/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-79.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 12:05:08,869 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 12:05:08,912 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 12:05:08,916 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 12:05:08,916 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 12:05:08,948 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 12:05:08,948 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 12:05:08,949 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 12:05:08,949 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 12:05:08,952 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 12:05:08,952 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 12:05:08,953 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 12:05:08,953 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 12:05:08,954 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 12:05:08,954 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 12:05:08,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 12:05:08,955 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 12:05:08,955 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 12:05:08,955 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 12:05:08,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 12:05:08,956 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 12:05:08,957 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 12:05:08,957 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 12:05:08,957 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 12:05:08,957 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 12:05:08,957 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 12:05:08,957 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 12:05:08,958 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 12:05:08,958 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 12:05:08,958 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 12:05:08,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 12:05:08,959 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 12:05:08,959 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 12:05:08,959 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 12:05:08,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 12:05:08,959 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 12:05:08,959 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 12:05:08,959 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 12:05:08,960 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 12:05:08,960 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 12:05:08,960 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 12:05:08,960 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 12:05:08,960 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 12:05:08,960 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 12:05:08,961 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 12:05:08,961 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 12:05:08,961 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 12:05:09,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 12:05:09,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 12:05:09,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 12:05:09,204 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 12:05:09,204 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 12:05:09,206 INFO L431 ainManager$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-79.i [2023-12-16 12:05:10,199 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 12:05:10,356 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 12:05:10,356 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-79.i [2023-12-16 12:05:10,366 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f269cd44/1ed39354949747d5a0d9ef6f231f77ba/FLAG584b63ec6 [2023-12-16 12:05:10,376 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f269cd44/1ed39354949747d5a0d9ef6f231f77ba [2023-12-16 12:05:10,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 12:05:10,380 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 12:05:10,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 12:05:10,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 12:05:10,387 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 12:05:10,388 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:05:10" (1/1) ... [2023-12-16 12:05:10,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27595317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:10, skipping insertion in model container [2023-12-16 12:05:10,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:05:10" (1/1) ... [2023-12-16 12:05:10,424 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 12:05:10,548 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-79.i[919,932] [2023-12-16 12:05:10,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 12:05:10,613 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 12:05:10,621 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-79.i[919,932] [2023-12-16 12:05:10,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 12:05:10,671 INFO L206 MainTranslator]: Completed translation [2023-12-16 12:05:10,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:10 WrapperNode [2023-12-16 12:05:10,671 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 12:05:10,672 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 12:05:10,672 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 12:05:10,672 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 12:05:10,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:10" (1/1) ... [2023-12-16 12:05:10,689 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:10" (1/1) ... [2023-12-16 12:05:10,726 INFO L138 Inliner]: procedures = 27, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 248 [2023-12-16 12:05:10,726 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 12:05:10,727 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 12:05:10,727 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 12:05:10,727 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 12:05:10,734 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:10" (1/1) ... [2023-12-16 12:05:10,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:10" (1/1) ... [2023-12-16 12:05:10,738 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:10" (1/1) ... [2023-12-16 12:05:10,750 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 12:05:10,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:10" (1/1) ... [2023-12-16 12:05:10,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:10" (1/1) ... [2023-12-16 12:05:10,759 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:10" (1/1) ... [2023-12-16 12:05:10,761 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:10" (1/1) ... [2023-12-16 12:05:10,769 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:10" (1/1) ... [2023-12-16 12:05:10,771 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:10" (1/1) ... [2023-12-16 12:05:10,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 12:05:10,776 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 12:05:10,776 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 12:05:10,776 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 12:05:10,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:10" (1/1) ... [2023-12-16 12:05:10,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 12:05:10,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 12:05:10,833 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 12:05:10,860 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 12:05:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 