./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-34.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-34.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 56ab96e739c021e0a820f09f7d8df07ac4eb08fdb70334870660d3f078d5cedf --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 01:24:32,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 01:24:32,243 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 01:24:32,248 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 01:24:32,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 01:24:32,281 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 01:24:32,283 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 01:24:32,283 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 01:24:32,284 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 01:24:32,284 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 01:24:32,284 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 01:24:32,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 01:24:32,285 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 01:24:32,286 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 01:24:32,286 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 01:24:32,286 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 01:24:32,287 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 01:24:32,287 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 01:24:32,287 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 01:24:32,288 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 01:24:32,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 01:24:32,289 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 01:24:32,289 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 01:24:32,289 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 01:24:32,290 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 01:24:32,290 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 01:24:32,290 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 01:24:32,291 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 01:24:32,291 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 01:24:32,291 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 01:24:32,292 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 01:24:32,292 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 01:24:32,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 01:24:32,293 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 01:24:32,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 01:24:32,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 01:24:32,294 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 01:24:32,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 01:24:32,294 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 01:24:32,294 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 01:24:32,295 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 01:24:32,296 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 01:24:32,296 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56ab96e739c021e0a820f09f7d8df07ac4eb08fdb70334870660d3f078d5cedf [2024-10-13 01:24:32,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 01:24:32,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 01:24:32,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 01:24:32,617 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 01:24:32,617 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 01:24:32,618 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-34.i [2024-10-13 01:24:34,031 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 01:24:34,221 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 01:24:34,226 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-34.i [2024-10-13 01:24:34,242 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f40f7f32/f5a3246587b241ff9914b77c3813ff59/FLAGe74301033 [2024-10-13 01:24:34,256 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f40f7f32/f5a3246587b241ff9914b77c3813ff59 [2024-10-13 01:24:34,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 01:24:34,259 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 01:24:34,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 01:24:34,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 01:24:34,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 01:24:34,265 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:24:34" (1/1) ... [2024-10-13 01:24:34,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@453410a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:34, skipping insertion in model container [2024-10-13 01:24:34,266 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:24:34" (1/1) ... [2024-10-13 01:24:34,299 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 01:24:34,476 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-34.i[915,928] [2024-10-13 01:24:34,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 01:24:34,562 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 01:24:34,573 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-34.i[915,928] [2024-10-13 01:24:34,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 01:24:34,664 INFO L204 MainTranslator]: Completed translation [2024-10-13 01:24:34,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:34 WrapperNode [2024-10-13 01:24:34,665 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 01:24:34,666 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 01:24:34,666 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 01:24:34,667 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 01:24:34,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:34" (1/1) ... [2024-10-13 01:24:34,686 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:34" (1/1) ... [2024-10-13 01:24:34,724 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 266 [2024-10-13 01:24:34,725 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 01:24:34,726 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 01:24:34,726 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 01:24:34,726 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 01:24:34,737 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:34" (1/1) ... [2024-10-13 01:24:34,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:34" (1/1) ... [2024-10-13 01:24:34,742 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:34" (1/1) ... [2024-10-13 01:24:34,766 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]. [2024-10-13 01:24:34,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:34" (1/1) ... [2024-10-13 01:24:34,767 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:34" (1/1) ... [2024-10-13 01:24:34,785 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:34" (1/1) ... [2024-10-13 01:24:34,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:34" (1/1) ... [2024-10-13 01:24:34,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:34" (1/1) ... [2024-10-13 01:24:34,799 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:34" (1/1) ... [2024-10-13 01:24:34,812 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 01:24:34,813 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 01:24:34,813 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 01:24:34,814 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 01:24:34,815 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:34" (1/1) ... [2024-10-13 01:24:34,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 01:24:34,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 01:24:34,850 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) [2024-10-13 01:24:34,854 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 [2024-10-13 01:24:34,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 01:24:34,904 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 01:24:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 01:24:34,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 01:24:34,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 01:24:34,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 01:24:35,061 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 01:24:35,067 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 01:24:35,604 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-10-13 01:24:35,604 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 01:24:35,633 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 01:24:35,633 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 01:24:35,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:24:35 BoogieIcfgContainer [2024-10-13 01:24:35,634 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 01:24:35,638 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 01:24:35,638 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 01:24:35,641 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 01:24:35,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:24:34" (1/3) ... [2024-10-13 01:24:35,642 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e2dd5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:24:35, skipping insertion in model container [2024-10-13 01:24:35,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:24:34" (2/3) ... [2024-10-13 01:24:35,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32e2dd5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:24:35, skipping insertion in model container [2024-10-13 01:24:35,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:24:35" (3/3) ... [2024-10-13 01:24:35,644 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-34.i [2024-10-13 01:24:35,660 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 01:24:35,660 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 01:24:35,727 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 01:24:35,735 INFO L333 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, 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;@7adbc71f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 01:24:35,736 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 01:24:35,741 