/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-co_file-85.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 12:05:49,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 12:05:49,769 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 12:05:49,773 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 12:05:49,774 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 12:05:49,794 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 12:05:49,795 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 12:05:49,795 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 12:05:49,795 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 12:05:49,798 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 12:05:49,798 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 12:05:49,798 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 12:05:49,799 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 12:05:49,799 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 12:05:49,800 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 12:05:49,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 12:05:49,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 12:05:49,800 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 12:05:49,800 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 12:05:49,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 12:05:49,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 12:05:49,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 12:05:49,802 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 12:05:49,802 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 12:05:49,802 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 12:05:49,802 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 12:05:49,802 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 12:05:49,803 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 12:05:49,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 12:05:49,803 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 12:05:49,804 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 12:05:49,804 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 12:05:49,804 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 12:05:49,804 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 12:05:49,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 12:05:49,804 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 12:05:49,804 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 12:05:49,804 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 12:05:49,805 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 12:05:49,805 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 12:05:49,805 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 12:05:49,805 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 12:05:49,806 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 12:05:49,806 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 12:05:49,806 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 12:05:49,806 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 12:05:49,806 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 12:05:49,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 12:05:49,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 12:05:49,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 12:05:49,983 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 12:05:49,985 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 12:05:49,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-85.i [2023-12-16 12:05:50,906 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 12:05:51,079 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 12:05:51,079 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-85.i [2023-12-16 12:05:51,088 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/367c57969/b72b59b0e57b49fc802ce06ffd29273f/FLAGaeda65402 [2023-12-16 12:05:51,099 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/367c57969/b72b59b0e57b49fc802ce06ffd29273f [2023-12-16 12:05:51,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 12:05:51,102 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 12:05:51,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 12:05:51,104 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 12:05:51,107 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 12:05:51,107 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:05:51" (1/1) ... [2023-12-16 12:05:51,108 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6666e1db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:51, skipping insertion in model container [2023-12-16 12:05:51,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:05:51" (1/1) ... [2023-12-16 12:05:51,131 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 12:05:51,232 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-co_file-85.i[919,932] [2023-12-16 12:05:51,282 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 12:05:51,296 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 12:05:51,305 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-co_file-85.i[919,932] [2023-12-16 12:05:51,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 12:05:51,350 INFO L206 MainTranslator]: Completed translation [2023-12-16 12:05:51,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:51 WrapperNode [2023-12-16 12:05:51,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 12:05:51,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 12:05:51,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 12:05:51,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 12:05:51,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:51" (1/1) ... [2023-12-16 12:05:51,367 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:51" (1/1) ... [2023-12-16 12:05:51,396 INFO L138 Inliner]: procedures = 27, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 200 [2023-12-16 12:05:51,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 12:05:51,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 12:05:51,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 12:05:51,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 12:05:51,404 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:51" (1/1) ... [2023-12-16 12:05:51,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:51" (1/1) ... [2023-12-16 12:05:51,408 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:51" (1/1) ... [2023-12-16 12:05:51,417 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]. [2023-12-16 12:05:51,417 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:51" (1/1) ... [2023-12-16 12:05:51,417 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:51" (1/1) ... [2023-12-16 12:05:51,425 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:51" (1/1) ... [2023-12-16 12:05:51,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:51" (1/1) ... [2023-12-16 12:05:51,430 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:51" (1/1) ... [2023-12-16 12:05:51,431 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:51" (1/1) ... [2023-12-16 12:05:51,434 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 12:05:51,434 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 12:05:51,434 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 12:05:51,434 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 12:05:51,435 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:51" (1/1) ... [2023-12-16 12:05:51,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 12:05:51,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 12:05:51,463 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) [2023-12-16 12:05:51,483 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 [2023-12-16 12:05:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 12:05:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 12:05:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 12:05:51,488 