/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-250_file-59.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 11:06:58,253 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 11:06:58,288 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 11:06:58,291 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 11:06:58,291 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 11:06:58,307 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 11:06:58,308 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 11:06:58,308 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 11:06:58,308 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 11:06:58,309 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 11:06:58,309 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 11:06:58,309 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 11:06:58,309 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 11:06:58,310 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 11:06:58,310 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 11:06:58,310 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 11:06:58,310 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 11:06:58,311 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 11:06:58,311 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 11:06:58,311 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 11:06:58,311 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 11:06:58,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 11:06:58,312 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 11:06:58,312 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 11:06:58,312 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 11:06:58,312 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 11:06:58,312 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 11:06:58,313 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 11:06:58,313 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 11:06:58,313 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 11:06:58,313 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 11:06:58,313 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 11:06:58,313 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 11:06:58,314 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 11:06:58,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 11:06:58,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 11:06:58,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 11:06:58,314 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 11:06:58,314 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 11:06:58,314 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 11:06:58,314 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 11:06:58,315 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 11:06:58,315 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 11:06:58,315 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 11:06:58,315 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 11:06:58,315 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 11:06:58,315 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 11:06:58,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 11:06:58,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 11:06:58,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 11:06:58,463 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 11:06:58,463 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 11:06:58,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-59.i [2023-12-16 11:06:59,514 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 11:06:59,734 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 11:06:59,734 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-59.i [2023-12-16 11:06:59,758 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0a3c7e91/0ee87fa06125496bb57f2f59016d9d8a/FLAGa9af9d3ff [2023-12-16 11:06:59,768 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0a3c7e91/0ee87fa06125496bb57f2f59016d9d8a [2023-12-16 11:06:59,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 11:06:59,771 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 11:06:59,771 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 11:06:59,771 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 11:06:59,779 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 11:06:59,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 11:06:59" (1/1) ... [2023-12-16 11:06:59,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4278bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:06:59, skipping insertion in model container [2023-12-16 11:06:59,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 11:06:59" (1/1) ... [2023-12-16 11:06:59,818 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 11:06:59,948 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-250_file-59.i[916,929] [2023-12-16 11:07:00,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 11:07:00,075 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 11:07:00,083 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-250_file-59.i[916,929] [2023-12-16 11:07:00,171 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 11:07:00,186 INFO L206 MainTranslator]: Completed translation [2023-12-16 11:07:00,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:07:00 WrapperNode [2023-12-16 11:07:00,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 11:07:00,187 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 11:07:00,187 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 11:07:00,187 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 11:07:00,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:07:00" (1/1) ... [2023-12-16 11:07:00,208 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:07:00" (1/1) ... [2023-12-16 11:07:00,248 INFO L138 Inliner]: procedures = 27, calls = 72, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 404 [2023-12-16 11:07:00,248 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 11:07:00,249 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 11:07:00,249 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 11:07:00,249 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 11:07:00,260 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:07:00" (1/1) ... [2023-12-16 11:07:00,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:07:00" (1/1) ... [2023-12-16 11:07:00,266 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:07:00" (1/1) ... [2023-12-16 11:07:00,288 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 11:07:00,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:07:00" (1/1) ... [2023-12-16 11:07:00,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:07:00" (1/1) ... [2023-12-16 11:07:00,301 