states and 802 transitions. [2023-12-24 06:48:31,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-24 06:48:31,234 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 354 [2023-12-24 06:48:31,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 06:48:31,236 INFO L225 Difference]: With dead ends: 529 [2023-12-24 06:48:31,237 INFO L226 Difference]: Without dead ends: 362 [2023-12-24 06:48:31,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 707 GetRequests, 696 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-12-24 06:48:31,238 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 197 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.7s IncrementalHoareTripleChecker+Time [2023-12-24 06:48:31,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 703 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 5 Unknown, 0 Unchecked, 22.7s Time] [2023-12-24 06:48:31,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2023-12-24 06:48:31,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 359. [2023-12-24 06:48:31,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 216 states have (on average 1.2962962962962963) internal successors, (280), 218 states have internal predecessors, (280), 132 states have call successors, (132), 10 states have call predecessors, (132), 10 states have return successors, (132), 130 states have call predecessors, (132), 132 states have call successors, (132) [2023-12-24 06:48:31,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 544 transitions. [2023-12-24 06:48:31,262 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 544 transitions. Word has length 354 [2023-12-24 06:48:31,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 06:48:31,262 INFO L495 AbstractCegarLoop]: Abstraction has 359 states and 544 transitions. [2023-12-24 06:48:31,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2023-12-24 06:48:31,263 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 544 transitions. [2023-12-24 06:48:31,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2023-12-24 06:48:31,265 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 06:48:31,265 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 06:48:31,324 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 [2023-12-24 06:48:31,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 06:48:31,486 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 06:48:31,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 06:48:31,486 INFO L85 PathProgramCache]: Analyzing trace with hash -938896444, now seen corresponding path program 1 times [2023-12-24 06:48:31,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 06:48:31,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1420288500] [2023-12-24 06:48:31,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 06:48:31,487 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 [2023-12-24 06:48:31,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 06:48:31,489 INFO L229 MonitoredProcess]: Starting monitored process 6 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) [2023-12-24 06:48:31,491 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 (6)] Waiting until timeout for monitored process [2023-12-24 06:48:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 06:48:38,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-24 06:48:38,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 06:52:14,922 WARN L293 SmtUtils]: Spent 10.15s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-24 06:57:49,612 WARN L293 SmtUtils]: Spent 17.29s on a formula simplification. DAG size of input: 54 DAG size of output: 50 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2023-12-24 06:58:04,464 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 [2023-12-24 06:58:04,465 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 (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-24 06:58:05,522 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 (6)] Forceful destruction successful, exit code 0 [2023-12-24 06:58:05,665 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 [2023-12-24 06:58:05,742 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 [2023-12-24 06:58:05,745 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-24 06:58:05,745 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 356 with TraceHistMax 56,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-24 06:58:05,748 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-24 06:58:05,750 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-24 06:58:05,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.12 06:58:05 BoogieIcfgContainer [2023-12-24 06:58:05,751 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-24 06:58:05,752 INFO L158 Benchmark]: Toolchain (without parser) took 884012.06ms. Allocated memory is still 242.2MB. Free memory was 200.4MB in the beginning and 76.9MB in the end (delta: 123.5MB). Peak memory consumption was 123.8MB. Max. memory is 8.0GB. [2023-12-24 06:58:05,752 INFO L158 Benchmark]: CDTParser took 4.95ms. Allocated memory is still 201.3MB. Free memory is still 153.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-24 06:58:05,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.94ms. Allocated memory is still 242.2MB. Free memory was 200.0MB in the beginning and 175.2MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-12-24 06:58:05,752 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.25ms. Allocated memory is still 242.2MB. Free memory was 175.2MB in the beginning and 170.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-24 06:58:05,752 INFO L158 Benchmark]: Boogie Preprocessor took 138.81ms. Allocated memory is still 242.2MB. Free memory was 170.4MB in the beginning and 160.9MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-12-24 06:58:05,752 INFO L158 Benchmark]: RCFGBuilder took 34812.64ms. Allocated memory is still 242.2MB. Free memory was 160.9MB in the beginning and 169.7MB in the end (delta: -8.8MB). Peak memory consumption was 17.3MB. Max. memory is 8.0GB. [2023-12-24 06:58:05,753 INFO L158 Benchmark]: TraceAbstraction took 848578.68ms. Allocated memory is still 242.2MB. Free memory was 168.7MB in the beginning and 76.9MB in the end (delta: 91.8MB). Peak memory consumption was 91.8MB. Max. memory is 8.0GB. [2023-12-24 06:58:05,753 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.95ms. Allocated memory is still 201.3MB. Free memory is still 153.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 412.94ms. Allocated memory is still 242.2MB. Free memory was 200.0MB in the beginning and 175.2MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 64.25ms. Allocated memory is still 242.2MB. Free memory was 175.2MB in the beginning and 170.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 138.81ms. Allocated memory is still 242.2MB. Free memory was 170.4MB in the beginning and 160.9MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * RCFGBuilder took 34812.64ms. Allocated memory is still 242.2MB. Free memory was 160.9MB in the beginning and 169.7MB in the end (delta: -8.8MB). Peak memory consumption was 17.3MB. Max. memory is 8.0GB. * TraceAbstraction took 848578.68ms. Allocated memory is still 242.2MB. Free memory was 168.7MB in the beginning and 76.9MB in the end (delta: 91.8MB). Peak memory consumption was 91.8MB. 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 356 with TraceHistMax 56,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 158 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 848.5s, OverallIterations: 5, TraceHistogramMax: 56, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 210.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 37 mSolverCounterUnknown, 1565 SdHoareTripleChecker+Valid, 199.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1507 mSDsluCounter, 3233 SdHoareTripleChecker+Invalid, 196.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2166 mSDsCounter, 870 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1841 IncrementalHoareTripleChecker+Invalid, 2748 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 870 mSolverCounterUnsat, 1067 mSDtfsCounter, 1841 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2521 GetRequests, 2441 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 706 ImplicationChecksByTransitivity, 16.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=395occurred in iteration=2, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 529 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 9.4s SatisfiabilityAnalysisTime, 52.7s InterpolantComputationTime, 1413 NumberOfCodeBlocks, 1413 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 2466 ConstructedInterpolants, 0 QuantifiedInterpolants, 6905 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2272 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 42403/43120 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