12:05:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 12:05:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 12:05:10,876 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 12:05:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 12:05:10,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 12:05:10,948 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 12:05:10,950 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 12:05:19,094 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 12:05:19,163 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 12:05:19,163 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 12:05:19,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:05:19 BoogieIcfgContainer [2023-12-16 12:05:19,163 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 12:05:19,165 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 12:05:19,165 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 12:05:19,178 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 12:05:19,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 12:05:10" (1/3) ... [2023-12-16 12:05:19,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@527163e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:05:19, skipping insertion in model container [2023-12-16 12:05:19,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:05:10" (2/3) ... [2023-12-16 12:05:19,179 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@527163e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:05:19, skipping insertion in model container [2023-12-16 12:05:19,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:05:19" (3/3) ... [2023-12-16 12:05:19,180 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-79.i [2023-12-16 12:05:19,192 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 12:05:19,192 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 12:05:19,230 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 12:05:19,237 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;@54ca6085, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 12:05:19,237 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 12:05:19,240 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 55 states have (on average 1.4) internal successors, (77), 56 states have internal predecessors, (77), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-12-16 12:05:19,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2023-12-16 12:05:19,254 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 12:05:19,255 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:05:19,255 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 12:05:19,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 12:05:19,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1354750851, now seen corresponding path program 1 times [2023-12-16 12:05:19,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 12:05:19,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [528882346] [2023-12-16 12:05:19,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:05:19,278 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 12:05:19,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 12:05:19,280 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 12:05:19,287 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 12:05:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:05:19,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 12:05:19,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 12:05:19,956 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1158 proven. 0 refuted. 0 times theorem prover too weak. 1962 trivial. 0 not checked. [2023-12-16 12:05:19,957 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 12:05:19,957 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 12:05:19,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [528882346] [2023-12-16 12:05:19,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [528882346] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 12:05:19,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 12:05:19,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 12:05:19,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174482627] [2023-12-16 12:05:19,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 12:05:19,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 12:05:19,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 12:05:19,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 12:05:19,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 12:05:19,993 INFO L87 Difference]: Start difference. First operand has 98 states, 55 states have (on average 1.4) internal successors, (77), 56 states have internal predecessors, (77), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-12-16 12:05:23,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:05:23,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 12:05:23,427 INFO L93 Difference]: Finished difference Result 193 states and 352 transitions. [2023-12-16 12:05:23,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 12:05:23,471 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 244 [2023-12-16 12:05:23,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 12:05:23,476 INFO L225 Difference]: With dead ends: 193 [2023-12-16 12:05:23,476 INFO L226 Difference]: Without dead ends: 96 [2023-12-16 12:05:23,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 243 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 12:05:23,482 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-12-16 12:05:23,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 147 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-12-16 12:05:23,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-12-16 12:05:23,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2023-12-16 12:05:23,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 54 states have internal predecessors, (70), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-12-16 12:05:23,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 150 transitions. [2023-12-16 12:05:23,517 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 150 transitions. Word has length 244 [2023-12-16 12:05:23,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 12:05:23,517 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 150 transitions. [2023-12-16 12:05:23,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-12-16 12:05:23,518 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 150 transitions. [2023-12-16 12:05:23,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2023-12-16 12:05:23,526 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 12:05:23,527 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:05:23,543 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 [2023-12-16 12:05:23,736 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 12:05:23,737 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 12:05:23,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 12:05:23,738 INFO L85 PathProgramCache]: Analyzing trace with hash 943413659, now seen corresponding path program 1 times [2023-12-16 12:05:23,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 12:05:23,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [715509486] [2023-12-16 12:05:23,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:05:23,739 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 12:05:23,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 12:05:23,740 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 12:05:23,741 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 12:05:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:05:24,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 12:05:24,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 12:05:25,226 