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:07:00" (1/1) ... [2023-12-16 11:07:00,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:07:00" (1/1) ... [2023-12-16 11:07:00,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:07:00" (1/1) ... [2023-12-16 11:07:00,310 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:07:00" (1/1) ... [2023-12-16 11:07:00,315 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 11:07:00,316 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 11:07:00,316 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 11:07:00,316 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 11:07:00,317 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:07:00" (1/1) ... [2023-12-16 11:07:00,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 11:07:00,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 11:07:00,353 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 11:07:00,370 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 11:07:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 11:07:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 11:07:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 11:07:00,395 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 11:07:00,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 11:07:00,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 11:07:00,478 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 11:07:00,479 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 11:07:03,851 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 11:07:03,905 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 11:07:03,905 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 11:07:03,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:07:03 BoogieIcfgContainer [2023-12-16 11:07:03,905 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 11:07:03,907 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 11:07:03,907 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 11:07:03,909 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 11:07:03,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 11:06:59" (1/3) ... [2023-12-16 11:07:03,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@656f0b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:07:03, skipping insertion in model container [2023-12-16 11:07:03,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:07:00" (2/3) ... [2023-12-16 11:07:03,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@656f0b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:07:03, skipping insertion in model container [2023-12-16 11:07:03,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:07:03" (3/3) ... [2023-12-16 11:07:03,911 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-250_file-59.i [2023-12-16 11:07:03,922 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 11:07:03,923 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 11:07:03,961 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 11:07:03,966 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;@46b687d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 11:07:03,966 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 11:07:03,970 INFO L276 IsEmpty]: Start isEmpty. Operand has 173 states, 111 states have (on average 1.5765765765765767) internal successors, (175), 112 states have internal predecessors, (175), 59 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2023-12-16 11:07:03,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2023-12-16 11:07:03,985 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:07:03,985 INFO L195 NwaCegarLoop]: trace histogram [59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:07:03,986 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:07:03,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:07:03,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1990422721, now seen corresponding path program 1 times [2023-12-16 11:07:03,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:07:03,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [10062765] [2023-12-16 11:07:03,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:07:04,000 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 11:07:04,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:07:04,013 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 11:07:04,063 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 11:07:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:07:04,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 11:07:04,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:07:04,611 INFO L134 CoverageAnalysis]: Checked inductivity of 6844 backedges. 2324 proven. 0 refuted. 0 times theorem prover too weak. 4520 trivial. 0 not checked. [2023-12-16 11:07:04,612 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 11:07:04,612 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:07:04,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [10062765] [2023-12-16 11:07:04,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [10062765] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 11:07:04,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 11:07:04,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 11:07:04,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767118364] [2023-12-16 11:07:04,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 11:07:04,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 11:07:04,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:07:04,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 11:07:04,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 11:07:04,638 INFO L87 Difference]: Start difference. First operand has 173 states, 111 states have (on average 1.5765765765765767) internal successors, (175), 112 states have internal predecessors, (175), 59 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) Second operand has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2023-12-16 11:07:05,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:07:05,041 INFO L93 Difference]: Finished difference Result 343 states and 643 transitions. [2023-12-16 11:07:05,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 11:07:05,060 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 373 [2023-12-16 11:07:05,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:07:05,066 INFO L225 Difference]: With dead ends: 343 [2023-12-16 11:07:05,066 INFO L226 Difference]: Without dead ends: 171 [2023-12-16 11:07:05,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 372 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 11:07:05,072 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 11:07:05,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 284 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 