/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-39.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 11:51:40,240 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 11:51:40,298 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 11:51:40,305 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 11:51:40,306 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 11:51:40,334 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 11:51:40,335 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 11:51:40,335 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 11:51:40,336 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 11:51:40,338 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 11:51:40,338 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 11:51:40,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 11:51:40,339 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 11:51:40,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 11:51:40,340 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 11:51:40,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 11:51:40,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 11:51:40,341 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 11:51:40,341 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 11:51:40,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 11:51:40,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 11:51:40,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 11:51:40,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 11:51:40,342 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 11:51:40,343 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 11:51:40,343 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 11:51:40,343 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 11:51:40,343 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 11:51:40,343 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 11:51:40,343 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 11:51:40,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 11:51:40,344 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 11:51:40,344 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 11:51:40,344 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 11:51:40,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 11:51:40,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 11:51:40,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 11:51:40,345 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 11:51:40,345 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 11:51:40,345 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 11:51:40,345 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 11:51:40,346 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 11:51:40,346 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 11:51:40,346 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 11:51:40,346 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 11:51:40,346 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 11:51:40,346 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 11:51:40,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 11:51:40,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 11:51:40,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 11:51:40,560 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 11:51:40,562 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 11:51:40,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-39.i [2023-12-16 11:51:41,703 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 11:51:41,920 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 11:51:41,921 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-39.i [2023-12-16 11:51:41,927 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4208d2057/19da365eb43e4b95ba8ede2b09ab7cc8/FLAGd7062740f [2023-12-16 11:51:41,940 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4208d2057/19da365eb43e4b95ba8ede2b09ab7cc8 [2023-12-16 11:51:41,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 11:51:41,942 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 11:51:41,943 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 11:51:41,943 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 11:51:41,947 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 11:51:41,948 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 11:51:41" (1/1) ... [2023-12-16 11:51:41,950 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be5de75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:51:41, skipping insertion in model container [2023-12-16 11:51:41,950 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 11:51:41" (1/1) ... [2023-12-16 11:51:41,986 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 11:51:42,101 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-39.i[919,932] [2023-12-16 11:51:42,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 11:51:42,177 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 11:51:42,188 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-39.i[919,932] [2023-12-16 11:51:42,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 11:51:42,231 INFO L206 MainTranslator]: Completed translation [2023-12-16 11:51:42,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:51:42 WrapperNode [2023-12-16 11:51:42,232 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 11:51:42,233 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 11:51:42,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 11:51:42,233 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 11:51:42,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:51:42" (1/1) ... [2023-12-16 11:51:42,250 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:51:42" (1/1) ... [2023-12-16 11:51:42,284 INFO L138 Inliner]: procedures = 27, calls = 60, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 261 [2023-12-16 11:51:42,284 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 11:51:42,285 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 11:51:42,285 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 11:51:42,285 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 11:51:42,293 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:51:42" (1/1) ... [2023-12-16 11:51:42,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:51:42" (1/1) ... [2023-12-16 11:51:42,298 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:51:42" (1/1) ... [2023-12-16 11:51:42,320 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 11:51:42,321 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:51:42" (1/1) ... [2023-12-16 11:51:42,321 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:51:42" (1/1) ... [2023-12-16 11:51:42,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:51:42" (1/1) ... [2023-12-16 11:51:42,333 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:51:42" (1/1) ... [2023-12-16 11:51:42,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:51:42" (1/1) ... [2023-12-16 11:51:42,336 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:51:42" (1/1) ... [2023-12-16 11:51:42,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 11:51:42,340 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 11:51:42,340 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 11:51:42,340 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 11:51:42,341 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:51:42" (1/1) ... [2023-12-16 11:51:42,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 11:51:42,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 11:51:42,382 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 