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-12-16 12:05:25,226 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 12:05:25,226 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 12:05:25,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [715509486] [2023-12-16 12:05:25,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [715509486] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 12:05:25,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 12:05:25,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 12:05:25,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215310899] [2023-12-16 12:05:25,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 12:05:25,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 12:05:25,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 12:05:25,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 12:05:25,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 12:05:25,229 INFO L87 Difference]: Start difference. First operand 96 states and 150 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-12-16 12:05:29,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:05:30,423 WARN L539 Checker$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 12:05:33,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:05:33,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 12:05:33,183 INFO L93 Difference]: Finished difference Result 307 states and 480 transitions. [2023-12-16 12:05:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 12:05:33,223 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 244 [2023-12-16 12:05:33,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 12:05:33,225 INFO L225 Difference]: With dead ends: 307 [2023-12-16 12:05:33,226 INFO L226 Difference]: Without dead ends: 212 [2023-12-16 12:05:33,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 240 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 12:05:33,227 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 154 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2023-12-16 12:05:33,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 484 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2023-12-16 12:05:33,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2023-12-16 12:05:33,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 189. [2023-12-16 12:05:33,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 106 states have (on average 1.2735849056603774) internal successors, (135), 106 states have internal predecessors, (135), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2023-12-16 12:05:33,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 295 transitions. [2023-12-16 12:05:33,306 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 295 transitions. Word has length 244 [2023-12-16 12:05:33,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 12:05:33,308 INFO L495 AbstractCegarLoop]: Abstraction has 189 states and 295 transitions. [2023-12-16 12:05:33,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-12-16 12:05:33,309 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 295 transitions. [2023-12-16 12:05:33,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2023-12-16 12:05:33,315 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 12:05:33,315 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:05:33,339 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 12:05:33,531 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 12:05:33,531 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 12:05:33,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 12:05:33,532 INFO L85 PathProgramCache]: Analyzing trace with hash -2022375947, now seen corresponding path program 1 times [2023-12-16 12:05:33,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 12:05:33,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [842942647] [2023-12-16 12:05:33,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:05:33,533 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 12:05:33,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 12:05:33,535 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 12:05:33,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-16 12:05:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:05:34,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 12:05:34,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 12:05:34,798 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-12-16 12:05:34,798 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 12:05:34,799 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 12:05:34,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [842942647] [2023-12-16 12:05:34,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [842942647] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 12:05:34,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 12:05:34,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 12:05:34,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490087218] [2023-12-16 12:05:34,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 12:05:34,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 12:05:34,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 12:05:34,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 12:05:34,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 12:05:34,801 INFO L87 Difference]: Start difference. First operand 189 states and 295 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-12-16 12:05:38,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:05:42,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:05:46,572 WARN L539 Checker$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 [] [2023-12-16 12:05:48,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:05:50,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:05:50,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 12:05:50,563 INFO L93 Difference]: Finished difference Result 492 states and 767 transitions. [2023-12-16 12:05:50,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 12:05:50,603 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 246 [2023-12-16 12:05:50,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 12:05:50,606 INFO L225 Difference]: With dead ends: 492 [2023-12-16 12:05:50,606 INFO L226 Difference]: Without dead ends: 304 [2023-12-16 12:05:50,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 242 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 12:05:50,609 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 107 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 81 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2023-12-16 12:05:50,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 457 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 105 Invalid, 2 Unknown, 0 Unchecked, 15.7s Time] [2023-12-16 12:05:50,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2023-12-16 12:05:50,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 262. [2023-12-16 12:05:50,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 138 states have (on average 1.210144927536232) internal successors, (167), 138 states have internal predecessors, (167), 120 states have call successors, (120), 3 states have call predecessors, (120), 3 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2023-12-16 12:05:50,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 407 transitions. [2023-12-16 12:05:50,705 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 407 transitions. Word has length 246 [2023-12-16 12:05:50,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 12:05:50,706 INFO L495 AbstractCegarLoop]: Abstraction has 262 states and 407 transitions. [2023-12-16 12:05:50,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-12-16 12:05:50,707 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 407 