/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-16.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 15:05:44,790 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 15:05:44,858 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 15:05:44,862 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 15:05:44,862 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 15:05:44,881 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 15:05:44,882 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 15:05:44,882 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 15:05:44,882 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 15:05:44,885 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 15:05:44,885 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 15:05:44,886 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 15:05:44,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 15:05:44,887 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 15:05:44,887 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 15:05:44,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 15:05:44,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 15:05:44,887 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 15:05:44,888 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-21 15:05:44,888 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 15:05:44,888 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 15:05:44,888 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 15:05:44,889 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 15:05:44,889 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 15:05:44,890 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 15:05:44,890 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 15:05:44,890 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 15:05:44,890 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 15:05:44,890 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 15:05:44,891 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 15:05:44,891 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 15:05:44,891 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 15:05:44,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 15:05:44,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 15:05:44,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 15:05:44,892 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 15:05:44,892 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-21 15:05:44,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-21 15:05:44,892 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 15:05:44,892 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 15:05:44,892 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 15:05:44,893 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 15:05:44,893 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 15:05:44,893 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-21 15:05:45,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 15:05:45,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 15:05:45,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 15:05:45,056 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 15:05:45,057 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 15:05:45,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/xcsp/Haystacks-16.c [2023-12-21 15:05:45,982 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 15:05:46,213 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 15:05:46,213 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/xcsp/Haystacks-16.c [2023-12-21 15:05:46,226 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/632b403da/7b57ad50403d4e7b86a2bebfbb096f98/FLAG0bdf4c8ad [2023-12-21 15:05:46,242 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/632b403da/7b57ad50403d4e7b86a2bebfbb096f98 [2023-12-21 15:05:46,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 15:05:46,244 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 15:05:46,246 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 15:05:46,246 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 15:05:46,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 15:05:46,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:05:46" (1/1) ... [2023-12-21 15:05:46,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35594902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:46, skipping insertion in model container [2023-12-21 15:05:46,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:05:46" (1/1) ... [2023-12-21 15:05:46,297 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 15:05:46,680 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-16.c[105300,105313] [2023-12-21 15:05:46,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 15:05:46,709 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 15:05:46,821 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-16.c[105300,105313] [2023-12-21 15:05:46,825 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 15:05:46,834 INFO L206 MainTranslator]: Completed translation [2023-12-21 15:05:46,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:46 WrapperNode [2023-12-21 15:05:46,835 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 15:05:46,836 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 15:05:46,836 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 15:05:46,836 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 15:05:46,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:46" (1/1) ... [2023-12-21 15:05:46,872 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:46" (1/1) ... [2023-12-21 15:05:46,974 INFO L138 Inliner]: procedures = 13, calls = 2679, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3968 [2023-12-21 15:05:46,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 15:05:46,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 15:05:46,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 15:05:46,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 15:05:46,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:46" (1/1) ... [2023-12-21 15:05:46,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:46" (1/1) ... [2023-12-21 15:05:46,993 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:46" (1/1) ... [2023-12-21 15:05:47,043 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 15:05:47,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:46" (1/1) ... [2023-12-21 15:05:47,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:46" (1/1) ... [2023-12-21 15:05:47,081 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:46" (1/1) ... [2023-12-21 15:05:47,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:46" (1/1) ... [2023-12-21 15:05:47,096 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:46" (1/1) ... [2023-12-21 15:05:47,105 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:46" (1/1) ... [2023-12-21 15:05:47,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 15:05:47,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 15:05:47,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 15:05:47,121 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 15:05:47,122 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:46" (1/1) ... [2023-12-21 15:05:47,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 15:05:47,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 15:05:47,141 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 15:05:47,161 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 15:05:47,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 15:05:47,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 