/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_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/xcsp/Haystacks-14.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 15:05:24,600 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 15:05:24,637 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-21 15:05:24,640 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 15:05:24,640 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 15:05:24,660 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 15:05:24,660 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 15:05:24,660 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 15:05:24,661 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 15:05:24,661 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 15:05:24,661 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 15:05:24,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 15:05:24,662 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 15:05:24,662 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 15:05:24,662 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 15:05:24,662 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 15:05:24,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 15:05:24,663 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 15:05:24,663 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-21 15:05:24,663 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 15:05:24,663 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 15:05:24,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 15:05:24,667 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 15:05:24,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 15:05:24,667 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 15:05:24,667 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 15:05:24,668 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 15:05:24,670 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 15:05:24,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 15:05:24,671 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 15:05:24,671 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 15:05:24,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 15:05:24,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 15:05:24,671 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 15:05:24,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 15:05:24,672 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 15:05:24,672 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-21 15:05:24,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-21 15:05:24,672 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 15:05:24,672 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 15:05:24,672 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 15:05:24,673 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 15:05:24,673 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 15:05:24,673 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-21 15:05:24,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 15:05:24,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 15:05:24,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 15:05:24,866 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 15:05:24,866 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 15:05:24,867 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/xcsp/Haystacks-14.c [2023-12-21 15:05:25,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 15:05:26,189 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 15:05:26,189 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Haystacks-14.c [2023-12-21 15:05:26,208 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfb1f7072/80c077ed1ebc467788bb9b1dbad1d77a/FLAG4b6b43043 [2023-12-21 15:05:26,218 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfb1f7072/80c077ed1ebc467788bb9b1dbad1d77a [2023-12-21 15:05:26,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 15:05:26,221 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 15:05:26,223 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 15:05:26,223 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 15:05:26,226 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 15:05:26,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:05:26" (1/1) ... [2023-12-21 15:05:26,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a0d3523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:26, skipping insertion in model container [2023-12-21 15:05:26,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:05:26" (1/1) ... [2023-12-21 15:05:26,321 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 15:05:26,657 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Haystacks-14.c[72386,72399] [2023-12-21 15:05:26,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 15:05:26,677 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 15:05:26,745 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Haystacks-14.c[72386,72399] [2023-12-21 15:05:26,750 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 15:05:26,758 INFO L206 MainTranslator]: Completed translation [2023-12-21 15:05:26,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:26 WrapperNode [2023-12-21 15:05:26,759 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 15:05:26,759 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 15:05:26,759 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 15:05:26,760 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 15:05:26,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:26" (1/1) ... [2023-12-21 15:05:26,784 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:26" (1/1) ... [2023-12-21 15:05:26,882 INFO L138 Inliner]: procedures = 13, calls = 1855, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2844 [2023-12-21 15:05:26,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 15:05:26,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 15:05:26,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 15:05:26,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 15:05:26,890 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:26" (1/1) ... [2023-12-21 15:05:26,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:26" (1/1) ... [2023-12-21 15:05:26,901 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:26" (1/1) ... [2023-12-21 15:05:26,923 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]. [2023-12-21 15:05:26,923 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:26" (1/1) ... [2023-12-21 15:05:26,923 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:26" (1/1) ... [2023-12-21 15:05:26,950 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:26" (1/1) ... [2023-12-21 15:05:26,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:26" (1/1) ... [2023-12-21 15:05:26,980 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:26" (1/1) ... [2023-12-21 15:05:26,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:26" (1/1) ... [2023-12-21 15:05:27,007 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 15:05:27,010 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 15:05:27,010 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 15:05:27,010 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 15:05:27,010 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:26" (1/1) ... [2023-12-21 15:05:27,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 15:05:27,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 15:05:27,066 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) [2023-12-21 15:05:27,092 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 [2023-12-21 15:05:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 