transitions. [2023-12-16 12:05:50,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2023-12-16 12:05:50,709 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 12:05:50,709 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:05:50,725 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 (4)] Ended with exit code 0 [2023-12-16 12:05:50,924 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 12:05:50,925 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 12:05:50,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 12:05:50,925 INFO L85 PathProgramCache]: Analyzing trace with hash 684243447, now seen corresponding path program 1 times [2023-12-16 12:05:50,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 12:05:50,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1167207595] [2023-12-16 12:05:50,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:05:50,926 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 12:05:50,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 12:05:50,931 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 12:05:50,952 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 12:05:51,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:05:51,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 12:05:51,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 12:05:51,573 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-12-16 12:05:51,573 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 12:05:51,573 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 12:05:51,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1167207595] [2023-12-16 12:05:51,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1167207595] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 12:05:51,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 12:05:51,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 12:05:51,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649603575] [2023-12-16 12:05:51,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 12:05:51,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 12:05:51,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 12:05:51,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 12:05:51,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 12:05:51,577 INFO L87 Difference]: Start difference. First operand 262 states and 407 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-12-16 12:05:56,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:05:56,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 12:05:56,345 INFO L93 Difference]: Finished difference Result 458 states and 707 transitions. [2023-12-16 12:05:56,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 12:05:56,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 246 [2023-12-16 12:05:56,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 12:05:56,349 INFO L225 Difference]: With dead ends: 458 [2023-12-16 12:05:56,349 INFO L226 Difference]: Without dead ends: 270 [2023-12-16 12:05:56,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 12:05:56,350 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 43 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-12-16 12:05:56,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 254 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-12-16 12:05:56,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2023-12-16 12:05:56,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2023-12-16 12:05:56,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 144 states have (on average 1.1875) internal successors, (171), 144 states have internal predecessors, (171), 120 states have call successors, (120), 5 states have call predecessors, (120), 5 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2023-12-16 12:05:56,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 411 transitions. [2023-12-16 12:05:56,421 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 411 transitions. Word has length 246 [2023-12-16 12:05:56,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 12:05:56,436 INFO L495 AbstractCegarLoop]: Abstraction has 270 states and 411 transitions. [2023-12-16 12:05:56,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-12-16 12:05:56,437 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 411 transitions. [2023-12-16 12:05:56,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-12-16 12:05:56,439 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 12:05:56,439 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:05:56,459 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 (5)] Ended with exit code 0 [2023-12-16 12:05:56,652 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 12:05:56,653 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 12:05:56,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 12:05:56,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1495208910, now seen corresponding path program 1 times [2023-12-16 12:05:56,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 12:05:56,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [117277464] [2023-12-16 12:05:56,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:05:56,654 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 12:05:56,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 12:05:56,656 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 12:05:56,656 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 12:05:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:05:57,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-16 12:05:57,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 12:05:57,793 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1467 proven. 75 refuted. 0 times theorem prover too weak. 1578 trivial. 0 not checked. [2023-12-16 12:05:57,793 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 12:05:58,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 42 proven. 75 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2023-12-16 12:05:58,286 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 12:05:58,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [117277464] [2023-12-16 12:05:58,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [117277464] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 12:05:58,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 12:05:58,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-12-16 12:05:58,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21572657] [2023-12-16 12:05:58,286 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 12:05:58,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 12:05:58,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 12:05:58,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 12:05:58,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-16 12:05:58,288 INFO L87 Difference]: Start difference. First operand 270 states and 411 transitions. Second operand has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 2 states have call successors, (65), 2 states have call predecessors, (65), 4 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2023-12-16 12:06:03,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:06:06,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:06:06,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 12:06:06,360 INFO L93 Difference]: Finished difference Result 397 states and 587 transitions. [2023-12-16 12:06:06,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-16 12:06:06,422 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 2 states have call successors, (65), 2 states have call predecessors, (65), 4 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) Word has length 247 [2023-12-16 12:06:06,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 12:06:06,428 INFO L225 Difference]: