/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-50_file-48.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 11:33:57,620 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 11:33:57,687 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 11:33:57,691 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 11:33:57,691 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 11:33:57,710 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 11:33:57,710 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 11:33:57,711 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 11:33:57,711 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 11:33:57,714 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 11:33:57,714 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 11:33:57,715 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 11:33:57,715 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 11:33:57,716 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 11:33:57,716 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 11:33:57,717 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 11:33:57,717 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 11:33:57,717 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 11:33:57,717 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 11:33:57,717 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 11:33:57,718 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 11:33:57,718 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 11:33:57,718 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 11:33:57,718 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 11:33:57,718 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 11:33:57,719 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 11:33:57,719 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 11:33:57,719 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 11:33:57,719 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 11:33:57,719 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 11:33:57,720 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 11:33:57,720 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 11:33:57,720 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 11:33:57,720 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 11:33:57,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 11:33:57,721 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 11:33:57,721 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 11:33:57,721 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 11:33:57,721 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 11:33:57,721 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 11:33:57,721 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 11:33:57,721 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 11:33:57,721 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 11:33:57,722 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 11:33:57,722 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 11:33:57,722 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 11:33:57,722 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 11:33:57,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 11:33:57,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 11:33:57,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 11:33:57,925 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 11:33:57,926 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 11:33:57,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-48.i [2023-12-16 11:33:59,003 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 11:33:59,204 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 11:33:59,205 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-48.i [2023-12-16 11:33:59,217 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4df6ae701/21f95ab6f3634170a1454f7aa94ec862/FLAGe9ad8aae2 [2023-12-16 11:33:59,232 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4df6ae701/21f95ab6f3634170a1454f7aa94ec862 [2023-12-16 11:33:59,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 11:33:59,236 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 11:33:59,238 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 11:33:59,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 11:33:59,242 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 11:33:59,243 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 11:33:59" (1/1) ... [2023-12-16 11:33:59,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67cfe1e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:33:59, skipping insertion in model container [2023-12-16 11:33:59,244 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 11:33:59" (1/1) ... [2023-12-16 11:33:59,275 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 11:33:59,395 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-50_file-48.i[915,928] [2023-12-16 11:33:59,445 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 11:33:59,465 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 11:33:59,480 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-50_file-48.i[915,928] [2023-12-16 11:33:59,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 11:33:59,548 INFO L206 MainTranslator]: Completed translation [2023-12-16 11:33:59,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:33:59 WrapperNode [2023-12-16 11:33:59,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 11:33:59,549 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 11:33:59,549 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 11:33:59,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 11:33:59,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:33:59" (1/1) ... [2023-12-16 11:33:59,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:33:59" (1/1) ... [2023-12-16 11:33:59,599 INFO L138 Inliner]: procedures = 27, calls = 58, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 262 [2023-12-16 11:33:59,599 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 11:33:59,600 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 11:33:59,600 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 11:33:59,600 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 11:33:59,608 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:33:59" (1/1) ... [2023-12-16 11:33:59,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:33:59" (1/1) ... [2023-12-16 11:33:59,612 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:33:59" (1/1) ... [2023-12-16 11:33:59,627 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 11:33:59,627 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:33:59" (1/1) ... [2023-12-16 11:33:59,628 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:33:59" (1/1) ... [2023-12-16 11:33:59,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:33:59" (1/1) ... [2023-12-16 11:33:59,641 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:33:59" (1/1) ... [2023-12-16 11:33:59,643 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:33:59" (1/1) ... [2023-12-16 11:33:59,645 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:33:59" (1/1) ... [2023-12-16 11:33:59,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 11:33:59,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 11:33:59,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 