11:07:05,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-12-16 11:07:05,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2023-12-16 11:07:05,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 110 states have (on average 1.5363636363636364) internal successors, (169), 110 states have internal predecessors, (169), 59 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2023-12-16 11:07:05,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 287 transitions. [2023-12-16 11:07:05,140 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 287 transitions. Word has length 373 [2023-12-16 11:07:05,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:07:05,140 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 287 transitions. [2023-12-16 11:07:05,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2023-12-16 11:07:05,140 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 287 transitions. [2023-12-16 11:07:05,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2023-12-16 11:07:05,145 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:07:05,146 INFO L195 NwaCegarLoop]: trace histogram [59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:07:05,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-16 11:07:05,362 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 11:07:05,363 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:07:05,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:07:05,364 INFO L85 PathProgramCache]: Analyzing trace with hash -2145248075, now seen corresponding path program 1 times [2023-12-16 11:07:05,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:07:05,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [288120816] [2023-12-16 11:07:05,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:07:05,365 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 11:07:05,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:07:05,367 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 11:07:05,369 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 11:07:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:07:05,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-16 11:07:05,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:07:06,964 INFO L134 CoverageAnalysis]: Checked inductivity of 6844 backedges. 2822 proven. 246 refuted. 0 times theorem prover too weak. 3776 trivial. 0 not checked. [2023-12-16 11:07:06,965 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 11:07:07,349 INFO L134 CoverageAnalysis]: Checked inductivity of 6844 backedges. 48 proven. 126 refuted. 0 times theorem prover too weak. 6670 trivial. 0 not checked. [2023-12-16 11:07:07,349 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:07:07,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [288120816] [2023-12-16 11:07:07,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [288120816] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 11:07:07,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 11:07:07,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2023-12-16 11:07:07,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540817205] [2023-12-16 11:07:07,350 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 11:07:07,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-16 11:07:07,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:07:07,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-16 11:07:07,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2023-12-16 11:07:07,354 INFO L87 Difference]: Start difference. First operand 171 states and 287 transitions. Second operand has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 10 states have internal predecessors, (125), 4 states have call successors, (101), 3 states have call predecessors, (101), 5 states have return successors, (102), 4 states have call predecessors, (102), 4 states have call successors, (102) [2023-12-16 11:07:09,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:07:09,756 INFO L93 Difference]: Finished difference Result 351 states and 581 transitions. [2023-12-16 11:07:09,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 11:07:09,784 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 10 states have internal predecessors, (125), 4 states have call successors, (101), 3 states have call predecessors, (101), 5 states have return successors, (102), 4 states have call predecessors, (102), 4 states have call successors, (102) Word has length 373 [2023-12-16 11:07:09,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:07:09,787 INFO L225 Difference]: With dead ends: 351 [2023-12-16 11:07:09,787 INFO L226 Difference]: Without dead ends: 181 [2023-12-16 11:07:09,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 749 GetRequests, 735 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=148, Unknown=0, NotChecked=0, Total=240 [2023-12-16 11:07:09,789 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 424 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-16 11:07:09,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [440 Valid, 452 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-16 11:07:09,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2023-12-16 11:07:09,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 179. [2023-12-16 11:07:09,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 116 states have (on average 1.5) internal successors, (174), 116 states have internal predecessors, (174), 59 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2023-12-16 11:07:09,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 292 transitions. [2023-12-16 11:07:09,826 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 292 transitions. Word has length 373 [2023-12-16 11:07:09,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:07:09,828 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 292 transitions. [2023-12-16 11:07:09,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 10 states have internal predecessors, (125), 4 states have call successors, (101), 3 states have call predecessors, (101), 5 states have return successors, (102), 4 states have call predecessors, (102), 4 states have call successors, (102) [2023-12-16 11:07:09,831 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 292 transitions. [2023-12-16 11:07:09,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2023-12-16 11:07:09,840 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:07:09,841 INFO L195 NwaCegarLoop]: trace histogram [59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:07:09,861 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 11:07:10,061 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 11:07:10,062 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:07:10,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:07:10,062 INFO L85 PathProgramCache]: Analyzing trace with hash -154594784, now seen corresponding path program 1 times [2023-12-16 11:07:10,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:07:10,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1279960426] [2023-12-16 11:07:10,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:07:10,063 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 11:07:10,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:07:10,065 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 11:07:10,066 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 11:07:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:07:10,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 11:07:10,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:07:11,060 INFO L134 CoverageAnalysis]: Checked inductivity of 6844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6844 trivial. 