/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-21.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 11:31:09,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 11:31:09,494 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 11:31:09,497 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 11:31:09,498 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 11:31:09,518 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 11:31:09,518 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 11:31:09,518 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 11:31:09,519 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 11:31:09,522 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 11:31:09,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 11:31:09,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 11:31:09,523 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 11:31:09,523 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 11:31:09,524 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 11:31:09,524 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 11:31:09,524 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 11:31:09,524 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 11:31:09,525 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 11:31:09,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 11:31:09,526 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 11:31:09,526 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 11:31:09,526 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 11:31:09,526 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 11:31:09,526 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 11:31:09,526 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 11:31:09,527 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 11:31:09,527 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 11:31:09,527 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 11:31:09,527 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 11:31:09,528 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 11:31:09,528 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 11:31:09,528 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 11:31:09,528 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 11:31:09,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 11:31:09,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 11:31:09,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 11:31:09,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 11:31:09,528 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 11:31:09,529 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 11:31:09,529 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 11:31:09,529 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 11:31:09,529 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 11:31:09,529 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 11:31:09,529 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 11:31:09,529 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 11:31:09,529 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 11:31:09,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 11:31:09,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 11:31:09,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 11:31:09,715 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 11:31:09,716 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 11:31:09,717 INFO L431 ainManager$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-21.i [2023-12-16 11:31:10,674 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 11:31:10,847 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 11:31:10,847 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-21.i [2023-12-16 11:31:10,853 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3a16b0d6/230287ad4f6e4ef893060d4cea4de040/FLAG96d2a990b [2023-12-16 11:31:10,862 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3a16b0d6/230287ad4f6e4ef893060d4cea4de040 [2023-12-16 11:31:10,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 11:31:10,864 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 11:31:10,865 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 11:31:10,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 11:31:10,870 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 11:31:10,870 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 11:31:10" (1/1) ... [2023-12-16 11:31:10,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b8bcc25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:31:10, skipping insertion in model container [2023-12-16 11:31:10,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 11:31:10" (1/1) ... [2023-12-16 11:31:10,902 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 11:31:11,014 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-21.i[915,928] [2023-12-16 11:31:11,078 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 11:31:11,091 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 11:31:11,099 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-21.i[915,928] [2023-12-16 11:31:11,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 11:31:11,137 INFO L206 MainTranslator]: Completed translation [2023-12-16 11:31:11,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:31:11 WrapperNode [2023-12-16 11:31:11,138 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 11:31:11,139 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 11:31:11,139 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 11:31:11,139 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 11:31:11,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:31:11" (1/1) ... [2023-12-16 11:31:11,158 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:31:11" (1/1) ... [2023-12-16 11:31:11,180 INFO L138 Inliner]: procedures = 27, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 262 [2023-12-16 11:31:11,181 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 11:31:11,181 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 11:31:11,181 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 11:31:11,181 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 11:31:11,188 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:31:11" (1/1) ... [2023-12-16 11:31:11,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:31:11" (1/1) ... [2023-12-16 11:31:11,191 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:31:11" (1/1) ... [2023-12-16 11:31:11,201 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 11:31:11,201 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:31:11" (1/1) ... [2023-12-16 11:31:11,201 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:31:11" (1/1) ... [2023-12-16 11:31:11,209 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:31:11" (1/1) ... [2023-12-16 11:31:11,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:31:11" (1/1) ... [2023-12-16 11:31:11,213 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:31:11" (1/1) ... [2023-12-16 11:31:11,214 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:31:11" (1/1) ... [2023-12-16 11:31:11,217 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 11:31:11,217 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 11:31:11,217 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 11:31:11,218 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 11:31:11,218 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:31:11" (1/1) ... [2023-12-16 11:31:11,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 11:31:11,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 11:31:11,241 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 11:31:11,252 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 11:31:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 11:31:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 