/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-94.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 11:38:28,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 11:38:28,450 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 11:38:28,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 11:38:28,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 11:38:28,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 11:38:28,468 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 11:38:28,468 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 11:38:28,469 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 11:38:28,472 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 11:38:28,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 11:38:28,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 11:38:28,472 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 11:38:28,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 11:38:28,474 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 11:38:28,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 11:38:28,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 11:38:28,474 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 11:38:28,474 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 11:38:28,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 11:38:28,475 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 11:38:28,475 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 11:38:28,475 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 11:38:28,475 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 11:38:28,475 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 11:38:28,476 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 11:38:28,476 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 11:38:28,476 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 11:38:28,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 11:38:28,476 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 11:38:28,477 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 11:38:28,477 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 11:38:28,477 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 11:38:28,477 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 11:38:28,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 11:38:28,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 11:38:28,478 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 11:38:28,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 11:38:28,478 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 11:38:28,478 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 11:38:28,478 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 11:38:28,478 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 11:38:28,478 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 11:38:28,478 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 11:38:28,479 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 11:38:28,479 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 11:38:28,479 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 11:38:28,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 11:38:28,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 11:38:28,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 11:38:28,686 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 11:38:28,687 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 11:38:28,687 INFO L431 ainManager$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-94.i [2023-12-16 11:38:29,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 11:38:29,948 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 11:38:29,948 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-94.i [2023-12-16 11:38:29,958 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5745dde95/03279848d652444c90d71bf0514eb0f6/FLAGd8fd55c8d [2023-12-16 11:38:29,971 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5745dde95/03279848d652444c90d71bf0514eb0f6 [2023-12-16 11:38:29,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 11:38:29,975 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 11:38:29,977 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 11:38:29,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 11:38:29,980 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 11:38:29,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 11:38:29" (1/1) ... [2023-12-16 11:38:29,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55e17032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:29, skipping insertion in model container [2023-12-16 11:38:29,981 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 11:38:29" (1/1) ... [2023-12-16 11:38:30,016 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 11:38:30,122 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-94.i[915,928] [2023-12-16 11:38:30,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 11:38:30,189 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 11:38:30,197 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-94.i[915,928] [2023-12-16 11:38:30,247 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 11:38:30,260 INFO L206 MainTranslator]: Completed translation [2023-12-16 11:38:30,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:30 WrapperNode [2023-12-16 11:38:30,260 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 11:38:30,261 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 11:38:30,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 11:38:30,261 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 11:38:30,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:30" (1/1) ... [2023-12-16 11:38:30,276 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:30" (1/1) ... [2023-12-16 11:38:30,306 INFO L138 Inliner]: procedures = 27, calls = 65, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 273 [2023-12-16 11:38:30,307 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 11:38:30,307 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 11:38:30,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 11:38:30,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 11:38:30,322 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:30" (1/1) ... [2023-12-16 11:38:30,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:30" (1/1) ... [2023-12-16 11:38:30,328 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:30" (1/1) ... [2023-12-16 11:38:30,339 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 11:38:30,340 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:30" (1/1) ... [2023-12-16 11:38:30,340 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:30" (1/1) ... [2023-12-16 11:38:30,362 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:30" (1/1) ... [2023-12-16 11:38:30,364 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:30" (1/1) ... [2023-12-16 11:38:30,366 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:30" (1/1) ... [2023-12-16 11:38:30,368 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:30" (1/1) ... [2023-12-16 11:38:30,370 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 11:38:30,371 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 11:38:30,371 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 11:38:30,371 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 11:38:30,372 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:30" (1/1) ... [2023-12-16 11:38:30,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 11:38:30,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 11:38:30,417 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 11:38:30,428 