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 12:05:51,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 12:05:51,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 12:05:51,582 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 12:05:51,583 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 12:06:03,950 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 12:06:03,991 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 12:06:03,991 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 12:06:03,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:06:03 BoogieIcfgContainer [2023-12-16 12:06:03,992 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 12:06:03,993 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 12:06:03,993 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 12:06:03,995 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 12:06:03,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 12:05:51" (1/3) ... [2023-12-16 12:06:03,995 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c24bad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:06:03, skipping insertion in model container [2023-12-16 12:06:03,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:51" (2/3) ... [2023-12-16 12:06:03,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c24bad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:06:03, skipping insertion in model container [2023-12-16 12:06:03,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:06:03" (3/3) ... [2023-12-16 12:06:03,997 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-85.i [2023-12-16 12:06:04,010 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 12:06:04,011 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 12:06:04,050 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 12:06:04,056 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;@53938c87, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 12:06:04,056 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 12:06:04,061 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 49 states have (on average 1.469387755102041) internal successors, (72), 50 states have internal predecessors, (72), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-16 12:06:04,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-12-16 12:06:04,075 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 12:06:04,075 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 12:06:04,076 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 12:06:04,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 12:06:04,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1223284714, now seen corresponding path program 1 times [2023-12-16 12:06:04,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 12:06:04,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [322333881] [2023-12-16 12:06:04,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:06:04,092 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 [2023-12-16 12:06:04,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 12:06:04,094 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) [2023-12-16 12:06:04,100 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 [2023-12-16 12:06:04,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:06:04,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 12:06:04,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 12:06:04,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 458 proven. 0 refuted. 0 times theorem prover too weak. 1282 trivial. 0 not checked. [2023-12-16 12:06:04,865 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 12:06:04,865 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 12:06:04,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [322333881] [2023-12-16 12:06:04,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [322333881] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 12:06:04,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 12:06:04,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 12:06:04,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645539653] [2023-12-16 12:06:04,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 12:06:04,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 12:06:04,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 12:06:04,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 12:06:04,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 12:06:04,902 INFO L87 Difference]: Start difference. First operand has 82 states, 49 states have (on average 1.469387755102041) internal successors, (72), 50 states have internal predecessors, (72), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-12-16 12:06:06,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:06:06,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 12:06:06,386 INFO L93 Difference]: Finished difference Result 161 states and 292 transitions. [2023-12-16 12:06:06,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 12:06:06,422 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 186 [2023-12-16 12:06:06,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 12:06:06,427 INFO L225 Difference]: With dead ends: 161 [2023-12-16 12:06:06,427 INFO L226 Difference]: Without dead ends: 80 [2023-12-16 12:06:06,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 12:06:06,431 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-16 12:06:06,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-16 12:06:06,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-12-16 12:06:06,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-12-16 12:06:06,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 48 states have (on average 1.375) internal successors, (66), 48 states have internal predecessors, (66), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-16 12:06:06,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 126 transitions. [2023-12-16 12:06:06,460 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 126 transitions. Word has length 186 [2023-12-16 12:06:06,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 12:06:06,460 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 126 transitions. [2023-12-16 12:06:06,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-12-16 12:06:06,461 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 126 transitions. [2023-12-16 12:06:06,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-12-16 12:06:06,463 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 12:06:06,464 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 12:06:06,484 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 [2023-12-16 12:06:06,673 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 [2023-12-16 12:06:06,674 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 12:06:06,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 12:06:06,675 INFO L85 PathProgramCache]: Analyzing trace with hash -2044035218, now seen corresponding path program 1 times [2023-12-16 12:06:06,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 12:06:06,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [526537116] [2023-12-16 12:06:06,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:06:06,676 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 [2023-12-16 12:06:06,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 12:06:06,677 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) [2023-12-16 12:06:06,678 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 [2023-12-16 12:06:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:06:07,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 12:06:07,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 12:06:08,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2023-12-16 12:06:08,306 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 12:06:08,306 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 12:06:08,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [526537116] [2023-12-16 