15:05:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 15:05:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 15:05:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-21 15:05:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2023-12-21 15:05:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2023-12-21 15:05:27,236 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 15:05:27,237 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 15:05:28,395 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 15:05:28,431 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 15:05:28,432 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-21 15:05:28,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:05:28 BoogieIcfgContainer [2023-12-21 15:05:28,432 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 15:05:28,433 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 15:05:28,434 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 15:05:28,436 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 15:05:28,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 03:05:26" (1/3) ... [2023-12-21 15:05:28,436 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@425cdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:05:28, skipping insertion in model container [2023-12-21 15:05:28,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:26" (2/3) ... [2023-12-21 15:05:28,436 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@425cdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:05:28, skipping insertion in model container [2023-12-21 15:05:28,437 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:05:28" (3/3) ... [2023-12-21 15:05:28,437 INFO L112 eAbstractionObserver]: Analyzing ICFG Haystacks-14.c [2023-12-21 15:05:28,449 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 15:05:28,449 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-21 15:05:28,513 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 15:05:28,519 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;@43fe1f61, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 15:05:28,519 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-21 15:05:28,528 INFO L276 IsEmpty]: Start isEmpty. Operand has 2052 states, 201 states have (on average 1.0099502487562189) internal successors, (203), 202 states have internal predecessors, (203), 1848 states have call successors, (1848), 1 states have call predecessors, (1848), 1 states have return successors, (1848), 1848 states have call predecessors, (1848), 1848 states have call successors, (1848) [2023-12-21 15:05:29,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9439 [2023-12-21 15:05:29,259 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 15:05:29,263 INFO L195 NwaCegarLoop]: trace histogram [1848, 1848, 1848, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 15:05:29,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 15:05:29,269 INFO L85 PathProgramCache]: Analyzing trace with hash -164329635, now seen corresponding path program 1 times [2023-12-21 15:05:29,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 15:05:29,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954271129] [2023-12-21 15:05:29,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 15:05:29,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 15:05:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 15:05:30,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 15:05:30,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954271129] [2023-12-21 15:05:30,588 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-21 15:05:30,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714442064] [2023-12-21 15:05:30,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 15:05:30,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 15:05:30,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 15:05:30,592 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 15:05:30,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-21 15:05:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 15:05:33,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 17050 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-21 15:05:33,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 15:05:33,698 INFO L134 CoverageAnalysis]: Checked inductivity of 6826512 backedges. 3694 proven. 0 refuted. 0 times theorem prover too weak. 6822818 trivial. 0 not checked. [2023-12-21 15:05:33,699 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 15:05:33,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [714442064] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 15:05:33,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 15:05:33,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-21 15:05:33,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943025358] [2023-12-21 15:05:33,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 15:05:33,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-21 15:05:33,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 15:05:33,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-21 15:05:33,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 15:05:33,774 INFO L87 Difference]: Start difference. First operand has 2052 states, 201 states have (on average 1.0099502487562189) internal successors, (203), 202 states have internal predecessors, (203), 1848 states have call successors, (1848), 1 states have call predecessors, (1848), 1 states have return successors, (1848), 1848 states have call predecessors, (1848), 1848 states have call successors, (1848) Second operand has 2 states, 2 states have (on average 101.5) internal successors, (203), 2 states have internal predecessors, (203), 2 states have call successors, (1848), 2 states have call predecessors, (1848), 1 states have return successors, (1848), 1 states have call predecessors, (1848), 2 states have call successors, (1848) [2023-12-21 15:05:33,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 15:05:33,955 INFO L93 Difference]: Finished difference Result 4101 states and 9643 transitions. [2023-12-21 15:05:33,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-21 15:05:33,959 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 101.5) internal successors, (203), 2 states have internal predecessors, (203), 2 states have call successors, (1848), 2 states have call predecessors, (1848), 1 states have return successors, (1848), 1 states have call predecessors, (1848), 2 states have call successors, (1848) Word has length 9438 [2023-12-21 15:05:33,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 15:05:33,982 INFO L225 Difference]: With dead ends: 4101 [2023-12-21 15:05:33,982 INFO L226 Difference]: Without dead ends: 2051 [2023-12-21 15:05:34,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9437 GetRequests, 9437 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 15:05:34,003 INFO L413 NwaCegarLoop]: 3896 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3896 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 15:05:34,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3896 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 15:05:34,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2051 states. [2023-12-21 15:05:35,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2051 to 2051. [2023-12-21 15:05:35,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2051 states, 201 states have (on average 1.0) internal successors, (201), 201 states have internal predecessors, (201), 1848 states have call successors, (1848), 1 states have call predecessors, (1848), 1 states have return successors, (1848), 1848 states have call predecessors, (1848), 1848 states have call successors, (1848) [2023-12-21 