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 11:38:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 11:38:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 11:38:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 11:38:30,441 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 11:38:30,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 11:38:30,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 11:38:30,513 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 11:38:30,514 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 11:38:38,384 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 11:38:38,453 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 11:38:38,454 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 11:38:38,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:38:38 BoogieIcfgContainer [2023-12-16 11:38:38,454 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 11:38:38,456 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 11:38:38,456 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 11:38:38,459 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 11:38:38,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 11:38:29" (1/3) ... [2023-12-16 11:38:38,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff5f359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:38:38, skipping insertion in model container [2023-12-16 11:38:38,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:38:30" (2/3) ... [2023-12-16 11:38:38,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff5f359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:38:38, skipping insertion in model container [2023-12-16 11:38:38,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:38:38" (3/3) ... [2023-12-16 11:38:38,462 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-94.i [2023-12-16 11:38:38,475 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 11:38:38,476 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 11:38:38,513 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 11:38:38,517 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;@201ae035, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 11:38:38,518 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 11:38:38,522 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 62 states have (on average 1.3709677419354838) internal successors, (85), 63 states have internal predecessors, (85), 52 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-16 11:38:38,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2023-12-16 11:38:38,541 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:38:38,542 INFO L195 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:38:38,542 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:38:38,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:38:38,546 INFO L85 PathProgramCache]: Analyzing trace with hash 895179182, now seen corresponding path program 1 times [2023-12-16 11:38:38,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:38:38,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2026388678] [2023-12-16 11:38:38,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:38:38,560 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 11:38:38,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:38:38,562 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 11:38:38,591 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 11:38:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:38:39,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 11:38:39,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:38:39,339 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 1974 proven. 0 refuted. 0 times theorem prover too weak. 3330 trivial. 0 not checked. [2023-12-16 11:38:39,339 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 11:38:39,340 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:38:39,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2026388678] [2023-12-16 11:38:39,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2026388678] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 11:38:39,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 11:38:39,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 11:38:39,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525121728] [2023-12-16 11:38:39,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 11:38:39,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 11:38:39,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:38:39,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 11:38:39,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 11:38:39,368 INFO L87 Difference]: Start difference. First operand has 117 states, 62 states have (on average 1.3709677419354838) internal successors, (85), 63 states have internal predecessors, (85), 52 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2023-12-16 11:38:43,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:38:43,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:38:43,512 INFO L93 Difference]: Finished difference Result 231 states and 428 transitions. [2023-12-16 11:38:43,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 11:38:43,552 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 309 [2023-12-16 11:38:43,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:38:43,557 INFO L225 Difference]: With dead ends: 231 [2023-12-16 11:38:43,557 INFO L226 Difference]: Without dead ends: 115 [2023-12-16 11:38:43,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 308 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 11:38:43,563 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-12-16 11:38:43,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 181 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2023-12-16 11:38:43,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-12-16 11:38:43,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2023-12-16 11:38:43,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 61 states have (on average 1.3114754098360655) internal successors, (80), 61 states have internal predecessors, (80), 52 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-16 11:38:43,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 184 transitions. [2023-12-16 11:38:43,605 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 184 transitions. Word has length 309 [2023-12-16 11:38:43,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:38:43,605 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 184 transitions. [2023-12-16 11:38:43,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2023-12-16 11:38:43,605 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 184 transitions. [2023-12-16 11:38:43,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2023-12-16 11:38:43,619 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:38:43,619 INFO L195 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:38:43,634 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 11:38:43,834 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 11:38:43,835 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:38:43,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:38:43,835 INFO L85 PathProgramCache]: Analyzing trace with hash -63535426, now seen corresponding path program 1 times [2023-12-16 11:38:43,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:38:43,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1473514847] [2023-12-16 11:38:43,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:38:43,836 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 11:38:43,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:38:43,838 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 11:38:43,841 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 11:38:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:38:44,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 11:38:44,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:38:45,818 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5304 trivial. 