12:06:08,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [526537116] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 12:06:08,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 12:06:08,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 12:06:08,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676190985] [2023-12-16 12:06:08,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 12:06:08,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 12:06:08,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 12:06:08,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 12:06:08,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 12:06:08,308 INFO L87 Difference]: Start difference. First operand 80 states and 126 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-12-16 12:06:10,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-16 12:06:10,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 12:06:10,391 INFO L93 Difference]: Finished difference Result 159 states and 251 transitions. [2023-12-16 12:06:10,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 12:06:10,418 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 186 [2023-12-16 12:06:10,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 12:06:10,419 INFO L225 Difference]: With dead ends: 159 [2023-12-16 12:06:10,419 INFO L226 Difference]: Without dead ends: 80 [2023-12-16 12:06:10,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-16 12:06:10,421 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 106 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-16 12:06:10,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 141 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-16 12:06:10,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-12-16 12:06:10,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-12-16 12:06:10,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 48 states have (on average 1.3541666666666667) internal successors, (65), 48 states have internal predecessors, (65), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-16 12:06:10,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 125 transitions. [2023-12-16 12:06:10,430 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 125 transitions. Word has length 186 [2023-12-16 12:06:10,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 12:06:10,432 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 125 transitions. [2023-12-16 12:06:10,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-12-16 12:06:10,432 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 125 transitions. [2023-12-16 12:06:10,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-12-16 12:06:10,434 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 12:06:10,434 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 12:06:10,451 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 [2023-12-16 12:06:10,638 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 [2023-12-16 12:06:10,638 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 12:06:10,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 12:06:10,639 INFO L85 PathProgramCache]: Analyzing trace with hash -914437140, now seen corresponding path program 1 times [2023-12-16 12:06:10,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 12:06:10,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [227059428] [2023-12-16 12:06:10,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:06:10,639 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 [2023-12-16 12:06:10,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 12:06:10,645 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) [2023-12-16 12:06:10,646 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 [2023-12-16 12:06:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:06:11,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-16 12:06:11,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 12:06:13,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 869 proven. 51 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2023-12-16 12:06:13,995 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 12:06:14,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 36 proven. 51 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-12-16 12:06:14,795 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 12:06:14,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [227059428] [2023-12-16 12:06:14,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [227059428] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 12:06:14,796 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 12:06:14,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2023-12-16 12:06:14,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685535141] [2023-12-16 12:06:14,796 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 12:06:14,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-16 12:06:14,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 12:06:14,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-16 12:06:14,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2023-12-16 12:06:14,798 INFO L87 Difference]: Start difference. First operand 80 states and 125 transitions. Second operand has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 4 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (60), 4 states have call predecessors, (60), 4 states have call successors, (60) [2023-12-16 12:06:21,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:06:23,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:06:27,706 WARN L539 Checker$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 [] [2023-12-16 12:06:31,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:06:34,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:06:35,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:06:41,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:06:43,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:06:44,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:06:44,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 12:06:44,819 INFO L93 Difference]: Finished difference Result 361 states and 566 transitions. [2023-12-16 12:06:44,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-16 12:06:44,820 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 4 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (60), 4 states have call predecessors, (60), 4 states have call successors, (60) Word has length 187 [2023-12-16 12:06:44,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 12:06:44,822 INFO L225 Difference]: With dead ends: 361 [2023-12-16 12:06:44,822 INFO L226 Difference]: Without dead ends: 282 [2023-12-16 12:06:44,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 361 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=228, Invalid=584, Unknown=0, NotChecked=0, Total=812 [2023-12-16 12:06:44,824 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 604 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 289 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 632 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 289 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.3s IncrementalHoareTripleChecker+Time [2023-12-16 12:06:44,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [632 Valid, 676 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [289 Valid, 655 Invalid, 4 Unknown, 0 Unchecked, 29.3s Time] [2023-12-16 12:06:44,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2023-12-16 12:06:44,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 194. [2023-12-16 12:06:44,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 118 states have (on average 1.3305084745762712) internal successors, (157), 119 states have internal predecessors, (157), 71 states have call successors, (71), 4 states have call predecessors, (71), 4 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) [2023-12-16 12:06:44,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 