11:51:42,387 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 11:51:42,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 11:51:42,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 11:51:42,417 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 11:51:42,417 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 11:51:42,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 11:51:42,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 11:51:42,519 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 11:51:42,521 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 11:51:49,062 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 11:51:49,134 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 11:51:49,135 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 11:51:49,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:51:49 BoogieIcfgContainer [2023-12-16 11:51:49,135 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 11:51:49,139 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 11:51:49,139 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 11:51:49,141 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 11:51:49,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 11:51:41" (1/3) ... [2023-12-16 11:51:49,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74830a0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:51:49, skipping insertion in model container [2023-12-16 11:51:49,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:51:42" (2/3) ... [2023-12-16 11:51:49,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74830a0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:51:49, skipping insertion in model container [2023-12-16 11:51:49,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:51:49" (3/3) ... [2023-12-16 11:51:49,142 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-39.i [2023-12-16 11:51:49,155 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 11:51:49,155 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 11:51:49,185 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 11:51:49,190 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;@24f33fe6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 11:51:49,190 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 11:51:49,193 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 59 states have (on average 1.3898305084745763) internal successors, (82), 60 states have internal predecessors, (82), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2023-12-16 11:51:49,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2023-12-16 11:51:49,209 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:51:49,209 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:51:49,210 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:51:49,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:51:49,213 INFO L85 PathProgramCache]: Analyzing trace with hash 436697591, now seen corresponding path program 1 times [2023-12-16 11:51:49,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:51:49,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [664852786] [2023-12-16 11:51:49,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:51:49,223 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 11:51:49,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:51:49,224 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 11:51:49,225 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 11:51:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:51:49,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 11:51:49,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:51:49,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 1052 proven. 0 refuted. 0 times theorem prover too weak. 3272 trivial. 0 not checked. [2023-12-16 11:51:49,687 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 11:51:49,688 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:51:49,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [664852786] [2023-12-16 11:51:49,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [664852786] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 11:51:49,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 11:51:49,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 11:51:49,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000366690] [2023-12-16 11:51:49,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 11:51:49,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 11:51:49,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:51:49,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 11:51:49,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 11:51:49,733 INFO L87 Difference]: Start difference. First operand has 109 states, 59 states have (on average 1.3898305084745763) internal successors, (82), 60 states have internal predecessors, (82), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-12-16 11:51:49,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:51:49,912 INFO L93 Difference]: Finished difference Result 215 states and 397 transitions. [2023-12-16 11:51:49,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 11:51:49,922 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 281 [2023-12-16 11:51:49,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:51:49,927 INFO L225 Difference]: With dead ends: 215 [2023-12-16 11:51:49,927 INFO L226 Difference]: Without dead ends: 107 [2023-12-16 11:51:49,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 280 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 11:51:49,932 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 11:51:49,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 168 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 11:51:49,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-12-16 11:51:49,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2023-12-16 11:51:49,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 58 states have (on average 1.3275862068965518) internal successors, (77), 58 states have internal predecessors, (77), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2023-12-16 11:51:49,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 171 transitions. [2023-12-16 11:51:49,967 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 171 transitions. Word has length 281 [2023-12-16 11:51:49,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:51:49,968 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 171 transitions. [2023-12-16 11:51:49,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-12-16 11:51:49,968 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 171 transitions. [2023-12-16 11:51:49,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2023-12-16 11:51:49,972 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:51:49,972 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:51:49,983 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 11:51:50,183 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 11:51:50,183 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:51:50,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:51:50,184 INFO L85 PathProgramCache]: Analyzing trace with hash 929742709, now seen corresponding path program 1 times [2023-12-16 11:51:50,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:51:50,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1395024177] [2023-12-16 11:51:50,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:51:50,186 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 11:51:50,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:51:50,198 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 11:51:50,201 