0 not checked. [2023-12-16 11:38:45,818 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 11:38:45,818 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:38:45,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1473514847] [2023-12-16 11:38:45,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1473514847] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 11:38:45,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 11:38:45,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 11:38:45,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232876306] [2023-12-16 11:38:45,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 11:38:45,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 11:38:45,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:38:45,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 11:38:45,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 11:38:45,822 INFO L87 Difference]: Start difference. First operand 115 states and 184 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2023-12-16 11:38:50,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:38:53,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.00s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:38:53,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:38:53,685 INFO L93 Difference]: Finished difference Result 349 states and 556 transitions. [2023-12-16 11:38:53,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 11:38:53,727 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) Word has length 309 [2023-12-16 11:38:53,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:38:53,733 INFO L225 Difference]: With dead ends: 349 [2023-12-16 11:38:53,733 INFO L226 Difference]: Without dead ends: 235 [2023-12-16 11:38:53,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-16 11:38:53,735 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 132 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 105 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2023-12-16 11:38:53,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 720 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 23 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2023-12-16 11:38:53,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2023-12-16 11:38:53,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 227. [2023-12-16 11:38:53,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 120 states have (on average 1.3083333333333333) internal successors, (157), 120 states have internal predecessors, (157), 104 states have call successors, (104), 2 states have call predecessors, (104), 2 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2023-12-16 11:38:53,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 365 transitions. [2023-12-16 11:38:53,795 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 365 transitions. Word has length 309 [2023-12-16 11:38:53,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:38:53,798 INFO L495 AbstractCegarLoop]: Abstraction has 227 states and 365 transitions. [2023-12-16 11:38:53,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 1 states have call predecessors, (52), 1 states have call successors, (52) [2023-12-16 11:38:53,800 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 365 transitions. [2023-12-16 11:38:53,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2023-12-16 11:38:53,807 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:38:53,807 INFO L195 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:38:53,824 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 11:38:54,024 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 11:38:54,025 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:38:54,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:38:54,025 INFO L85 PathProgramCache]: Analyzing trace with hash -2091374413, now seen corresponding path program 1 times [2023-12-16 11:38:54,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:38:54,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1926036475] [2023-12-16 11:38:54,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:38:54,027 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 11:38:54,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:38:54,028 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 11:38:54,029 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 11:38:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:38:54,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-16 11:38:54,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:38:55,946 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 633 proven. 144 refuted. 0 times theorem prover too weak. 4527 trivial. 0 not checked. [2023-12-16 11:38:55,947 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 11:38:56,701 INFO L134 CoverageAnalysis]: Checked inductivity of 5304 backedges. 9 proven. 144 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2023-12-16 11:38:56,701 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:38:56,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1926036475] [2023-12-16 11:38:56,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1926036475] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 11:38:56,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 11:38:56,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-12-16 11:38:56,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424393450] [2023-12-16 11:38:56,702 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 11:38:56,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 11:38:56,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:38:56,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 11:38:56,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-16 11:38:56,704 INFO L87 Difference]: Start difference. First operand 227 states and 365 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 2 states have call successors, (100), 2 states have call predecessors, (100), 4 states have return successors, (101), 2 states have call predecessors, (101), 2 states have call successors, (101) [2023-12-16 11:39:00,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:39:01,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:39:01,999 INFO L93 Difference]: Finished difference Result 935 states and 1477 transitions. [2023-12-16 11:39:01,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-16 11:39:01,999 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 2 states have call successors, (100), 2 states have call predecessors, (100), 4 states have return successors, (101), 2 states have call predecessors, (101), 2 states have call successors, (101) Word has length 310 [2023-12-16 11:39:02,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:39:02,004 INFO L225 Difference]: With dead ends: 935 [2023-12-16 11:39:02,004 INFO L226 Difference]: Without dead ends: 709 [2023-12-16 11:39:02,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 636 GetRequests, 612 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=183, Invalid=417, Unknown=0, NotChecked=0, Total=600 [2023-12-16 11:39:02,006 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 306 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 368 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 368 