/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-pr-cn_file-84.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 12:24:16,055 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 12:24:16,108 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 12:24:16,114 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 12:24:16,114 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 12:24:16,145 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 12:24:16,146 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 12:24:16,146 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 12:24:16,146 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 12:24:16,150 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 12:24:16,150 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 12:24:16,151 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 12:24:16,151 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 12:24:16,153 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 12:24:16,153 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 12:24:16,153 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 12:24:16,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 12:24:16,154 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 12:24:16,154 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 12:24:16,154 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 12:24:16,155 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 12:24:16,156 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 12:24:16,156 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 12:24:16,156 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 12:24:16,156 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 12:24:16,157 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 12:24:16,157 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 12:24:16,157 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 12:24:16,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 12:24:16,157 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 12:24:16,158 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 12:24:16,158 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 12:24:16,159 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 12:24:16,159 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 12:24:16,159 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 12:24:16,159 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 12:24:16,159 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 12:24:16,159 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 12:24:16,160 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 12:24:16,160 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 12:24:16,160 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 12:24:16,160 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 12:24:16,160 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 12:24:16,160 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 12:24:16,161 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 12:24:16,161 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 12:24:16,161 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 12:24:16,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 12:24:16,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 12:24:16,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 12:24:16,443 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 12:24:16,444 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 12:24:16,446 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-84.i [2023-12-16 12:24:17,602 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 12:24:17,833 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 12:24:17,833 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-84.i [2023-12-16 12:24:17,845 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71a85ebdf/15a591002dce4b19a0244af80f4662de/FLAG843fdabc7 [2023-12-16 12:24:17,861 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71a85ebdf/15a591002dce4b19a0244af80f4662de [2023-12-16 12:24:17,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 12:24:17,864 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 12:24:17,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 12:24:17,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 12:24:17,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 12:24:17,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:24:17" (1/1) ... [2023-12-16 12:24:17,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dfc9829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:24:17, skipping insertion in model container [2023-12-16 12:24:17,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:24:17" (1/1) ... [2023-12-16 12:24:17,910 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 12:24:18,043 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-pr-cn_file-84.i[919,932] [2023-12-16 12:24:18,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 12:24:18,129 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 12:24:18,140 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-pr-cn_file-84.i[919,932] [2023-12-16 12:24:18,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 12:24:18,214 INFO L206 MainTranslator]: Completed translation [2023-12-16 12:24:18,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:24:18 WrapperNode [2023-12-16 12:24:18,214 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 12:24:18,215 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 12:24:18,215 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 12:24:18,215 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 12:24:18,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:24:18" (1/1) ... [2023-12-16 12:24:18,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:24:18" (1/1) ... [2023-12-16 12:24:18,266 INFO L138 Inliner]: procedures = 27, calls = 64, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 256 [2023-12-16 12:24:18,267 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 12:24:18,267 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 12:24:18,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 12:24:18,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 12:24:18,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:24:18" (1/1) ... [2023-12-16 12:24:18,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:24:18" (1/1) ... [2023-12-16 12:24:18,290 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:24:18" (1/1) ... [2023-12-16 12:24:18,313 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 12:24:18,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:24:18" (1/1) ... [2023-12-16 12:24:18,313 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:24:18" (1/1) ... [2023-12-16 12:24:18,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:24:18" (1/1) ... [2023-12-16 12:24:18,333 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:24:18" (1/1) ... [2023-12-16 12:24:18,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:24:18" (1/1) ... [2023-12-16 12:24:18,337 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:24:18" (1/1) ... [2023-12-16 12:24:18,350 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 12:24:18,351 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 12:24:18,351 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 12:24:18,351 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 12:24:18,352 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:24:18" (1/1) ... [2023-12-16 12:24:18,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 12:24:18,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 12:24:18,385 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 12:24:18,420 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 12:24:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 12:24:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 