299 transitions. [2023-12-16 12:06:44,855 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 299 transitions. Word has length 187 [2023-12-16 12:06:44,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 12:06:44,856 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 299 transitions. [2023-12-16 12:06:44,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 4 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (60), 4 states have call predecessors, (60), 4 states have call successors, (60) [2023-12-16 12:06:44,856 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 299 transitions. [2023-12-16 12:06:44,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-12-16 12:06:44,858 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 12:06:44,858 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 12:06:44,878 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 [2023-12-16 12:06:45,065 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 [2023-12-16 12:06:45,065 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 12:06:45,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 12:06:45,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1643158751, now seen corresponding path program 1 times [2023-12-16 12:06:45,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 12:06:45,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1306050572] [2023-12-16 12:06:45,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:06:45,067 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 [2023-12-16 12:06:45,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 12:06:45,068 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) [2023-12-16 12:06:45,071 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 [2023-12-16 12:06:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:06:45,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 12:06:45,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 12:06:47,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2023-12-16 12:06:47,436 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 12:06:47,437 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 12:06:47,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1306050572] [2023-12-16 12:06:47,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1306050572] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 12:06:47,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 12:06:47,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 12:06:47,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130598834] [2023-12-16 12:06:47,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 12:06:47,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 12:06:47,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 12:06:47,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 12:06:47,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 12:06:47,438 INFO L87 Difference]: Start difference. First operand 194 states and 299 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-12-16 12:06:48,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:06:50,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:06:50,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 12:06:50,862 INFO L93 Difference]: Finished difference Result 338 states and 524 transitions. [2023-12-16 12:06:50,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 12:06:50,895 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 188 [2023-12-16 12:06:50,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 12:06:50,898 INFO L225 Difference]: With dead ends: 338 [2023-12-16 12:06:50,898 INFO L226 Difference]: Without dead ends: 210 [2023-12-16 12:06:50,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-16 12:06:50,901 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 82 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-12-16 12:06:50,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 466 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-12-16 12:06:50,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2023-12-16 12:06:50,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 192. [2023-12-16 12:06:50,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 116 states have (on average 1.3189655172413792) internal successors, (153), 117 states have internal predecessors, (153), 71 states have call successors, (71), 4 states have call predecessors, (71), 4 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) [2023-12-16 12:06:50,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 295 transitions. [2023-12-16 12:06:50,926 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 295 transitions. Word has length 188 [2023-12-16 12:06:50,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 12:06:50,927 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 295 transitions. [2023-12-16 12:06:50,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-12-16 12:06:50,927 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 295 transitions. [2023-12-16 12:06:50,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-12-16 12:06:50,928 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 12:06:50,929 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 12:06:50,949 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 [2023-12-16 12:06:51,135 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 [2023-12-16 12:06:51,135 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 12:06:51,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 12:06:51,136 INFO L85 PathProgramCache]: Analyzing trace with hash -811811200, now seen corresponding path program 1 times [2023-12-16 12:06:51,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 12:06:51,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1128039784] [2023-12-16 12:06:51,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:06:51,136 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 [2023-12-16 12:06:51,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 12:06:51,138 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) [2023-12-16 12:06:51,142 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 [2023-12-16 12:06:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:06:51,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-16 12:06:51,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 12:06:52,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-12-16 12:06:52,965 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 12:06:52,965 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 12:06:52,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1128039784] [2023-12-16 12:06:52,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1128039784] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 12:06:52,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 12:06:52,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 12:06:52,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384113] [2023-12-16 12:06:52,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 12:06:52,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 12:06:52,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 12:06:52,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 12:06:52,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-12-16 12:06:52,966 INFO L87 Difference]: Start difference. First operand 192 states and 295 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) [2023-12-16 12:06:55,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:06:56,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:06:57,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 12:06:57,051 INFO L93 Difference]: Finished difference Result 468 states and 711 transitions. [2023-12-16 12:06:57,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 12:06:57,052 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) Word has length 189 [2023-12-16 12:06:57,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 12:06:57,054 