0 not checked. [2023-12-16 11:07:11,061 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 11:07:11,061 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:07:11,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1279960426] [2023-12-16 11:07:11,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1279960426] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 11:07:11,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 11:07:11,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 11:07:11,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49291668] [2023-12-16 11:07:11,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 11:07:11,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 11:07:11,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:07:11,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 11:07:11,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 11:07:11,063 INFO L87 Difference]: Start difference. First operand 179 states and 292 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2023-12-16 11:07:12,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:07:12,128 INFO L93 Difference]: Finished difference Result 536 states and 875 transitions. [2023-12-16 11:07:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 11:07:12,147 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) Word has length 374 [2023-12-16 11:07:12,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:07:12,151 INFO L225 Difference]: With dead ends: 536 [2023-12-16 11:07:12,151 INFO L226 Difference]: Without dead ends: 358 [2023-12-16 11:07:12,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 11:07:12,152 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 240 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-16 11:07:12,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 845 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-16 11:07:12,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2023-12-16 11:07:12,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 340. [2023-12-16 11:07:12,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 215 states have (on average 1.4883720930232558) internal successors, (320), 215 states have internal predecessors, (320), 118 states have call successors, (118), 6 states have call predecessors, (118), 6 states have return successors, (118), 118 states have call predecessors, (118), 118 states have call successors, (118) [2023-12-16 11:07:12,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 556 transitions. [2023-12-16 11:07:12,228 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 556 transitions. Word has length 374 [2023-12-16 11:07:12,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:07:12,230 INFO L495 AbstractCegarLoop]: Abstraction has 340 states and 556 transitions. [2023-12-16 11:07:12,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2023-12-16 11:07:12,231 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 556 transitions. [2023-12-16 11:07:12,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2023-12-16 11:07:12,233 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:07:12,233 INFO L195 NwaCegarLoop]: trace histogram [59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:07:12,248 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 11:07:12,447 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 11:07:12,448 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:07:12,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:07:12,449 INFO L85 PathProgramCache]: Analyzing trace with hash -727205557, now seen corresponding path program 1 times [2023-12-16 11:07:12,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:07:12,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [567018356] [2023-12-16 11:07:12,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:07:12,450 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 11:07:12,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:07:12,451 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 11:07:12,453 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 11:07:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:07:13,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 11:07:13,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:07:13,518 INFO L134 CoverageAnalysis]: Checked inductivity of 6844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6844 trivial. 0 not checked. [2023-12-16 11:07:13,518 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 11:07:13,518 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:07:13,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [567018356] [2023-12-16 11:07:13,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [567018356] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 11:07:13,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 11:07:13,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 11:07:13,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418795928] [2023-12-16 11:07:13,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 11:07:13,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 11:07:13,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:07:13,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 11:07:13,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 11:07:13,520 INFO L87 Difference]: Start difference. First operand 340 states and 556 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2023-12-16 11:07:14,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:07:14,892 INFO L93 Difference]: Finished difference Result 705 states and 1149 transitions. [2023-12-16 11:07:14,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 11:07:14,909 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) Word has length 375 [2023-12-16 11:07:14,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:07:14,912 INFO L225 Difference]: With dead ends: 705 [2023-12-16 11:07:14,912 INFO L226 Difference]: Without dead ends: 527 [2023-12-16 