12:24:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 12:24:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 12:24:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 12:24:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 12:24:18,550 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 12:24:18,552 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 12:24:19,314 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 12:24:19,368 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 12:24:19,368 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 12:24:19,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:24:19 BoogieIcfgContainer [2023-12-16 12:24:19,369 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 12:24:19,391 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 12:24:19,391 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 12:24:19,394 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 12:24:19,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 12:24:17" (1/3) ... [2023-12-16 12:24:19,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@205bce6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:24:19, skipping insertion in model container [2023-12-16 12:24:19,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:24:18" (2/3) ... [2023-12-16 12:24:19,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@205bce6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:24:19, skipping insertion in model container [2023-12-16 12:24:19,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:24:19" (3/3) ... [2023-12-16 12:24:19,400 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-cn_file-84.i [2023-12-16 12:24:19,416 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 12:24:19,416 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 12:24:19,462 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 12:24:19,469 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;@7a2306f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 12:24:19,469 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 12:24:19,472 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 64 states have internal predecessors, (88), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2023-12-16 12:24:19,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2023-12-16 12:24:19,497 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 12:24:19,498 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:19,499 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 12:24:19,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 12:24:19,503 INFO L85 PathProgramCache]: Analyzing trace with hash -90606652, now seen corresponding path program 1 times [2023-12-16 12:24:19,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 12:24:19,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1769773272] [2023-12-16 12:24:19,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:24:19,519 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 12:24:19,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 12:24:19,524 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 12:24:19,533 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 12:24:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:24:19,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 12:24:19,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 12:24:20,049 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 2276 proven. 0 refuted. 0 times theorem prover too weak. 2824 trivial. 0 not checked. [2023-12-16 12:24:20,049 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 12:24:20,050 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 12:24:20,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1769773272] [2023-12-16 12:24:20,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1769773272] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 12:24:20,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 12:24:20,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 12:24:20,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21089559] [2023-12-16 12:24:20,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 12:24:20,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 12:24:20,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 12:24:20,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 12:24:20,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 12:24:20,087 INFO L87 Difference]: Start difference. First operand has 117 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 64 states have internal predecessors, (88), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2023-12-16 12:24:20,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 12:24:20,203 INFO L93 Difference]: Finished difference Result 231 states and 429 transitions. [2023-12-16 12:24:20,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 12:24:20,214 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 306 [2023-12-16 12:24:20,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 12:24:20,222 INFO L225 Difference]: With dead ends: 231 [2023-12-16 12:24:20,222 INFO L226 Difference]: Without dead ends: 115 [2023-12-16 12:24:20,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 305 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 12:24:20,229 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 12:24:20,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 182 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 12:24:20,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-12-16 12:24:20,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2023-12-16 12:24:20,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 62 states have internal predecessors, (83), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2023-12-16 12:24:20,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 185 transitions. [2023-12-16 12:24:20,275 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 185 transitions. Word has length 306 [2023-12-16 12:24:20,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 12:24:20,275 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 185 transitions. [2023-12-16 12:24:20,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2023-12-16 12:24:20,276 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 185 transitions. [2023-12-16 12:24:20,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2023-12-16 12:24:20,282 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 12:24:20,282 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:20,295 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 12:24:20,489 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 12:24:20,489 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 12:24:20,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 12:24:20,490 INFO L85 PathProgramCache]: Analyzing trace with hash -733624562, now seen corresponding path program 1 times [2023-12-16 12:24:20,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 12:24:20,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [249564775] [2023-12-16 12:24:20,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:24:20,491 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 12:24:20,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 12:24:20,492 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 12:24:20,493 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 12:24:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:24:20,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-16 12:24:20,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 12:24:21,542 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 1478 proven. 24 refuted. 0 times theorem prover too weak. 3598 trivial. 0 not checked. [2023-12-16 12:24:21,543 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 12:24:21,891 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 126 proven. 