11:31:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 11:31:11,270 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 11:31:11,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 11:31:11,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 11:31:11,340 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 11:31:11,341 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 11:31:13,140 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 11:31:13,166 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 11:31:13,166 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 11:31:13,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:31:13 BoogieIcfgContainer [2023-12-16 11:31:13,167 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 11:31:13,169 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 11:31:13,169 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 11:31:13,171 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 11:31:13,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 11:31:10" (1/3) ... [2023-12-16 11:31:13,172 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a0f32cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:31:13, skipping insertion in model container [2023-12-16 11:31:13,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:31:11" (2/3) ... [2023-12-16 11:31:13,172 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a0f32cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:31:13, skipping insertion in model container [2023-12-16 11:31:13,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:31:13" (3/3) ... [2023-12-16 11:31:13,173 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-21.i [2023-12-16 11:31:13,184 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 11:31:13,184 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 11:31:13,220 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 11:31:13,224 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;@7c223c4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 11:31:13,224 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 11:31:13,228 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 62 states have internal predecessors, (84), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-12-16 11:31:13,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2023-12-16 11:31:13,252 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:31:13,253 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:31:13,253 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:31:13,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:31:13,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1115955441, now seen corresponding path program 1 times [2023-12-16 11:31:13,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:31:13,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1847939896] [2023-12-16 11:31:13,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:31:13,271 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 11:31:13,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:31:13,274 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 11:31:13,298 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 11:31:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:31:13,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 11:31:13,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:31:13,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 2078 proven. 0 refuted. 0 times theorem prover too weak. 2434 trivial. 0 not checked. [2023-12-16 11:31:13,804 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 11:31:13,805 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:31:13,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1847939896] [2023-12-16 11:31:13,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1847939896] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 11:31:13,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 11:31:13,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 11:31:13,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946261432] [2023-12-16 11:31:13,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 11:31:13,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 11:31:13,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:31:13,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 11:31:13,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 11:31:13,844 INFO L87 Difference]: Start difference. First operand has 112 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 62 states have internal predecessors, (84), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) 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, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2023-12-16 11:31:14,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:31:14,389 INFO L93 Difference]: Finished difference Result 221 states and 406 transitions. [2023-12-16 11:31:14,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 11:31:14,405 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, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 289 [2023-12-16 11:31:14,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:31:14,410 INFO L225 Difference]: With dead ends: 221 [2023-12-16 11:31:14,410 INFO L226 Difference]: Without dead ends: 110 [2023-12-16 11:31:14,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 288 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 11:31:14,415 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 11:31:14,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 11:31:14,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-12-16 11:31:14,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2023-12-16 11:31:14,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 60 states have (on average 1.3166666666666667) internal successors, (79), 60 states have internal predecessors, (79), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-12-16 11:31:14,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 175 transitions. [2023-12-16 11:31:14,457 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 175 transitions. Word has length 289 [2023-12-16 11:31:14,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:31:14,457 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 175 transitions. [2023-12-16 11:31:14,458 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, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2023-12-16 11:31:14,458 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 175 transitions. [2023-12-16 11:31:14,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2023-12-16 11:31:14,461 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:31:14,461 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:31:14,475 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 11:31:14,671 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 11:31:14,672 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:31:14,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:31:14,673 INFO L85 PathProgramCache]: Analyzing trace with hash -785043855, now seen corresponding path program 1 times [2023-12-16 11:31:14,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:31:14,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1312756526] [2023-12-16 11:31:14,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:31:14,674 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 11:31:14,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:31:14,676 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 11:31:14,678 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 11:31:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:31:15,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 11:31:15,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:31:15,171 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 663 proven. 9 refuted. 0 times theorem prover too weak. 3840 trivial. 