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-12-16 11:39:02,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 453 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [368 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-12-16 11:39:02,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2023-12-16 11:39:02,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 358. [2023-12-16 11:39:02,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 195 states have (on average 1.2717948717948717) internal successors, (248), 195 states have internal predecessors, (248), 156 states have call successors, (156), 6 states have call predecessors, (156), 6 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2023-12-16 11:39:02,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 560 transitions. [2023-12-16 11:39:02,101 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 560 transitions. Word has length 310 [2023-12-16 11:39:02,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:39:02,102 INFO L495 AbstractCegarLoop]: Abstraction has 358 states and 560 transitions. [2023-12-16 11:39:02,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 2 states have call successors, (100), 2 states have call predecessors, (100), 4 states have return successors, (101), 2 states have call predecessors, (101), 2 states have call successors, (101) [2023-12-16 11:39:02,102 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 560 transitions. [2023-12-16 11:39:02,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2023-12-16 11:39:02,105 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:39:02,105 INFO L195 NwaCegarLoop]: trace histogram [52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:39:02,138 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 11:39:02,320 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 11:39:02,321 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:39:02,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:39:02,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1810565873, now seen corresponding path program 1 times [2023-12-16 11:39:02,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:39:02,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1783307851] [2023-12-16 11:39:02,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:39:02,323 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 11:39:02,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:39:02,324 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 11:39:02,347 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 11:39:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:39:04,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-16 11:39:04,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-16 11:39:46,412 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 11:39:46,421 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 11:39:46,421 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 11:39:46,431 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 11:39:46,613 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 11:39:46,613 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 311 with TraceHistMax 52,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-13-2-2-1 context. [2023-12-16 11:39:46,620 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-16 11:39:46,622 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 11:39:46,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 11:39:46 BoogieIcfgContainer [2023-12-16 11:39:46,634 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 11:39:46,636 INFO L158 Benchmark]: Toolchain (without parser) took 76661.38ms. Allocated memory was 260.0MB in the beginning and 312.5MB in the end (delta: 52.4MB). Free memory was 216.0MB in the beginning and 216.8MB in the end (delta: -822.2kB). Peak memory consumption was 52.5MB. Max. memory is 8.0GB. [2023-12-16 11:39:46,639 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 216.0MB. Free memory is still 165.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 11:39:46,643 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.00ms. Allocated memory is still 260.0MB. Free memory was 215.6MB in the beginning and 197.7MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-16 11:39:46,643 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.52ms. Allocated memory is still 260.0MB. Free memory was 197.7MB in the beginning and 194.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 11:39:46,644 INFO L158 Benchmark]: Boogie Preprocessor took 63.28ms. Allocated memory is still 260.0MB. Free memory was 194.6MB in the beginning and 190.1MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 11:39:46,644 INFO L158 Benchmark]: RCFGBuilder took 8083.20ms. Allocated memory is still 260.0MB. Free memory was 190.1MB in the beginning and 222.9MB in the end (delta: -32.8MB). Peak memory consumption was 35.3MB. Max. memory is 8.0GB. [2023-12-16 11:39:46,644 INFO L158 Benchmark]: TraceAbstraction took 68179.34ms. Allocated memory was 260.0MB in the beginning and 312.5MB in the end (delta: 52.4MB). Free memory was 222.4MB in the beginning and 216.8MB in the end (delta: 5.6MB). Peak memory consumption was 58.0MB. Max. memory is 8.0GB. [2023-12-16 11:39:46,647 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 216.0MB. Free memory is still 165.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 284.00ms. Allocated memory is still 260.0MB. Free memory was 215.6MB in the beginning and 197.7MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.52ms. Allocated memory is still 260.0MB. Free memory was 197.7MB in the beginning and 194.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 63.28ms. Allocated memory is still 260.0MB. Free memory was 194.6MB in the beginning and 190.1MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 8083.20ms. Allocated memory is still 260.0MB. Free memory was 190.1MB in the beginning and 222.9MB in the end (delta: -32.8MB). Peak memory consumption was 35.3MB. Max. memory is 8.0GB. * TraceAbstraction took 68179.34ms. Allocated memory was 260.0MB in the beginning and 312.5MB in the end (delta: 52.4MB). Free memory was 222.4MB in the beginning and 216.8MB in the end (delta: 5.6MB). Peak memory consumption was 58.0MB. 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 311 with TraceHistMax 52,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-13-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 117 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 68.1s, OverallIterations: 4, TraceHistogramMax: 52, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 17.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 443 SdHoareTripleChecker+Valid, 16.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 438 mSDsluCounter, 1354 SdHoareTripleChecker+Invalid, 16.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 866 mSDsCounter, 473 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 489 IncrementalHoareTripleChecker+Invalid, 964 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 473 mSolverCounterUnsat, 488 mSDtfsCounter, 489 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1255 GetRequests, 1225 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=358occurred in iteration=3, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 359 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 928 NumberOfCodeBlocks, 928 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 1234 ConstructedInterpolants, 0 QuantifiedInterpolants, 2981 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1475 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 20928/21216 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