24 refuted. 0 times theorem prover too weak. 4950 trivial. 0 not checked. [2023-12-16 12:24:21,892 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 12:24:21,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [249564775] [2023-12-16 12:24:21,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [249564775] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 12:24:21,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 12:24:21,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2023-12-16 12:24:21,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118449695] [2023-12-16 12:24:21,901 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 12:24:21,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 12:24:21,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 12:24:21,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 12:24:21,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-12-16 12:24:21,909 INFO L87 Difference]: Start difference. First operand 115 states and 185 transitions. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 9 states have internal predecessors, (78), 3 states have call successors, (102), 3 states have call predecessors, (102), 5 states have return successors, (102), 3 states have call predecessors, (102), 3 states have call successors, (102) [2023-12-16 12:24:23,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 12:24:23,746 INFO L93 Difference]: Finished difference Result 517 states and 827 transitions. [2023-12-16 12:24:23,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-16 12:24:23,747 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 9 states have internal predecessors, (78), 3 states have call successors, (102), 3 states have call predecessors, (102), 5 states have return successors, (102), 3 states have call predecessors, (102), 3 states have call successors, (102) Word has length 306 [2023-12-16 12:24:23,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 12:24:23,752 INFO L225 Difference]: With dead ends: 517 [2023-12-16 12:24:23,753 INFO L226 Difference]: Without dead ends: 403 [2023-12-16 12:24:23,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 614 GetRequests, 602 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2023-12-16 12:24:23,755 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 513 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 601 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-16 12:24:23,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [601 Valid, 493 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-16 12:24:23,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2023-12-16 12:24:23,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 315. [2023-12-16 12:24:23,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 168 states have (on average 1.3273809523809523) internal successors, (223), 169 states have internal predecessors, (223), 142 states have call successors, (142), 4 states have call predecessors, (142), 4 states have return successors, (142), 141 states have call predecessors, (142), 142 states have call successors, (142) [2023-12-16 12:24:23,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 507 transitions. [2023-12-16 12:24:23,810 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 507 transitions. Word has length 306 [2023-12-16 12:24:23,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 12:24:23,812 INFO L495 AbstractCegarLoop]: Abstraction has 315 states and 507 transitions. [2023-12-16 12:24:23,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 9 states have internal predecessors, (78), 3 states have call successors, (102), 3 states have call predecessors, (102), 5 states have return successors, (102), 3 states have call predecessors, (102), 3 states have call successors, (102) [2023-12-16 12:24:23,814 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 507 transitions. [2023-12-16 12:24:23,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2023-12-16 12:24:23,819 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 12:24:23,819 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:23,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-16 12:24:24,037 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 12:24:24,037 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 12:24:24,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 12:24:24,038 INFO L85 PathProgramCache]: Analyzing trace with hash -280253876, now seen corresponding path program 1 times [2023-12-16 12:24:24,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 12:24:24,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1561654624] [2023-12-16 12:24:24,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:24:24,040 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 12:24:24,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 12:24:24,041 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 12:24:24,042 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 12:24:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:24:24,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 12:24:24,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 12:24:24,365 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2023-12-16 12:24:24,365 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 12:24:24,365 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 12:24:24,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1561654624] [2023-12-16 12:24:24,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1561654624] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 12:24:24,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 12:24:24,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 12:24:24,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038599304] [2023-12-16 12:24:24,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 12:24:24,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 12:24:24,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 12:24:24,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 12:24:24,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 12:24:24,368 INFO L87 Difference]: Start difference. First operand 315 states and 507 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2023-12-16 12:24:24,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 12:24:24,444 INFO L93 Difference]: Finished difference Result 629 states and 1013 transitions. [2023-12-16 12:24:24,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 12:24:24,456 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 306 [2023-12-16 12:24:24,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 12:24:24,460 INFO L225 Difference]: With dead ends: 629 [2023-12-16 12:24:24,461 INFO L226 Difference]: Without dead ends: 315 [2023-12-16 12:24:24,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 304 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 12:24:24,463 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 180 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 12:24:24,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 180 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 12:24:24,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2023-12-16 12:24:24,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2023-12-16 12:24:24,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 168 states have (on average 1.3095238095238095) internal successors, (220), 169 states have internal predecessors, (220), 142 states have call successors, (142), 4 states have call predecessors, (142), 4 states have return successors, (142), 141 states have call predecessors, (142), 142 states have call successors, (142) [2023-12-16 12:24:24,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 504 transitions. [2023-12-16 12:24:24,507 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 504 transitions. Word