/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_fillercodesize_ps-cn-100_file-30.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 10:45:24,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 10:45:24,619 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 10:45:24,623 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 10:45:24,623 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 10:45:24,652 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 10:45:24,652 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 10:45:24,653 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 10:45:24,653 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 10:45:24,656 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 10:45:24,657 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 10:45:24,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 10:45:24,658 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 10:45:24,659 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 10:45:24,659 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 10:45:24,659 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 10:45:24,659 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 10:45:24,660 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 10:45:24,660 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 10:45:24,660 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 10:45:24,660 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 10:45:24,660 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 10:45:24,661 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 10:45:24,661 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 10:45:24,661 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 10:45:24,661 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 10:45:24,661 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 10:45:24,661 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 10:45:24,661 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 10:45:24,662 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 10:45:24,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 10:45:24,663 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 10:45:24,663 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 10:45:24,663 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 10:45:24,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 10:45:24,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 10:45:24,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 10:45:24,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 10:45:24,663 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 10:45:24,664 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 10:45:24,664 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 10:45:24,664 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 10:45:24,664 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 10:45:24,664 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 10:45:24,665 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 10:45:24,665 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 10:45:24,665 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 10:45:24,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 10:45:24,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 10:45:24,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 10:45:24,893 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 10:45:24,893 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 10:45:24,894 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-30.i [2023-12-16 10:45:25,943 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 10:45:26,079 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 10:45:26,080 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-30.i [2023-12-16 10:45:26,086 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f80ac42e/cdf0442ab7064247acdc085d8b65afe8/FLAGa33e1c934 [2023-12-16 10:45:26,095 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f80ac42e/cdf0442ab7064247acdc085d8b65afe8 [2023-12-16 10:45:26,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 10:45:26,097 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 10:45:26,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 10:45:26,099 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 10:45:26,103 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 10:45:26,103 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 10:45:26" (1/1) ... [2023-12-16 10:45:26,104 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@718a993a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:45:26, skipping insertion in model container [2023-12-16 10:45:26,104 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 10:45:26" (1/1) ... [2023-12-16 10:45:26,127 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 10:45:26,228 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_fillercodesize_ps-cn-100_file-30.i[916,929] [2023-12-16 10:45:26,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 10:45:26,327 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 10:45:26,337 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_fillercodesize_ps-cn-100_file-30.i[916,929] [2023-12-16 10:45:26,373 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 10:45:26,387 INFO L206 MainTranslator]: Completed translation [2023-12-16 10:45:26,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:45:26 WrapperNode [2023-12-16 10:45:26,388 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 10:45:26,388 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 10:45:26,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 10:45:26,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 10:45:26,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:45:26" (1/1) ... [2023-12-16 10:45:26,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:45:26" (1/1) ... [2023-12-16 10:45:26,444 INFO L138 Inliner]: procedures = 27, calls = 58, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 280 [2023-12-16 10:45:26,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 10:45:26,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 10:45:26,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 10:45:26,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 10:45:26,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:45:26" (1/1) ... [2023-12-16 10:45:26,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:45:26" (1/1) ... [2023-12-16 10:45:26,460 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:45:26" (1/1) ... [2023-12-16 10:45:26,479 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 10:45:26,479 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:45:26" (1/1) ... [2023-12-16 10:45:26,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:45:26" (1/1) ... [2023-12-16 10:45:26,501 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:45:26" (1/1) ... [2023-12-16 10:45:26,504 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:45:26" (1/1) ... [2023-12-16 10:45:26,507 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:45:26" (1/1) ... [2023-12-16 10:45:26,509 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:45:26" (1/1) ... [2023-12-16 10:45:26,521 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 10:45:26,522 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 10:45:26,523 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 10:45:26,523 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 10:45:26,524 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:45:26" (1/1) ... [2023-12-16 