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 11:51:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:51:50,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 11:51:50,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:51:50,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2023-12-16 11:51:50,593 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 11:51:50,594 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:51:50,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1395024177] [2023-12-16 11:51:50,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1395024177] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 11:51:50,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 11:51:50,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 11:51:50,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472266569] [2023-12-16 11:51:50,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 11:51:50,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 11:51:50,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:51:50,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 11:51:50,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 11:51:50,603 INFO L87 Difference]: Start difference. First operand 107 states and 171 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2023-12-16 11:51:50,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:51:50,776 INFO L93 Difference]: Finished difference Result 257 states and 407 transitions. [2023-12-16 11:51:50,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 11:51:50,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) Word has length 281 [2023-12-16 11:51:50,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:51:50,780 INFO L225 Difference]: With dead ends: 257 [2023-12-16 11:51:50,780 INFO L226 Difference]: Without dead ends: 151 [2023-12-16 11:51:50,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 11:51:50,782 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 63 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 11:51:50,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 373 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 11:51:50,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2023-12-16 11:51:50,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 148. [2023-12-16 11:51:50,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 82 states have (on average 1.3170731707317074) internal successors, (108), 83 states have internal predecessors, (108), 63 states have call successors, (63), 2 states have call predecessors, (63), 2 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2023-12-16 11:51:50,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 234 transitions. [2023-12-16 11:51:50,814 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 234 transitions. Word has length 281 [2023-12-16 11:51:50,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:51:50,815 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 234 transitions. [2023-12-16 11:51:50,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2023-12-16 11:51:50,816 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 234 transitions. [2023-12-16 11:51:50,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2023-12-16 11:51:50,819 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:51:50,819 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:51:50,833 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 (3)] Forceful destruction successful, exit code 0 [2023-12-16 11:51:51,033 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 11:51:51,033 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:51:51,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:51:51,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1590217225, now seen corresponding path program 1 times [2023-12-16 11:51:51,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:51:51,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1809987094] [2023-12-16 11:51:51,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:51:51,035 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 11:51:51,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:51:51,037 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 11:51:51,038 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 11:51:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:51:51,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-16 11:51:51,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:51:52,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 1902 proven. 42 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2023-12-16 11:51:52,957 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 11:51:53,213 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:51:53,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1809987094] [2023-12-16 11:51:53,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1809987094] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 11:51:53,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [415881182] [2023-12-16 11:51:53,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:51:53,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-16 11:51:53,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-16 11:51:53,265 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-16 11:51:53,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-16 11:51:54,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:51:54,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 11:51:54,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:51:55,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 1902 proven. 42 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2023-12-16 11:51:55,631 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 11:51:55,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [415881182] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 11:51:55,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 11:51:55,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2023-12-16 11:51:55,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654960887] [2023-12-16 11:51:55,913 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 11:51:55,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 11:51:55,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:51:55,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 11:51:55,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2023-12-16 11:51:55,914 INFO L87 Difference]: Start difference. First operand 148 states and 234 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-12-16 11:51:59,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:52:01,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:52:06,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:52:06,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:52:06,973 INFO L93 Difference]: Finished difference Result 450 states and 707 transitions. [2023-12-16 11:52:06,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 11:52:06,975 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 281 [2023-12-16 11:52:06,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:52:06,981 INFO L225 Difference]: With dead ends: 450 [2023-12-16 11:52:06,981 INFO L226 Difference]: Without dead ends: 303 [2023-12-16 11:52:06,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 756 GetRequests, 746 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2023-12-16 11:52:06,983 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 87 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2023-12-16 11:52:06,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 557 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 282 Invalid, 