15:05:47,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 15:05:47,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-21 15:05:47,166 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2023-12-21 15:05:47,166 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2023-12-21 15:05:47,301 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 15:05:47,302 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 15:05:48,871 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 15:05:48,922 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 15:05:48,922 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-21 15:05:48,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:05:48 BoogieIcfgContainer [2023-12-21 15:05:48,923 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 15:05:48,924 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 15:05:48,924 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 15:05:48,926 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 15:05:48,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 03:05:46" (1/3) ... [2023-12-21 15:05:48,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1badc904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:05:48, skipping insertion in model container [2023-12-21 15:05:48,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:05:46" (2/3) ... [2023-12-21 15:05:48,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1badc904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:05:48, skipping insertion in model container [2023-12-21 15:05:48,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:05:48" (3/3) ... [2023-12-21 15:05:48,928 INFO L112 eAbstractionObserver]: Analyzing ICFG Haystacks-16.c [2023-12-21 15:05:48,939 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 15:05:48,939 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-21 15:05:49,019 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 15:05:49,026 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;@301adfdb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 15:05:49,026 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-21 15:05:49,037 INFO L276 IsEmpty]: Start isEmpty. Operand has 2936 states, 261 states have (on average 1.0076628352490422) internal successors, (263), 262 states have internal predecessors, (263), 2672 states have call successors, (2672), 1 states have call predecessors, (2672), 1 states have return successors, (2672), 2672 states have call predecessors, (2672), 2672 states have call successors, (2672) [2023-12-21 15:05:50,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13619 [2023-12-21 15:05:50,235 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 15:05:50,240 INFO L195 NwaCegarLoop]: trace histogram [2672, 2672, 2672, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2023-12-21 15:05:50,240 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 15:05:50,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 15:05:50,246 INFO L85 PathProgramCache]: Analyzing trace with hash -2035503725, now seen corresponding path program 1 times [2023-12-21 15:05:50,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 15:05:50,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534329111] [2023-12-21 15:05:50,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 15:05:50,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 15:05:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 15:05:51,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 15:05:51,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534329111] [2023-12-21 15:05:51,570 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-21 15:05:51,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2302886] [2023-12-21 15:05:51,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 15:05:51,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 15:05:51,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 15:05:51,574 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 15:05:51,601 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 15:05:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 15:05:54,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 24586 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-21 15:05:54,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 15:05:55,751 INFO L134 CoverageAnalysis]: Checked inductivity of 14273824 backedges. 5342 proven. 0 refuted. 0 times theorem prover too weak. 14268482 trivial. 0 not checked. [2023-12-21 15:05:55,751 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 15:05:55,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2302886] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 15:05:55,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 15:05:55,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-21 15:05:55,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35497100] [2023-12-21 15:05:55,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 15:05:55,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-21 15:05:55,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 15:05:55,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-21 15:05:55,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 15:05:55,812 INFO L87 Difference]: Start difference. First operand has 2936 states, 261 states have (on average 1.0076628352490422) internal successors, (263), 262 states have internal predecessors, (263), 2672 states have call successors, (2672), 1 states have call predecessors, (2672), 1 states have return successors, (2672), 2672 states have call predecessors, (2672), 2672 states have call successors, (2672) Second operand has 2 states, 2 states have (on average 131.5) internal successors, (263), 2 states have internal predecessors, (263), 2 states have call successors, (2672), 2 states have call predecessors, (2672), 1 states have return successors, (2672), 1 states have call predecessors, (2672), 2 states have call successors, (2672) [2023-12-21 15:05:56,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 15:05:56,007 INFO L93 Difference]: Finished difference Result 5869 states and 13883 transitions. [2023-12-21 15:05:56,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-21 15:05:56,021 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 131.5) internal successors, (263), 2 states have internal predecessors, (263), 2 states have call successors, (2672), 2 states have call predecessors, (2672), 1 states have return successors, (2672), 1 states have call predecessors, (2672), 2 states have call successors, (2672) Word has length 13618 [2023-12-21 15:05:56,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 15:05:56,056 INFO L225 Difference]: With dead ends: 5869 [2023-12-21 15:05:56,057 INFO L226 Difference]: Without dead ends: 2935 [2023-12-21 15:05:56,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13617 GetRequests, 13617 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 15:05:56,088 INFO L413 NwaCegarLoop]: 5604 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, 5604 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 15:05:56,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5604 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 15:05:56,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2935 states. [2023-12-21 15:05:58,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2935 to 2935. [2023-12-21 15:05:58,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2935 states, 261 states have (on average 1.0) internal successors, (261), 261 states have internal predecessors, (261), 2672 states have call successors, (2672), 1 states have call predecessors, (2672), 1 states