11:33:59,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 11:33:59,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:33:59" (1/1) ... [2023-12-16 11:33:59,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 11:33:59,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 11:33:59,718 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 11:33:59,781 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 11:33:59,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 11:33:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 11:33:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 11:33:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 11:33:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 11:33:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 11:33:59,877 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 11:33:59,879 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 11:34:25,972 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 11:34:26,017 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 11:34:26,017 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 11:34:26,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:34:26 BoogieIcfgContainer [2023-12-16 11:34:26,017 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 11:34:26,049 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 11:34:26,049 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 11:34:26,051 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 11:34:26,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 11:33:59" (1/3) ... [2023-12-16 11:34:26,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@564f8393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:34:26, skipping insertion in model container [2023-12-16 11:34:26,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:33:59" (2/3) ... [2023-12-16 11:34:26,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@564f8393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:34:26, skipping insertion in model container [2023-12-16 11:34:26,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:34:26" (3/3) ... [2023-12-16 11:34:26,054 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-48.i [2023-12-16 11:34:26,067 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 11:34:26,068 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 11:34:26,114 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 11:34:26,120 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;@296e9cf0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 11:34:26,121 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 11:34:26,126 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 62 states have (on average 1.4193548387096775) internal successors, (88), 63 states have internal predecessors, (88), 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 11:34:26,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2023-12-16 11:34:26,157 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:34:26,158 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] [2023-12-16 11:34:26,159 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:34:26,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:34:26,164 INFO L85 PathProgramCache]: Analyzing trace with hash -134773195, now seen corresponding path program 1 times [2023-12-16 11:34:26,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:34:26,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2035600311] [2023-12-16 11:34:26,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:34:26,179 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 11:34:26,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:34:26,181 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 11:34:26,186 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 11:34:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:34:27,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 11:34:27,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:34:28,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 1348 proven. 0 refuted. 0 times theorem prover too weak. 2612 trivial. 0 not checked. [2023-12-16 11:34:28,067 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 11:34:28,068 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:34:28,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2035600311] [2023-12-16 11:34:28,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2035600311] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 11:34:28,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 11:34:28,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 11:34:28,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153690390] [2023-12-16 11:34:28,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 11:34:28,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 11:34:28,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:34:28,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 11:34:28,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 11:34:28,099 INFO L87 Difference]: Start difference. First operand has 110 states, 62 states have (on average 1.4193548387096775) internal successors, (88), 63 states have internal predecessors, (88), 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 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-12-16 11:34:33,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:34:33,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:34:33,449 INFO L93 Difference]: Finished difference Result 216 states and 397 transitions. [2023-12-16 11:34:33,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 11:34:33,907 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 275 [2023-12-16 11:34:33,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:34:33,913 INFO L225 Difference]: With dead ends: 216 [2023-12-16 11:34:33,913 INFO L226 Difference]: Without dead ends: 107 [2023-12-16 11:34:33,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 11:34:33,921 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-12-16 11:34:33,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 167 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2023-12-16 11:34:33,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-12-16 11:34:34,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2023-12-16 11:34:34,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 60 states have internal predecessors, (80), 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 11:34:34,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 170 transitions. [2023-12-16 11:34:34,024 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 170 transitions. Word has length 275 [2023-12-16 11:34:34,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:34:34,026 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 170 transitions. [2023-12-16 11:34:34,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-12-16 11:34:34,027 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 170 transitions. [2023-12-16 11:34:34,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2023-12-16 11:34:34,032 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:34:34,032 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] [2023-12-16 11:34:34,063 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-16 11:34:34,234 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 11:34:34,234 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:34:34,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:34:34,235 INFO L85 PathProgramCache]: Analyzing trace with hash 328849131, now seen corresponding path program 1 times [2023-12-16 11:34:34,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:34:34,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [44704517] [2023-12-16 11:34:34,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:34:34,237 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 11:34:34,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:34:34,275 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 11:34:34,278 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 11:34:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:34:35,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 11:34:36,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:34:37,386 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 902 proven. 