0 not checked. [2023-12-16 11:31:15,171 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 11:31:15,227 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:31:15,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1312756526] [2023-12-16 11:31:15,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1312756526] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 11:31:15,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2047539560] [2023-12-16 11:31:15,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:31:15,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-16 11:31:15,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-16 11:31:15,233 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-16 11:31:15,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-16 11:31:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:31:16,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-16 11:31:16,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:31:16,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 663 proven. 9 refuted. 0 times theorem prover too weak. 3840 trivial. 0 not checked. [2023-12-16 11:31:16,393 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 11:31:16,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2047539560] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 11:31:16,426 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 11:31:16,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2023-12-16 11:31:16,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725681825] [2023-12-16 11:31:16,428 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 11:31:16,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 11:31:16,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:31:16,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 11:31:16,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-16 11:31:16,432 INFO L87 Difference]: Start difference. First operand 110 states and 175 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (48), 2 states have call predecessors, (48), 3 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2023-12-16 11:31:17,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:31:17,769 INFO L93 Difference]: Finished difference Result 225 states and 354 transitions. [2023-12-16 11:31:17,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 11:31:17,786 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (48), 2 states have call predecessors, (48), 3 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 289 [2023-12-16 11:31:17,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:31:17,789 INFO L225 Difference]: With dead ends: 225 [2023-12-16 11:31:17,789 INFO L226 Difference]: Without dead ends: 116 [2023-12-16 11:31:17,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 622 GetRequests, 614 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-12-16 11:31:17,791 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 114 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-16 11:31:17,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 262 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-16 11:31:17,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-12-16 11:31:17,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2023-12-16 11:31:17,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 63 states have (on average 1.2857142857142858) internal successors, (81), 63 states have internal predecessors, (81), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-12-16 11:31:17,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 177 transitions. [2023-12-16 11:31:17,805 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 177 transitions. Word has length 289 [2023-12-16 11:31:17,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:31:17,806 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 177 transitions. [2023-12-16 11:31:17,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (48), 2 states have call predecessors, (48), 3 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2023-12-16 11:31:17,806 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 177 transitions. [2023-12-16 11:31:17,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2023-12-16 11:31:17,809 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:31:17,809 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:31:17,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-16 11:31:18,030 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 11:31:18,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,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 11:31:18,219 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:31:18,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:31:18,220 INFO L85 PathProgramCache]: Analyzing trace with hash -965268974, now seen corresponding path program 1 times [2023-12-16 11:31:18,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:31:18,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1498976822] [2023-12-16 11:31:18,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:31:18,221 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 11:31:18,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:31:18,222 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 11:31:18,224 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 11:31:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:31:18,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-16 11:31:18,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:31:19,140 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 1566 proven. 54 refuted. 0 times theorem prover too weak. 2892 trivial. 0 not checked. [2023-12-16 11:31:19,140 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 11:31:19,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 351 proven. 63 refuted. 0 times theorem prover too weak. 4098 trivial. 0 not checked. [2023-12-16 11:31:19,587 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:31:19,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1498976822] [2023-12-16 11:31:19,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1498976822] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 11:31:19,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 11:31:19,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 18 [2023-12-16 11:31:19,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228994398] [2023-12-16 11:31:19,588 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 11:31:19,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-16 11:31:19,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:31:19,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-16 11:31:19,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2023-12-16 11:31:19,590 INFO L87 Difference]: Start difference. First operand 114 states and 177 transitions. Second operand has 18 states, 18 states have (on average 4.444444444444445) internal successors, (80), 18 states have internal predecessors, (80), 4 states have call successors, (57), 4 states have call predecessors, (57), 10 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) [2023-12-16 11:31:21,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:31:21,447 INFO L93 Difference]: Finished difference Result 243 states and 366 transitions. [2023-12-16 11:31:21,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-16 11:31:21,464 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.444444444444445) internal successors, (80), 18 states have internal predecessors, (80), 4 states have call successors, (57), 4 states have call predecessors, (57), 10 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) Word has length 290 [2023-12-16 11:31:21,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:31:21,466 INFO L225 Difference]: With dead ends: 243 [2023-12-16 11:31:21,467 INFO L226 Difference]: Without dead ends: 130 [2023-12-16 11:31:21,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 