have return successors, (2672), 2672 states have call predecessors, (2672), 2672 states have call successors, (2672) [2023-12-21 15:05:58,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2935 states to 2935 states and 5605 transitions. [2023-12-21 15:05:58,942 INFO L78 Accepts]: Start accepts. Automaton has 2935 states and 5605 transitions. Word has length 13618 [2023-12-21 15:05:58,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 15:05:58,944 INFO L495 AbstractCegarLoop]: Abstraction has 2935 states and 5605 transitions. [2023-12-21 15:05:58,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 131.5) internal successors, (263), 2 states have internal predecessors, (263), 2 states have call successors, (2672), 2 states have call predecessors, (2672), 1 states have return successors, (2672), 1 states have call predecessors, (2672), 2 states have call successors, (2672) [2023-12-21 15:05:58,946 INFO L276 IsEmpty]: Start isEmpty. Operand 2935 states and 5605 transitions. [2023-12-21 15:06:00,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13619 [2023-12-21 15:06:00,043 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 15:06:00,047 INFO L195 NwaCegarLoop]: trace histogram [2672, 2672, 2672, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2023-12-21 15:06:00,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-21 15:06:00,248 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 15:06:00,248 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 15:06:00,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 15:06:00,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1417766803, now seen corresponding path program 1 times [2023-12-21 15:06:00,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 15:06:00,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014205250] [2023-12-21 15:06:00,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 15:06:00,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 15:06:00,658 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 15:06:00,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1827403121] [2023-12-21 15:06:00,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 15:06:00,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 15:06:00,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 15:06:00,661 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 15:06:00,670 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 15:20:29,441 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 15:20:29,441 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 15:20:30,450 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 15:20:30,647 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 15:20:30,669 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 15:20:30,669 ERROR L246 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user [2023-12-21 15:20:30,674 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-21 15:20:30,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-21 15:20:30,677 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 13619 with TraceHistMax 2672,while AutomatonFreeRefinementEngine was Timeout during CAMEL. [2023-12-21 15:20:30,680 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-21 15:20:30,682 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-21 15:20:30,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 03:20:30 BoogieIcfgContainer [2023-12-21 15:20:30,684 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-21 15:20:30,684 INFO L158 Benchmark]: Toolchain (without parser) took 884439.68ms. Allocated memory was 330.3MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 279.6MB in the beginning and 888.3MB in the end (delta: -608.7MB). Peak memory consumption was 778.6MB. Max. memory is 8.0GB. [2023-12-21 15:20:30,684 INFO L158 Benchmark]: CDTParser took 1.07ms. Allocated memory is still 247.5MB. Free memory is still 197.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 15:20:30,685 INFO L158 Benchmark]: CACSL2BoogieTranslator took 588.80ms. Allocated memory is still 330.3MB. Free memory was 279.3MB in the beginning and 242.2MB in the end (delta: 37.2MB). Peak memory consumption was 49.3MB. Max. memory is 8.0GB. [2023-12-21 15:20:30,685 INFO L158 Benchmark]: Boogie Procedure Inliner took 139.10ms. Allocated memory is still 330.3MB. Free memory was 242.2MB in the beginning and 216.6MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-12-21 15:20:30,685 INFO L158 Benchmark]: Boogie Preprocessor took 144.91ms. Allocated memory is still 330.3MB. Free memory was 216.6MB in the beginning and 204.3MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-21 15:20:30,686 INFO L158 Benchmark]: RCFGBuilder took 1801.89ms. Allocated memory was 330.3MB in the beginning and 558.9MB in the end (delta: 228.6MB). Free memory was 204.3MB in the beginning and 421.3MB in the end (delta: -217.0MB). Peak memory consumption was 74.2MB. Max. memory is 8.0GB. [2023-12-21 15:20:30,686 INFO L158 Benchmark]: TraceAbstraction took 881759.73ms. Allocated memory was 558.9MB in the beginning and 1.7GB in the end (delta: 1.2GB). Free memory was 420.8MB in the beginning and 888.3MB in the end (delta: -467.5MB). Peak memory consumption was 689.6MB. Max. memory is 8.0GB. [2023-12-21 15:20:30,688 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.07ms. Allocated memory is still 247.5MB. Free memory is still 197.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 588.80ms. Allocated memory is still 330.3MB. Free memory was 279.3MB in the beginning and 242.2MB in the end (delta: 37.2MB). Peak memory consumption was 49.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 139.10ms. Allocated memory is still 330.3MB. Free memory was 242.2MB in the beginning and 216.6MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 144.91ms. Allocated memory is still 330.3MB. Free memory was 216.6MB in the beginning and 204.3MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * RCFGBuilder took 1801.89ms. Allocated memory was 330.3MB in the beginning and 558.9MB in the end (delta: 228.6MB). Free memory was 204.3MB in the beginning and 421.3MB in the end (delta: -217.0MB). Peak memory consumption was 74.2MB. Max. memory is 8.0GB. * TraceAbstraction took 881759.73ms. Allocated memory was 558.9MB in the beginning and 1.7GB in the end (delta: 1.2GB). Free memory was 420.8MB in the beginning and 888.3MB in the end (delta: -467.5MB). Peak memory consumption was 689.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 3210]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 3210). Cancelled while NwaCegarLoop was analyzing trace of length 13619 with TraceHistMax 2672,while AutomatonFreeRefinementEngine was Timeout during CAMEL. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 2936 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 881.7s, OverallIterations: 2, TraceHistogramMax: 2672, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.3s, 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, 5604 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, 5604 mSDtfsCounter, 1 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13617 GetRequests, 13617 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2936occurred 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: 2.8s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 27236 NumberOfCodeBlocks, 27236 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13617 ConstructedInterpolants, 0 QuantifiedInterpolants, 13617 SizeOfPredicates, 0 NumberOfNonLiveVariables, 24586 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 14273824/14273824 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