10:45:26,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 10:45:26,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 10:45:26,578 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 10:45:26,614 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 10:45:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 10:45:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 10:45:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 10:45:26,641 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 10:45:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 10:45:26,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 10:45:26,728 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 10:45:26,730 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 10:45:52,784 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 10:45:52,829 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 10:45:52,829 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 10:45:52,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 10:45:52 BoogieIcfgContainer [2023-12-16 10:45:52,830 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 10:45:52,832 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 10:45:52,832 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 10:45:52,834 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 10:45:52,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 10:45:26" (1/3) ... [2023-12-16 10:45:52,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24936804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 10:45:52, skipping insertion in model container [2023-12-16 10:45:52,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:45:26" (2/3) ... [2023-12-16 10:45:52,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24936804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 10:45:52, skipping insertion in model container [2023-12-16 10:45:52,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 10:45:52" (3/3) ... [2023-12-16 10:45:52,836 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-30.i [2023-12-16 10:45:52,848 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 10:45:52,848 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 10:45:52,886 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 10:45:52,891 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;@67aec135, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 10:45:52,891 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 10:45:52,895 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 69 states have (on average 1.4492753623188406) internal successors, (100), 70 states have internal predecessors, (100), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-12-16 10:45:52,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2023-12-16 10:45:52,909 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 10:45:52,910 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:45:52,910 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 10:45:52,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 10:45:52,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1255338108, now seen corresponding path program 1 times [2023-12-16 10:45:52,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 10:45:52,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [120411092] [2023-12-16 10:45:52,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 10:45:52,925 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 10:45:52,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 10:45:52,943 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 10:45:52,977 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 10:45:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 10:45:54,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-16 10:45:54,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 10:45:58,352 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 2120 proven. 135 refuted. 0 times theorem prover too weak. 1705 trivial. 0 not checked. [2023-12-16 10:45:58,352 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 10:46:02,145 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 123 proven. 138 refuted. 0 times theorem prover too weak. 3699 trivial. 0 not checked. [2023-12-16 10:46:02,147 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 10:46:02,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [120411092] [2023-12-16 10:46:02,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [120411092] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 10:46:02,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 10:46:02,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2023-12-16 10:46:02,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045861444] [2023-12-16 10:46:02,150 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 10:46:02,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-16 10:46:02,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 10:46:02,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-16 10:46:02,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2023-12-16 10:46:02,198 INFO L87 Difference]: Start difference. First operand has 117 states, 69 states have (on average 1.4492753623188406) internal successors, (100), 70 states have internal predecessors, (100), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) Second operand has 18 states, 18 states have (on average 5.222222222222222) internal successors, (94), 18 states have internal predecessors, (94), 5 states have call successors, (69), 3 states have call predecessors, (69), 7 states have return successors, (70), 5 states have call predecessors, (70), 5 states have call successors, (70) [2023-12-16 10:46:15,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 10:46:19,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 10:46:23,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 10:46:27,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 10:46:31,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.84s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 10:46:36,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 10:46:36,104 INFO L93 Difference]: Finished difference Result 428 states and 797 transitions. [2023-12-16 10:46:36,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-16 10:46:36,107 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.222222222222222) internal successors, (94), 18 states have internal predecessors, (94), 5 states have call successors, (69), 3 states have call predecessors, (69), 7 states have return successors, (70), 5 states have call predecessors, (70), 5 states have call successors, (70) Word has length 279 [2023-12-16 10:46:36,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 10:46:36,128 INFO L225 Difference]: With dead ends: 428 [2023-12-16 10:46:36,128 INFO L226 Difference]: Without dead ends: 312 [2023-12-16 10:46:36,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 575 GetRequests, 542 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=392, Invalid=798, Unknown=0, NotChecked=0, Total=1190 [2023-12-16 10:46:36,134 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 503 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 1105 mSolverCounterSat, 307 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 1416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 1105 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.6s IncrementalHoareTripleChecker+Time [2023-12-16 10:46:36,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 940 Invalid, 1416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 1105 Invalid, 4 