1 Unknown, 0 Unchecked, 10.9s Time] [2023-12-16 11:52:06,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2023-12-16 11:52:07,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 297. [2023-12-16 11:52:07,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 165 states have (on average 1.303030303030303) internal successors, (215), 167 states have internal predecessors, (215), 126 states have call successors, (126), 5 states have call predecessors, (126), 5 states have return successors, (126), 124 states have call predecessors, (126), 126 states have call successors, (126) [2023-12-16 11:52:07,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 467 transitions. [2023-12-16 11:52:07,024 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 467 transitions. Word has length 281 [2023-12-16 11:52:07,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:52:07,025 INFO L495 AbstractCegarLoop]: Abstraction has 297 states and 467 transitions. [2023-12-16 11:52:07,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-12-16 11:52:07,025 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 467 transitions. [2023-12-16 11:52:07,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2023-12-16 11:52:07,032 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:52:07,032 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:52:07,057 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 11:52:07,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-16 11:52:07,451 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=3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2023-12-16 11:52:07,452 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:52:07,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:52:07,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1847875886, now seen corresponding path program 1 times [2023-12-16 11:52:07,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:52:07,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [699974974] [2023-12-16 11:52:07,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:52:07,458 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 11:52:07,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:52:07,459 INFO L229 MonitoredProcess]: Starting monitored process 6 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 11:52:07,506 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 (6)] Waiting until timeout for monitored process [2023-12-16 11:52:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:52:07,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-16 11:52:07,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:52:51,046 WARN L293 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-12-16 11:52:58,959 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 11:52:58,959 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 (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 11:52:59,972 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 (6)] Forceful destruction successful, exit code 0 [2023-12-16 11:53:00,160 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 11:53:00,171 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 11:53:00,171 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 283 with TraceHistMax 47,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while executing Executor. [2023-12-16 11:53:00,174 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-16 11:53:00,175 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 11:53:00,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 [2023-12-16 11:53:00,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 11:53:00 BoogieIcfgContainer [2023-12-16 11:53:00,180 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 11:53:00,181 INFO L158 Benchmark]: Toolchain (without parser) took 78238.26ms. Allocated memory was 189.8MB in the beginning and 284.2MB in the end (delta: 94.4MB). Free memory was 144.2MB in the beginning and 122.2MB in the end (delta: 21.9MB). Peak memory consumption was 117.2MB. Max. memory is 8.0GB. [2023-12-16 11:53:00,181 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 189.8MB. Free memory is still 146.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 11:53:00,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.23ms. Allocated memory is still 189.8MB. Free memory was 143.8MB in the beginning and 126.3MB in the end (delta: 17.4MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-16 11:53:00,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.43ms. Allocated memory is still 189.8MB. Free memory was 125.9MB in the beginning and 123.2MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 11:53:00,181 INFO L158 Benchmark]: Boogie Preprocessor took 54.63ms. Allocated memory is still 189.8MB. Free memory was 123.2MB in the beginning and 119.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 11:53:00,181 INFO L158 Benchmark]: RCFGBuilder took 6794.89ms. Allocated memory is still 189.8MB. Free memory was 119.0MB in the beginning and 159.5MB in the end (delta: -40.5MB). Peak memory consumption was 37.0MB. Max. memory is 8.0GB. [2023-12-16 11:53:00,182 INFO L158 Benchmark]: TraceAbstraction took 71041.59ms. Allocated memory was 189.8MB in the beginning and 284.2MB in the end (delta: 94.4MB). Free memory was 159.0MB in the beginning and 122.2MB in the end (delta: 36.7MB). Peak memory consumption was 131.6MB. Max. memory is 8.0GB. [2023-12-16 11:53:00,183 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 189.8MB. Free memory is still 146.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 289.23ms. Allocated memory is still 189.8MB. Free memory was 143.8MB in the beginning and 126.3MB in the end (delta: 17.4MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.43ms. Allocated memory is still 189.8MB. Free memory was 125.9MB in the beginning and 123.2MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 54.63ms. Allocated memory is still 189.8MB. Free memory was 123.2MB in the beginning and 119.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 6794.89ms. Allocated memory is still 189.8MB. Free memory was 119.0MB in the beginning and 159.5MB in the end (delta: -40.5MB). Peak memory consumption was 37.0MB. Max. memory is 8.0GB. * TraceAbstraction took 71041.59ms. Allocated memory was 189.8MB in the beginning and 284.2MB in the end (delta: 94.4MB). Free memory was 159.0MB in the beginning and 122.2MB in the end (delta: 36.7MB). Peak memory consumption was 131.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 283 with TraceHistMax 47,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 109 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 71.0s, OverallIterations: 4, TraceHistogramMax: 47, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 182 SdHoareTripleChecker+Valid, 11.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 150 mSDsluCounter, 1098 SdHoareTripleChecker+Invalid, 11.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 601 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 300 IncrementalHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 497 mSDtfsCounter, 300 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1316 GetRequests, 1305 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=297occurred 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, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 1124 NumberOfCodeBlocks, 1124 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 1120 ConstructedInterpolants, 0 QuantifiedInterpolants, 4288 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1816 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 17212/17296 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