INFO L225 Difference]: With dead ends: 468 [2023-12-16 12:06:57,054 INFO L226 Difference]: Without dead ends: 342 [2023-12-16 12:06:57,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=130, Invalid=250, Unknown=0, NotChecked=0, Total=380 [2023-12-16 12:06:57,055 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 257 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-12-16 12:06:57,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 308 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-12-16 12:06:57,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2023-12-16 12:06:57,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 247. [2023-12-16 12:06:57,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 169 states have (on average 1.378698224852071) internal successors, (233), 170 states have internal predecessors, (233), 71 states have call successors, (71), 6 states have call predecessors, (71), 6 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) [2023-12-16 12:06:57,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 375 transitions. [2023-12-16 12:06:57,079 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 375 transitions. Word has length 189 [2023-12-16 12:06:57,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 12:06:57,079 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 375 transitions. [2023-12-16 12:06:57,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) [2023-12-16 12:06:57,079 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 375 transitions. [2023-12-16 12:06:57,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-12-16 12:06:57,081 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 12:06:57,081 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 12:06:57,101 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 [2023-12-16 12:06:57,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /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 [2023-12-16 12:06:57,296 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 12:06:57,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 12:06:57,297 INFO L85 PathProgramCache]: Analyzing trace with hash -811751618, now seen corresponding path program 1 times [2023-12-16 12:06:57,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 12:06:57,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [20475501] [2023-12-16 12:06:57,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:06:57,297 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 [2023-12-16 12:06:57,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 12:06:57,298 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 12:06:57,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-16 12:06:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:06:57,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-16 12:06:57,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-16 12:07:06,673 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 (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 12:07:06,700 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 [2023-12-16 12:07:07,111 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 12:07:07,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-12-16 12:07:07,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 12:07:07,312 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 190 with TraceHistMax 30,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-14-1 term,while PolyPacSimplificationTermWalker was simplifying 14 xjuncts wrt. a ATOM-1 context. [2023-12-16 12:07:07,315 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-12-16 12:07:07,317 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 12:07:07,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 12:07:07 BoogieIcfgContainer [2023-12-16 12:07:07,318 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 12:07:07,319 INFO L158 Benchmark]: Toolchain (without parser) took 76216.50ms. Allocated memory is still 191.9MB. Free memory was 147.8MB in the beginning and 145.5MB in the end (delta: 2.3MB). Peak memory consumption was 97.3MB. Max. memory is 8.0GB. [2023-12-16 12:07:07,319 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 191.9MB. Free memory is still 149.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 12:07:07,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.26ms. Allocated memory is still 191.9MB. Free memory was 147.5MB in the beginning and 131.4MB in the end (delta: 16.1MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-16 12:07:07,319 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.90ms. Allocated memory is still 191.9MB. Free memory was 131.4MB in the beginning and 128.6MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 12:07:07,319 INFO L158 Benchmark]: Boogie Preprocessor took 36.75ms. Allocated memory is still 191.9MB. Free memory was 128.6MB in the beginning and 124.7MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 12:07:07,320 INFO L158 Benchmark]: RCFGBuilder took 12557.33ms. Allocated memory is still 191.9MB. Free memory was 124.7MB in the beginning and 155.8MB in the end (delta: -31.1MB). Peak memory consumption was 24.3MB. Max. memory is 8.0GB. [2023-12-16 12:07:07,320 INFO L158 Benchmark]: TraceAbstraction took 63325.45ms. Allocated memory is still 191.9MB. Free memory was 155.3MB in the beginning and 145.5MB in the end (delta: 9.8MB). Peak memory consumption was 105.6MB. Max. memory is 8.0GB. [2023-12-16 12:07:07,321 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 191.9MB. Free memory is still 149.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 247.26ms. Allocated memory is still 191.9MB. Free memory was 147.5MB in the beginning and 131.4MB in the end (delta: 16.1MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.90ms. Allocated memory is still 191.9MB. Free memory was 131.4MB in the beginning and 128.6MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.75ms. Allocated memory is still 191.9MB. Free memory was 128.6MB in the beginning and 124.7MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 12557.33ms. Allocated memory is still 191.9MB. Free memory was 124.7MB in the beginning and 155.8MB in the end (delta: -31.1MB). Peak memory consumption was 24.3MB. Max. memory is 8.0GB. * TraceAbstraction took 63325.45ms. Allocated memory is still 191.9MB. Free memory was 155.3MB in the beginning and 145.5MB in the end (delta: 9.8MB). Peak memory consumption was 105.6MB. 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 190 with TraceHistMax 30,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-14-1 term,while PolyPacSimplificationTermWalker was simplifying 14 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 63.3s, OverallIterations: 6, TraceHistogramMax: 30, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 41.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 1077 SdHoareTripleChecker+Valid, 39.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1049 mSDsluCounter, 1714 SdHoareTripleChecker+Invalid, 39.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1110 mSDsCounter, 599 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1158 IncrementalHoareTripleChecker+Invalid, 1761 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 599 mSolverCounterUnsat, 604 mSDtfsCounter, 1158 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1150 GetRequests, 1094 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=247occurred in iteration=5, InterpolantAutomatonStates: 47, 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, 5 MinimizatonAttempts, 201 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 7.5s InterpolantComputationTime, 936 NumberOfCodeBlocks, 936 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1117 ConstructedInterpolants, 1 QuantifiedInterpolants, 4850 SizeOfPredicates, 25 NumberOfNonLiveVariables, 1570 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 10338/10440 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