15:05:35,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2051 states to 2051 states and 3897 transitions. [2023-12-21 15:05:35,620 INFO L78 Accepts]: Start accepts. Automaton has 2051 states and 3897 transitions. Word has length 9438 [2023-12-21 15:05:35,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 15:05:35,621 INFO L495 AbstractCegarLoop]: Abstraction has 2051 states and 3897 transitions. [2023-12-21 15:05:35,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 101.5) internal successors, (203), 2 states have internal predecessors, (203), 2 states have call successors, (1848), 2 states have call predecessors, (1848), 1 states have return successors, (1848), 1 states have call predecessors, (1848), 2 states have call successors, (1848) [2023-12-21 15:05:35,624 INFO L276 IsEmpty]: Start isEmpty. Operand 2051 states and 3897 transitions. [2023-12-21 15:05:36,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9439 [2023-12-21 15:05:36,235 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 15:05:36,249 INFO L195 NwaCegarLoop]: trace histogram [1848, 1848, 1848, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 15:05:36,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-21 15:05:36,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-21 15:05:36,467 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 15:05:36,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 15:05:36,469 INFO L85 PathProgramCache]: Analyzing trace with hash -339515043, now seen corresponding path program 1 times [2023-12-21 15:05:36,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 15:05:36,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681140156] [2023-12-21 15:05:36,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 15:05:36,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 15:05:36,887 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 15:05:36,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [471349865] [2023-12-21 15:05:36,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 15:05:36,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 15:05:36,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 15:05:36,889 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 15:05:36,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process Received shutdown request... [2023-12-21 15:20:12,680 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 [2023-12-21 15:20:12,703 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-21 15:20:13,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 [2023-12-21 15:20:13,903 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forcibly destroying the process [2023-12-21 15:20:13,922 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 137 [2023-12-21 15:20:13,923 ERROR L246 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user [2023-12-21 15:20:13,927 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-21 15:20:13,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-21 15:20:13,927 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 9439 with TraceHistMax 1848,while AutomatonFreeRefinementEngine was Timeout during CAMEL. [2023-12-21 15:20:13,930 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-21 15:20:13,932 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-21 15:20:13,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 03:20:13 BoogieIcfgContainer [2023-12-21 15:20:13,934 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-21 15:20:13,934 INFO L158 Benchmark]: Toolchain (without parser) took 887712.79ms. Allocated memory was 225.4MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 151.6MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. [2023-12-21 15:20:13,934 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 225.4MB. Free memory is still 173.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 15:20:13,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.07ms. Allocated memory was 225.4MB in the beginning and 270.5MB in the end (delta: 45.1MB). Free memory was 151.3MB in the beginning and 176.5MB in the end (delta: -25.1MB). Peak memory consumption was 20.4MB. Max. memory is 8.0GB. [2023-12-21 15:20:13,935 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.69ms. Allocated memory is still 270.5MB. Free memory was 175.9MB in the beginning and 218.6MB in the end (delta: -42.6MB). Peak memory consumption was 20.3MB. Max. memory is 8.0GB. [2023-12-21 15:20:13,935 INFO L158 Benchmark]: Boogie Preprocessor took 125.20ms. Allocated memory is still 270.5MB. Free memory was 218.6MB in the beginning and 209.1MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-12-21 15:20:13,936 INFO L158 Benchmark]: RCFGBuilder took 1422.43ms. Allocated memory was 270.5MB in the beginning and 475.0MB in the end (delta: 204.5MB). Free memory was 209.1MB in the beginning and 390.9MB in the end (delta: -181.8MB). Peak memory consumption was 96.6MB. Max. memory is 8.0GB. [2023-12-21 15:20:13,946 INFO L158 Benchmark]: TraceAbstraction took 885500.18ms. Allocated memory was 475.0MB in the beginning and 1.5GB in the end (delta: 1.0GB). Free memory was 390.4MB in the beginning and 1.2GB in the end (delta: -772.3MB). Peak memory consumption was 992.5MB. Max. memory is 8.0GB. [2023-12-21 15:20:13,956 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 225.4MB. Free memory is still 173.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 536.07ms. Allocated memory was 225.4MB in the beginning and 270.5MB in the end (delta: 45.1MB). Free memory was 151.3MB in the beginning and 176.5MB in the end (delta: -25.1MB). Peak memory consumption was 20.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 122.69ms. Allocated memory is still 270.5MB. Free memory was 175.9MB in the beginning and 218.6MB in the end (delta: -42.6MB). Peak memory consumption was 20.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 125.20ms. Allocated memory is still 270.5MB. Free memory was 218.6MB in the beginning and 209.1MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * RCFGBuilder took 1422.43ms. Allocated memory was 270.5MB in the beginning and 475.0MB in the end (delta: 204.5MB). Free memory was 209.1MB in the beginning and 390.9MB in the end (delta: -181.8MB). Peak memory consumption was 96.6MB. Max. memory is 8.0GB. * TraceAbstraction took 885500.18ms. Allocated memory was 475.0MB in the beginning and 1.5GB in the end (delta: 1.0GB). Free memory was 390.4MB in the beginning and 1.2GB in the end (delta: -772.3MB). Peak memory consumption was 992.5MB. 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: 2266]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 2266). Cancelled while NwaCegarLoop was analyzing trace of length 9439 with TraceHistMax 1848,while AutomatonFreeRefinementEngine was Timeout during CAMEL. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 2052 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 885.5s, OverallIterations: 2, TraceHistogramMax: 1848, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.4s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 3896 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1 IncrementalHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 3896 mSDtfsCounter, 1 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9437 GetRequests, 9437 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2052occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 18876 NumberOfCodeBlocks, 18876 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9437 ConstructedInterpolants, 0 QuantifiedInterpolants, 9437 SizeOfPredicates, 0 NumberOfNonLiveVariables, 17050 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 6826512/6826512 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