Unknown, 0 Unchecked, 31.6s Time] [2023-12-16 10:46:36,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2023-12-16 10:46:36,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 193. [2023-12-16 10:46:36,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 123 states have (on average 1.4146341463414633) internal successors, (174), 124 states have internal predecessors, (174), 65 states have call successors, (65), 4 states have call predecessors, (65), 4 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2023-12-16 10:46:36,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 304 transitions. [2023-12-16 10:46:36,213 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 304 transitions. Word has length 279 [2023-12-16 10:46:36,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 10:46:36,215 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 304 transitions. [2023-12-16 10:46:36,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.222222222222222) internal successors, (94), 18 states have internal predecessors, (94), 5 states have call successors, (69), 3 states have call predecessors, (69), 7 states have return successors, (70), 5 states have call predecessors, (70), 5 states have call successors, (70) [2023-12-16 10:46:36,216 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 304 transitions. [2023-12-16 10:46:36,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2023-12-16 10:46:36,246 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 10:46:36,246 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:46:36,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-16 10:46:36,446 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 10:46:36,447 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 10:46:36,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 10:46:36,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1389351614, now seen corresponding path program 1 times [2023-12-16 10:46:36,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 10:46:36,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [396985195] [2023-12-16 10:46:36,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 10:46:36,449 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 10:46:36,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 10:46:36,451 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 10:46:36,452 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 10:46:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 10:46:37,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-16 10:46:37,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-16 10:46:41,282 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 10:46:41,313 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 10:46:41,319 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 10:46:41,320 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 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 10:46:41,483 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 10:46:41,484 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 280 with TraceHistMax 45,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ATOM-1 context. [2023-12-16 10:46:41,488 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-16 10:46:41,490 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 10:46:41,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 10:46:41 BoogieIcfgContainer [2023-12-16 10:46:41,492 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 10:46:41,492 INFO L158 Benchmark]: Toolchain (without parser) took 75394.93ms. Allocated memory is still 291.5MB. Free memory was 239.7MB in the beginning and 132.6MB in the end (delta: 107.2MB). Peak memory consumption was 108.2MB. Max. memory is 8.0GB. [2023-12-16 10:46:41,492 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 185.6MB. Free memory is still 136.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 10:46:41,493 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.53ms. Allocated memory is still 291.5MB. Free memory was 239.4MB in the beginning and 220.9MB in the end (delta: 18.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-16 10:46:41,493 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.55ms. Allocated memory is still 291.5MB. Free memory was 220.5MB in the beginning and 217.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 10:46:41,493 INFO L158 Benchmark]: Boogie Preprocessor took 75.78ms. Allocated memory is still 291.5MB. Free memory was 217.4MB in the beginning and 212.9MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 10:46:41,494 INFO L158 Benchmark]: RCFGBuilder took 26307.62ms. Allocated memory is still 291.5MB. Free memory was 212.9MB in the beginning and 241.1MB in the end (delta: -28.3MB). Peak memory consumption was 24.8MB. Max. memory is 8.0GB. [2023-12-16 10:46:41,494 INFO L158 Benchmark]: TraceAbstraction took 48659.75ms. Allocated memory is still 291.5MB. Free memory was 240.6MB in the beginning and 132.6MB in the end (delta: 108.0MB). Peak memory consumption was 107.5MB. Max. memory is 8.0GB. [2023-12-16 10:46:41,496 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 185.6MB. Free memory is still 136.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 288.53ms. Allocated memory is still 291.5MB. Free memory was 239.4MB in the beginning and 220.9MB in the end (delta: 18.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.55ms. Allocated memory is still 291.5MB. Free memory was 220.5MB in the beginning and 217.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 75.78ms. Allocated memory is still 291.5MB. Free memory was 217.4MB in the beginning and 212.9MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 26307.62ms. Allocated memory is still 291.5MB. Free memory was 212.9MB in the beginning and 241.1MB in the end (delta: -28.3MB). Peak memory consumption was 24.8MB. Max. memory is 8.0GB. * TraceAbstraction took 48659.75ms. Allocated memory is still 291.5MB. Free memory was 240.6MB in the beginning and 132.6MB in the end (delta: 108.0MB). Peak memory consumption was 107.5MB. 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: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 280 with TraceHistMax 45,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 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: 48.6s, OverallIterations: 2, TraceHistogramMax: 45, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 34.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 523 SdHoareTripleChecker+Valid, 31.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 503 mSDsluCounter, 940 SdHoareTripleChecker+Invalid, 30.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 748 mSDsCounter, 307 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1105 IncrementalHoareTripleChecker+Invalid, 1416 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 307 mSolverCounterUnsat, 192 mSDtfsCounter, 1105 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 575 GetRequests, 542 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=193occurred in iteration=1, InterpolantAutomatonStates: 25, 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, 1 MinimizatonAttempts, 119 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 279 NumberOfCodeBlocks, 279 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 556 ConstructedInterpolants, 0 QuantifiedInterpolants, 2742 SizeOfPredicates, 8 NumberOfNonLiveVariables, 450 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 2 InterpolantComputations, 0 PerfectInterpolantSequences, 7647/7920 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