11:07:14,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 11:07:14,914 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 263 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-16 11:07:14,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 833 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-16 11:07:14,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2023-12-16 11:07:14,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 516. [2023-12-16 11:07:14,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 329 states have (on average 1.4893617021276595) internal successors, (490), 329 states have internal predecessors, (490), 177 states have call successors, (177), 9 states have call predecessors, (177), 9 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) [2023-12-16 11:07:14,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 844 transitions. [2023-12-16 11:07:14,994 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 844 transitions. Word has length 375 [2023-12-16 11:07:14,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:07:14,995 INFO L495 AbstractCegarLoop]: Abstraction has 516 states and 844 transitions. [2023-12-16 11:07:14,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2023-12-16 11:07:14,995 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 844 transitions. [2023-12-16 11:07:14,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2023-12-16 11:07:14,998 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:07:14,998 INFO L195 NwaCegarLoop]: trace histogram [59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:07:15,016 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 11:07:15,208 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 11:07:15,209 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:07:15,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:07:15,209 INFO L85 PathProgramCache]: Analyzing trace with hash 634752553, now seen corresponding path program 1 times [2023-12-16 11:07:15,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:07:15,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1727918656] [2023-12-16 11:07:15,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:07:15,214 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 11:07:15,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:07:15,217 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 11:07:15,219 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 11:07:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:07:15,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-16 11:07:15,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:07:16,151 INFO L134 CoverageAnalysis]: Checked inductivity of 6844 backedges. 2290 proven. 138 refuted. 0 times theorem prover too weak. 4416 trivial. 0 not checked. [2023-12-16 11:07:16,151 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 11:07:16,466 INFO L134 CoverageAnalysis]: Checked inductivity of 6844 backedges. 36 proven. 138 refuted. 0 times theorem prover too weak. 6670 trivial. 0 not checked. [2023-12-16 11:07:16,466 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:07:16,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1727918656] [2023-12-16 11:07:16,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1727918656] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 11:07:16,467 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 11:07:16,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-12-16 11:07:16,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338246688] [2023-12-16 11:07:16,467 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 11:07:16,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 11:07:16,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:07:16,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 11:07:16,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-16 11:07:16,472 INFO L87 Difference]: Start difference. First operand 516 states and 844 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 2 states have call successors, (105), 2 states have call predecessors, (105), 4 states have return successors, (106), 2 states have call predecessors, (106), 2 states have call successors, (106) [2023-12-16 11:07:18,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:07:18,695 INFO L93 Difference]: Finished difference Result 1075 states and 1737 transitions. [2023-12-16 11:07:18,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 11:07:18,695 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 2 states have call successors, (105), 2 states have call predecessors, (105), 4 states have return successors, (106), 2 states have call predecessors, (106), 2 states have call successors, (106) Word has length 376 [2023-12-16 11:07:18,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:07:18,699 INFO L225 Difference]: With dead ends: 1075 [2023-12-16 11:07:18,699 INFO L226 Difference]: Without dead ends: 721 [2023-12-16 11:07:18,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 761 GetRequests, 744 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2023-12-16 11:07:18,701 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 417 mSDsluCounter, 802 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 1217 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-16 11:07:18,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 1217 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-16 11:07:18,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2023-12-16 11:07:18,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 537. [2023-12-16 11:07:18,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 347 states have (on average 1.4668587896253602) internal successors, (509), 347 states have internal predecessors, (509), 177 states have call successors, (177), 12 states have call predecessors, (177), 12 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) [2023-12-16 11:07:18,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 863 transitions. [2023-12-16 11:07:18,742 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 863 transitions. Word has length 376 [2023-12-16 11:07:18,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:07:18,745 INFO L495 AbstractCegarLoop]: Abstraction has 537 states and 863 transitions. [2023-12-16 11:07:18,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 8 states have internal predecessors, (93), 2 states have call successors, (105), 2 states have call predecessors, (105), 4 states have return successors, (106), 2 states have call predecessors, (106), 2 states have call successors, (106) [2023-12-16 11:07:18,749 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 863 transitions. [2023-12-16 11:07:18,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2023-12-16 11:07:18,750 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:07:18,751 