15 refuted. 0 times theorem prover too weak. 3043 trivial. 0 not checked. [2023-12-16 11:34:37,386 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 11:34:38,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 117 proven. 15 refuted. 0 times theorem prover too weak. 3828 trivial. 0 not checked. [2023-12-16 11:34:38,915 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:34:38,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [44704517] [2023-12-16 11:34:38,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [44704517] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 11:34:38,917 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 11:34:38,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-16 11:34:38,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308869097] [2023-12-16 11:34:38,917 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 11:34:38,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 11:34:38,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:34:38,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 11:34:38,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 11:34:38,922 INFO L87 Difference]: Start difference. First operand 107 states and 170 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2023-12-16 11:34:47,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:34:51,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:34:56,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:34:56,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:34:56,014 INFO L93 Difference]: Finished difference Result 221 states and 346 transitions. [2023-12-16 11:34:56,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 11:34:56,521 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 275 [2023-12-16 11:34:56,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:34:56,526 INFO L225 Difference]: With dead ends: 221 [2023-12-16 11:34:56,526 INFO L226 Difference]: Without dead ends: 115 [2023-12-16 11:34:56,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 552 GetRequests, 542 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-16 11:34:56,527 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 173 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 93 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2023-12-16 11:34:56,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 256 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 237 Invalid, 3 Unknown, 0 Unchecked, 16.6s Time] [2023-12-16 11:34:56,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-12-16 11:34:56,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 111. [2023-12-16 11:34:56,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 63 states have (on average 1.3015873015873016) internal successors, (82), 63 states have internal predecessors, (82), 45 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-12-16 11:34:56,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 172 transitions. [2023-12-16 11:34:56,545 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 172 transitions. Word has length 275 [2023-12-16 11:34:56,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:34:56,547 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 172 transitions. [2023-12-16 11:34:56,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 2 states have call successors, (50), 2 states have call predecessors, (50), 4 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2023-12-16 11:34:56,547 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 172 transitions. [2023-12-16 11:34:56,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2023-12-16 11:34:56,551 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:34:56,551 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] [2023-12-16 11:34:56,585 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 11:34:56,765 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 11:34:56,766 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:34:56,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:34:56,766 INFO L85 PathProgramCache]: Analyzing trace with hash -682268119, now seen corresponding path program 1 times [2023-12-16 11:34:56,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:34:56,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1590183380] [2023-12-16 11:34:56,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:34:56,767 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 11:34:56,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:34:56,769 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 11:34:56,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-16 11:34:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:34:58,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 11:34:58,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:34:58,762 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked. [2023-12-16 11:34:58,763 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 11:34:58,763 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:34:58,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1590183380] [2023-12-16 11:34:58,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1590183380] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 11:34:58,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 11:34:58,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 11:34:58,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068304660] [2023-12-16 11:34:58,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 11:34:58,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 11:34:58,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:34:58,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 11:34:58,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 11:34:58,765 INFO L87 Difference]: Start difference. First operand 111 states and 172 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2023-12-16 11:35:04,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:35:08,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:35:12,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:35:12,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:35:12,857 INFO L93 Difference]: Finished difference Result 237 states and 367 transitions. [2023-12-16 11:35:12,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 11:35:12,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 