With dead ends: 397 [2023-12-16 12:06:06,432 INFO L226 Difference]: Without dead ends: 298 [2023-12-16 12:06:06,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 500 GetRequests, 485 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2023-12-16 12:06:06,434 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 208 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 173 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2023-12-16 12:06:06,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 215 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 213 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2023-12-16 12:06:06,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2023-12-16 12:06:06,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 282. [2023-12-16 12:06:06,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 153 states have (on average 1.1633986928104576) internal successors, (178), 153 states have internal predecessors, (178), 120 states have call successors, (120), 8 states have call predecessors, (120), 8 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2023-12-16 12:06:06,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 418 transitions. [2023-12-16 12:06:06,457 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 418 transitions. Word has length 247 [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 282 states and 418 transitions. [2023-12-16 12:06:06,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.222222222222222) internal successors, (65), 9 states have internal predecessors, (65), 2 states have call successors, (65), 2 states have call predecessors, (65), 4 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2023-12-16 12:06:06,461 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 418 transitions. [2023-12-16 12:06:06,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-12-16 12:06:06,464 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 12:06:06,464 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 (6)] Forceful destruction successful, exit code 0 [2023-12-16 12:06:06,684 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 12:06:06,684 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 12:06:06,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 12:06:06,685 INFO L85 PathProgramCache]: Analyzing trace with hash -234425685, now seen corresponding path program 1 times [2023-12-16 12:06:06,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 12:06:06,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [489785142] [2023-12-16 12:06:06,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:06:06,686 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 12:06:06,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 12:06:06,687 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 12:06:06,709 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 12:06:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:06:07,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-16 12:06:07,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-16 12:06:26,881 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 12:06:26,883 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 12:06:26,888 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 12:06:26,904 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 12:06:27,082 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 12:06:27,082 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 248 with TraceHistMax 40,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-5-2-2-1 context. [2023-12-16 12:06:27,086 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-12-16 12:06:27,088 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 12:06:27,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 12:06:27 BoogieIcfgContainer [2023-12-16 12:06:27,089 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 12:06:27,089 INFO L158 Benchmark]: Toolchain (without parser) took 76709.69ms. Allocated memory is still 347.1MB. Free memory was 303.1MB in the beginning and 218.4MB in the end (delta: 84.8MB). Peak memory consumption was 85.5MB. Max. memory is 8.0GB. [2023-12-16 12:06:27,090 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 210.8MB. Free memory is still 162.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 12:06:27,090 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.90ms. Allocated memory is still 347.1MB. Free memory was 303.1MB in the beginning and 285.7MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-16 12:06:27,090 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.08ms. Allocated memory is still 347.1MB. Free memory was 285.7MB in the beginning and 282.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 12:06:27,090 INFO L158 Benchmark]: Boogie Preprocessor took 48.46ms. Allocated memory is still 347.1MB. Free memory was 282.6MB in the beginning and 278.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 12:06:27,090 INFO L158 Benchmark]: RCFGBuilder took 8387.54ms. Allocated memory is still 347.1MB. Free memory was 278.0MB in the beginning and 311.9MB in the end (delta: -33.9MB). Peak memory consumption was 35.1MB. Max. memory is 8.0GB. [2023-12-16 12:06:27,090 INFO L158 Benchmark]: TraceAbstraction took 67924.19ms. Allocated memory is still 347.1MB. Free memory was 311.4MB in the beginning and 218.4MB in the end (delta: 93.0MB). Peak memory consumption was 93.4MB. Max. memory is 8.0GB. [2023-12-16 12:06:27,097 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 210.8MB. Free memory is still 162.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 290.90ms. Allocated memory is still 347.1MB. Free memory was 303.1MB in the beginning and 285.7MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 54.08ms. Allocated memory is still 347.1MB. Free memory was 285.7MB in the beginning and 282.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.46ms. Allocated memory is still 347.1MB. Free memory was 282.6MB in the beginning and 278.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 8387.54ms. Allocated memory is still 347.1MB. Free memory was 278.0MB in the beginning and 311.9MB in the end (delta: -33.9MB). Peak memory consumption was 35.1MB. Max. memory is 8.0GB. * TraceAbstraction took 67924.19ms. Allocated memory is still 347.1MB. Free memory was 311.4MB in the beginning and 218.4MB in the end (delta: 93.0MB). Peak memory consumption was 93.4MB. 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 248 with TraceHistMax 40,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-5-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 98 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 67.9s, OverallIterations: 6, TraceHistogramMax: 40, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 40.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 514 SdHoareTripleChecker+Valid, 39.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 512 mSDsluCounter, 1557 SdHoareTripleChecker+Invalid, 39.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 857 mSDsCounter, 339 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 447 IncrementalHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 339 mSolverCounterUnsat, 700 mSDtfsCounter, 447 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1480 GetRequests, 1454 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=282occurred in iteration=5, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 81 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1227 NumberOfCodeBlocks, 1227 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1468 ConstructedInterpolants, 0 QuantifiedInterpolants, 3034 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2023 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 18570/18720 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