INFO L195 NwaCegarLoop]: trace histogram [59, 59, 59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:07:18,765 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 11:07:18,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /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 11:07:18,965 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:07:18,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:07:18,966 INFO L85 PathProgramCache]: Analyzing trace with hash 577494251, now seen corresponding path program 1 times [2023-12-16 11:07:18,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:07:18,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [76445581] [2023-12-16 11:07:18,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:07:18,967 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 11:07:18,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:07:18,969 INFO L229 MonitoredProcess]: Starting monitored process 7 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 11:07:18,971 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 (7)] Waiting until timeout for monitored process [2023-12-16 11:07:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:07:19,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-16 11:07:19,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:07:27,836 INFO L134 CoverageAnalysis]: Checked inductivity of 6844 backedges. 903 proven. 630 refuted. 0 times theorem prover too weak. 5311 trivial. 0 not checked. [2023-12-16 11:07:27,836 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 11:07:47,317 WARN L293 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-12-16 11:08:15,562 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 11:08:15,590 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 (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 11:08:16,580 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 11:08:16,619 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 (7)] Forceful destruction successful, exit code 0 [2023-12-16 11:08:16,763 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 11:08:16,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /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 11:08:16,782 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 377 with TraceHistMax 59,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 21 known predicates. [2023-12-16 11:08:16,785 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-12-16 11:08:16,787 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 11:08:16,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 11:08:16 BoogieIcfgContainer [2023-12-16 11:08:16,788 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 11:08:16,788 INFO L158 Benchmark]: Toolchain (without parser) took 77017.87ms. Allocated memory was 281.0MB in the beginning and 337.6MB in the end (delta: 56.6MB). Free memory was 237.8MB in the beginning and 204.0MB in the end (delta: 33.8MB). Peak memory consumption was 91.8MB. Max. memory is 8.0GB. [2023-12-16 11:08:16,788 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 178.3MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 11:08:16,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.48ms. Allocated memory is still 281.0MB. Free memory was 237.3MB in the beginning and 214.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2023-12-16 11:08:16,789 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.75ms. Allocated memory is still 281.0MB. Free memory was 214.2MB in the beginning and 210.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 11:08:16,789 INFO L158 Benchmark]: Boogie Preprocessor took 66.69ms. Allocated memory is still 281.0MB. Free memory was 210.0MB in the beginning and 203.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-16 11:08:16,789 INFO L158 Benchmark]: RCFGBuilder took 3589.58ms. Allocated memory is still 281.0MB. Free memory was 203.7MB in the beginning and 158.6MB in the end (delta: 45.1MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. [2023-12-16 11:08:16,789 INFO L158 Benchmark]: TraceAbstraction took 72881.07ms. Allocated memory was 281.0MB in the beginning and 337.6MB in the end (delta: 56.6MB). Free memory was 158.1MB in the beginning and 204.0MB in the end (delta: -45.9MB). Peak memory consumption was 12.1MB. Max. memory is 8.0GB. [2023-12-16 11:08:16,790 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks [2023-12-16 11:08:16,811 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 0.09ms. Allocated memory is still 178.3MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 415.48ms. Allocated memory is still 281.0MB. Free memory was 237.3MB in the beginning and 214.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 60.75ms. Allocated memory is still 281.0MB. Free memory was 214.2MB in the beginning and 210.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 66.69ms. Allocated memory is still 281.0MB. Free memory was 210.0MB in the beginning and 203.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 3589.58ms. Allocated memory is still 281.0MB. Free memory was 203.7MB in the beginning and 158.6MB in the end (delta: 45.1MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. * TraceAbstraction took 72881.07ms. Allocated memory was 281.0MB in the beginning and 337.6MB in the end (delta: 56.6MB). Free memory was 158.1MB in the beginning and 204.0MB in the end (delta: -45.9MB). Peak memory consumption was 12.1MB. 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 377 with TraceHistMax 59,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 21 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 173 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 72.8s, OverallIterations: 6, TraceHistogramMax: 59, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1373 SdHoareTripleChecker+Valid, 7.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1344 mSDsluCounter, 3631 SdHoareTripleChecker+Invalid, 6.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2183 mSDsCounter, 496 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1108 IncrementalHoareTripleChecker+Invalid, 1604 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 496 mSolverCounterUnsat, 1448 mSDtfsCounter, 1108 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2631 GetRequests, 2594 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=537occurred in iteration=5, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 215 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1871 NumberOfCodeBlocks, 1871 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 2613 ConstructedInterpolants, 0 QuantifiedInterpolants, 6958 SizeOfPredicates, 10 NumberOfNonLiveVariables, 3043 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 47260/47908 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