275 [2023-12-16 11:35:12,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:35:12,860 INFO L225 Difference]: With dead ends: 237 [2023-12-16 11:35:12,860 INFO L226 Difference]: Without dead ends: 127 [2023-12-16 11:35:12,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 11:35:12,862 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 18 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2023-12-16 11:35:12,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 322 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 3 Unknown, 0 Unchecked, 14.1s Time] [2023-12-16 11:35:12,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-12-16 11:35:12,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 118. [2023-12-16 11:35:12,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 70 states have (on average 1.3142857142857143) internal successors, (92), 70 states have internal predecessors, (92), 45 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2023-12-16 11:35:12,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 182 transitions. [2023-12-16 11:35:12,875 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 182 transitions. Word has length 275 [2023-12-16 11:35:12,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:35:12,875 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 182 transitions. [2023-12-16 11:35:12,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2023-12-16 11:35:12,876 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 182 transitions. [2023-12-16 11:35:12,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2023-12-16 11:35:12,878 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:35:12,878 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] [2023-12-16 11:35:12,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-16 11:35:13,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 11:35:13,102 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:35:13,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:35:13,103 INFO L85 PathProgramCache]: Analyzing trace with hash -680421077, now seen corresponding path program 1 times [2023-12-16 11:35:13,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:35:13,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [895933913] [2023-12-16 11:35:13,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:35:13,103 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 11:35:13,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:35:13,106 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 11:35:13,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-16 11:35:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:35:14,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 11:35:14,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-16 11:35:19,056 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 11:35:19,057 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 11:35:20,060 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 11:35:20,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-16 11:35:20,257 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-16 11:35:20,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 11:35:20,261 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 276 with TraceHistMax 45,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-16 11:35:20,265 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-16 11:35:20,267 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 11:35:20,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 11:35:20 BoogieIcfgContainer [2023-12-16 11:35:20,273 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 11:35:20,273 INFO L158 Benchmark]: Toolchain (without parser) took 81037.67ms. Allocated memory is still 294.6MB. Free memory was 241.8MB in the beginning and 191.7MB in the end (delta: 50.1MB). Peak memory consumption was 51.2MB. Max. memory is 8.0GB. [2023-12-16 11:35:20,274 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 209.7MB. Free memory is still 156.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 11:35:20,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.97ms. Allocated memory is still 294.6MB. Free memory was 241.3MB in the beginning and 224.0MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-16 11:35:20,280 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.16ms. Allocated memory is still 294.6MB. Free memory was 224.0MB in the beginning and 220.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 11:35:20,281 INFO L158 Benchmark]: Boogie Preprocessor took 49.70ms. Allocated memory is still 294.6MB. Free memory was 220.9MB in the beginning and 217.2MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 11:35:20,281 INFO L158 Benchmark]: RCFGBuilder took 26367.63ms. Allocated memory is still 294.6MB. Free memory was 216.7MB in the beginning and 180.0MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2023-12-16 11:35:20,282 INFO L158 Benchmark]: TraceAbstraction took 54224.47ms. Allocated memory is still 294.6MB. Free memory was 257.0MB in the beginning and 191.7MB in the end (delta: 65.3MB). Peak memory consumption was 65.8MB. Max. memory is 8.0GB. [2023-12-16 11:35:20,285 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 209.7MB. Free memory is still 156.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 309.97ms. Allocated memory is still 294.6MB. Free memory was 241.3MB in the beginning and 224.0MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.16ms. Allocated memory is still 294.6MB. Free memory was 224.0MB in the beginning and 220.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 49.70ms. Allocated memory is still 294.6MB. Free memory was 220.9MB in the beginning and 217.2MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 26367.63ms. Allocated memory is still 294.6MB. Free memory was 216.7MB in the beginning and 180.0MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. * TraceAbstraction took 54224.47ms. Allocated memory is still 294.6MB. Free memory was 257.0MB in the beginning and 191.7MB in the end (delta: 65.3MB). Peak memory consumption was 65.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 276 with TraceHistMax 45,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 110 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 54.2s, OverallIterations: 4, TraceHistogramMax: 45, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 37.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 mSolverCounterUnknown, 229 SdHoareTripleChecker+Valid, 36.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 191 mSDsluCounter, 745 SdHoareTripleChecker+Invalid, 35.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 298 mSDsCounter, 96 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 252 IncrementalHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 96 mSolverCounterUnsat, 447 mSDtfsCounter, 252 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1100 GetRequests, 1089 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.9s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 825 NumberOfCodeBlocks, 825 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 1096 ConstructedInterpolants, 0 QuantifiedInterpolants, 1299 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1319 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 15810/15840 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