598 GetRequests, 564 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=369, Invalid=821, Unknown=0, NotChecked=0, Total=1190 [2023-12-16 11:31:21,468 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 157 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-16 11:31:21,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 334 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [230 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-16 11:31:21,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2023-12-16 11:31:21,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 126. [2023-12-16 11:31:21,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 72 states have (on average 1.2361111111111112) internal successors, (89), 72 states have internal predecessors, (89), 48 states have call successors, (48), 5 states have call predecessors, (48), 5 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-12-16 11:31:21,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 185 transitions. [2023-12-16 11:31:21,484 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 185 transitions. Word has length 290 [2023-12-16 11:31:21,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:31:21,484 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 185 transitions. [2023-12-16 11:31:21,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.444444444444445) internal successors, (80), 18 states have internal predecessors, (80), 4 states have call successors, (57), 4 states have call predecessors, (57), 10 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) [2023-12-16 11:31:21,485 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 185 transitions. [2023-12-16 11:31:21,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2023-12-16 11:31:21,498 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:31:21,498 INFO L195 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:31:21,515 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 11:31:21,711 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 11:31:21,712 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:31:21,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:31:21,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1976386224, now seen corresponding path program 1 times [2023-12-16 11:31:21,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:31:21,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [935126548] [2023-12-16 11:31:21,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:31:21,714 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 11:31:21,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:31:21,715 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 11:31:21,735 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 11:31:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:31:22,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-16 11:31:22,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-16 11:32:28,379 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 11:32:28,379 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 11:32:29,391 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 11:32:29,588 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 11:32:29,607 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 11:32:29,608 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 291 with TraceHistMax 48,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-16 11:32:29,611 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-16 11:32:29,612 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 11:32:29,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 11:32:29 BoogieIcfgContainer [2023-12-16 11:32:29,614 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 11:32:29,614 INFO L158 Benchmark]: Toolchain (without parser) took 78749.71ms. Allocated memory was 282.1MB in the beginning and 338.7MB in the end (delta: 56.6MB). Free memory was 232.3MB in the beginning and 155.4MB in the end (delta: 76.9MB). Peak memory consumption was 134.5MB. Max. memory is 8.0GB. [2023-12-16 11:32:29,614 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 199.2MB. Free memory was 151.5MB in the beginning and 151.3MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 11:32:29,614 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.20ms. Allocated memory is still 282.1MB. Free memory was 232.0MB in the beginning and 214.1MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-16 11:32:29,614 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.05ms. Allocated memory is still 282.1MB. Free memory was 214.1MB in the beginning and 211.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 11:32:29,615 INFO L158 Benchmark]: Boogie Preprocessor took 35.60ms. Allocated memory is still 282.1MB. Free memory was 211.0MB in the beginning and 206.5MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 11:32:29,615 INFO L158 Benchmark]: RCFGBuilder took 1949.36ms. Allocated memory is still 282.1MB. Free memory was 206.5MB in the beginning and 234.1MB in the end (delta: -27.6MB). Peak memory consumption was 21.3MB. Max. memory is 8.0GB. [2023-12-16 11:32:29,615 INFO L158 Benchmark]: TraceAbstraction took 76444.58ms. Allocated memory was 282.1MB in the beginning and 338.7MB in the end (delta: 56.6MB). Free memory was 233.0MB in the beginning and 155.4MB in the end (delta: 77.6MB). Peak memory consumption was 134.2MB. Max. memory is 8.0GB. [2023-12-16 11:32:29,616 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks [2023-12-16 11:32:29,627 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 Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 199.2MB. Free memory was 151.5MB in the beginning and 151.3MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 273.20ms. Allocated memory is still 282.1MB. Free memory was 232.0MB in the beginning and 214.1MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.05ms. Allocated memory is still 282.1MB. Free memory was 214.1MB in the beginning and 211.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.60ms. Allocated memory is still 282.1MB. Free memory was 211.0MB in the beginning and 206.5MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1949.36ms. Allocated memory is still 282.1MB. Free memory was 206.5MB in the beginning and 234.1MB in the end (delta: -27.6MB). Peak memory consumption was 21.3MB. Max. memory is 8.0GB. * TraceAbstraction took 76444.58ms. Allocated memory was 282.1MB in the beginning and 338.7MB in the end (delta: 56.6MB). Free memory was 233.0MB in the beginning and 155.4MB in the end (delta: 77.6MB). Peak memory consumption was 134.2MB. 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 291 with TraceHistMax 48,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 112 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 76.4s, OverallIterations: 4, TraceHistogramMax: 48, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 315 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 271 mSDsluCounter, 768 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 357 mSDsCounter, 243 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 647 IncrementalHoareTripleChecker+Invalid, 890 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 243 mSolverCounterUnsat, 411 mSDtfsCounter, 647 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1508 GetRequests, 1466 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126occurred in iteration=3, InterpolantAutomatonStates: 29, 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, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1157 NumberOfCodeBlocks, 1157 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 1442 ConstructedInterpolants, 0 QuantifiedInterpolants, 2479 SizeOfPredicates, 15 NumberOfNonLiveVariables, 1857 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 22425/22560 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