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 70 states have (on average 1.5142857142857142) internal successors, (106), 71 states have internal predecessors, (106), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-13 01:24:35,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-10-13 01:24:35,758 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:24:35,759 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:24:35,759 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:24:35,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:24:35,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1482916598, now seen corresponding path program 1 times [2024-10-13 01:24:35,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:24:35,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737964438] [2024-10-13 01:24:35,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:24:35,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:24:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:24:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:24:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:24:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:24:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:24:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:24:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:24:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:24:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:24:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:24:36,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:24:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:24:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:24:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:24:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:24:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:24:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:24:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:24:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:24:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:24:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:24:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:24:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:24:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:24:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:24:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:24:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:24:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:24:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:24:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:24:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:24:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:24:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:24:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:36,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:24:36,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:24:36,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737964438] [2024-10-13 01:24:36,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737964438] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:24:36,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:24:36,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 01:24:36,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273969554] [2024-10-13 01:24:36,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:24:36,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 01:24:36,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:24:36,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 01:24:36,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 01:24:36,456 INFO L87 Difference]: Start difference. First operand has 106 states, 70 states have (on average 1.5142857142857142) internal successors, (106), 71 states have internal predecessors, (106), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-13 01:24:36,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:24:36,533 INFO L93 Difference]: Finished difference Result 209 states and 375 transitions. [2024-10-13 01:24:36,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 01:24:36,537 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) Word has length 208 [2024-10-13 01:24:36,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:24:36,554 INFO L225 Difference]: With dead ends: 209 [2024-10-13 01:24:36,554 INFO L226 Difference]: Without dead ends: 104 [2024-10-13 01:24:36,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 01:24:36,577 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 01:24:36,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 164 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 01:24:36,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-10-13 01:24:36,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-10-13 01:24:36,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 69 states have (on average 1.463768115942029) internal successors, (101), 69 states have internal predecessors, (101), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-13 01:24:36,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 167 transitions. [2024-10-13 01:24:36,636 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 167 transitions. Word has length 208 [2024-10-13 01:24:36,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:24:36,638 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 167 transitions. [2024-10-13 01:24:36,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-13 01:24:36,639 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 167 transitions. [2024-10-13 01:24:36,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-10-13 01:24:36,645 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:24:36,645 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:24:36,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 01:24:36,646 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:24:36,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:24:36,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1719169072, now seen corresponding path program 1 times [2024-10-13 01:24:36,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:24:36,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203075836] [2024-10-13 01:24:36,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:24:36,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:24:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:24:37,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:24:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:24:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:24:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:24:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:24:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:24:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:24:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:24:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:24:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:24:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:24:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:24:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:24:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:24:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:24:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:24:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:24:37,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:24:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:24:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:24:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:24:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:24:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:24:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:24:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:24:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:24:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:24:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:24:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:24:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:24:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:24:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:24:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:37,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:24:37,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:24:37,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203075836] [2024-10-13 01:24:37,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203075836] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:24:37,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:24:37,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 01:24:37,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147552333] [2024-10-13 01:24:37,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:24:37,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 01:24:37,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:24:37,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 01:24:37,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 01:24:37,451 INFO L87 Difference]: Start difference. First operand 104 states and 167 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 01:24:37,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:24:37,742 INFO L93 Difference]: Finished difference Result 339 states and 543 transitions. [2024-10-13 01:24:37,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 01:24:37,743 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 208 [2024-10-13 01:24:37,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:24:37,752 INFO L225 Difference]: With dead ends: 339 [2024-10-13 01:24:37,752 INFO L226 Difference]: Without dead ends: 236 [2024-10-13 01:24:37,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 01:24:37,757 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 166 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 