has length 306 [2023-12-16 12:24:24,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 12:24:24,508 INFO L495 AbstractCegarLoop]: Abstraction has 315 states and 504 transitions. [2023-12-16 12:24:24,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2023-12-16 12:24:24,508 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 504 transitions. [2023-12-16 12:24:24,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2023-12-16 12:24:24,512 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 12:24:24,512 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:24:24,527 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 12:24:24,724 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 12:24:24,725 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 12:24:24,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 12:24:24,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1089600502, now seen corresponding path program 1 times [2023-12-16 12:24:24,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 12:24:24,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2006597184] [2023-12-16 12:24:24,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:24:24,727 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 12:24:24,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 12:24:24,728 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 12:24:24,734 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 12:24:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:24:25,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 12:24:25,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 12:24:25,760 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 1478 proven. 24 refuted. 0 times theorem prover too weak. 3598 trivial. 0 not checked. [2023-12-16 12:24:25,760 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 12:24:27,950 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 12:24:27,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2006597184] [2023-12-16 12:24:27,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2006597184] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 12:24:27,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [209818749] [2023-12-16 12:24:27,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:24:27,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-16 12:24:27,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-16 12:24:27,998 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-16 12:24:28,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-16 12:24:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:24:29,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-16 12:24:29,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-16 12:25:28,098 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 12:25:28,099 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 12:25:28,105 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 12:25:28,628 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 12:25:28,643 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 12:25:28,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-16 12:25:29,029 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=3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2023-12-16 12:25:29,030 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 307 with TraceHistMax 51,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-16-2-2-1 term,while SimplifyDDA2 was simplifying 16 xjuncts wrt. a ATOM-1 context. [2023-12-16 12:25:29,035 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-16 12:25:29,037 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 12:25:29,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 12:25:29 BoogieIcfgContainer [2023-12-16 12:25:29,039 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 12:25:29,039 INFO L158 Benchmark]: Toolchain (without parser) took 71175.31ms. Allocated memory was 442.5MB in the beginning and 531.6MB in the end (delta: 89.1MB). Free memory was 391.5MB in the beginning and 427.6MB in the end (delta: -36.1MB). Peak memory consumption was 54.0MB. Max. memory is 8.0GB. [2023-12-16 12:25:29,040 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 231.7MB. Free memory is still 178.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 12:25:29,044 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.49ms. Allocated memory is still 442.5MB. Free memory was 391.1MB in the beginning and 373.6MB in the end (delta: 17.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-16 12:25:29,045 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.77ms. Allocated memory is still 442.5MB. Free memory was 373.6MB in the beginning and 370.6MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 12:25:29,045 INFO L158 Benchmark]: Boogie Preprocessor took 82.52ms. Allocated memory is still 442.5MB. Free memory was 370.6MB in the beginning and 366.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 12:25:29,045 INFO L158 Benchmark]: RCFGBuilder took 1018.57ms. Allocated memory is still 442.5MB. Free memory was 366.4MB in the beginning and 333.2MB in the end (delta: 33.1MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. [2023-12-16 12:25:29,045 INFO L158 Benchmark]: TraceAbstraction took 69648.40ms. Allocated memory was 442.5MB in the beginning and 531.6MB in the end (delta: 89.1MB). Free memory was 408.9MB in the beginning and 427.6MB in the end (delta: -18.7MB). Peak memory consumption was 70.8MB. Max. memory is 8.0GB. [2023-12-16 12:25:29,047 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 231.7MB. Free memory is still 178.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 348.49ms. Allocated memory is still 442.5MB. Free memory was 391.1MB in the beginning and 373.6MB in the end (delta: 17.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.77ms. Allocated memory is still 442.5MB. Free memory was 373.6MB in the beginning and 370.6MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 82.52ms. Allocated memory is still 442.5MB. Free memory was 370.6MB in the beginning and 366.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1018.57ms. Allocated memory is still 442.5MB. Free memory was 366.4MB in the beginning and 333.2MB in the end (delta: 33.1MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. * TraceAbstraction took 69648.40ms. Allocated memory was 442.5MB in the beginning and 531.6MB in the end (delta: 89.1MB). Free memory was 408.9MB in the beginning and 427.6MB in the end (delta: -18.7MB). Peak memory consumption was 70.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 307 with TraceHistMax 51,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-16-2-2-1 term,while SimplifyDDA2 was simplifying 16 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 117 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 69.6s, OverallIterations: 4, TraceHistogramMax: 51, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 781 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 693 mSDsluCounter, 855 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 370 mSDsCounter, 253 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 641 IncrementalHoareTripleChecker+Invalid, 894 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 253 mSolverCounterUnsat, 485 mSDtfsCounter, 641 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1224 GetRequests, 1211 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=315occurred in iteration=2, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 88 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 918 NumberOfCodeBlocks, 918 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 1220 ConstructedInterpolants, 0 QuantifiedInterpolants, 2319 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1433 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 20352/20400 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