01:24:37,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 519 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 01:24:37,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-10-13 01:24:37,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 207. [2024-10-13 01:24:37,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 138 states have (on average 1.4565217391304348) internal successors, (201), 138 states have internal predecessors, (201), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 01:24:37,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 333 transitions. [2024-10-13 01:24:37,820 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 333 transitions. Word has length 208 [2024-10-13 01:24:37,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:24:37,824 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 333 transitions. [2024-10-13 01:24:37,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 01:24:37,824 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 333 transitions. [2024-10-13 01:24:37,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-10-13 01:24:37,832 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:24:37,833 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:24:37,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 01:24:37,833 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:24:37,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:24:37,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1262915964, now seen corresponding path program 1 times [2024-10-13 01:24:37,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:24:37,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551097644] [2024-10-13 01:24:37,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:24:37,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:24:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:24:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:24:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:24:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:24:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:24:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:24:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:24:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:24:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:24:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:24:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:24:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:24:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:24:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:24:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:24:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:24:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:24:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:24:38,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:24:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:24:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:24:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:24:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:24:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:24:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:24:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:24:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:24:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:24:38,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:24:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:24:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:24:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:24:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:24:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:38,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:24:38,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:24:38,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551097644] [2024-10-13 01:24:38,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551097644] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:24:38,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:24:38,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 01:24:38,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665038613] [2024-10-13 01:24:38,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:24:38,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 01:24:38,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:24:38,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 01:24:38,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 01:24:38,378 INFO L87 Difference]: Start difference. First operand 207 states and 333 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 01:24:38,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:24:38,736 INFO L93 Difference]: Finished difference Result 614 states and 986 transitions. [2024-10-13 01:24:38,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 01:24:38,737 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 209 [2024-10-13 01:24:38,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:24:38,741 INFO L225 Difference]: With dead ends: 614 [2024-10-13 01:24:38,741 INFO L226 Difference]: Without dead ends: 408 [2024-10-13 01:24:38,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 01:24:38,743 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 192 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 01:24:38,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 609 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 01:24:38,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-10-13 01:24:38,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 211. [2024-10-13 01:24:38,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 142 states have (on average 1.443661971830986) internal successors, (205), 142 states have internal predecessors, (205), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-13 01:24:38,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 337 transitions. [2024-10-13 01:24:38,789 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 337 transitions. Word has length 209 [2024-10-13 01:24:38,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:24:38,790 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 337 transitions. [2024-10-13 01:24:38,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 01:24:38,791 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 337 transitions. [2024-10-13 01:24:38,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-13 01:24:38,793 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:24:38,793 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:24:38,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 01:24:38,794 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:24:38,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:24:38,794 INFO L85 PathProgramCache]: Analyzing trace with hash -58348376, now seen corresponding path program 1 times [2024-10-13 01:24:38,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:24:38,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107445697] [2024-10-13 01:24:38,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:24:38,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:24:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:24:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:24:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:24:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:24:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:24:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:24:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:24:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:24:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:24:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:24:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:24:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:24:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:24:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:24:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:24:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:24:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:24:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:24:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:24:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:24:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:24:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:24:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:24:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:24:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:24:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:24:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:24:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:24:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:24:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:24:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:24:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:24:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:24:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:49,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:24:49,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:24:49,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107445697] [2024-10-13 01:24:49,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107445697] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:24:49,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:24:49,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-13 01:24:49,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12034152] [2024-10-13 01:24:49,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:24:49,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 01:24:49,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:24:49,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 01:24:49,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-10-13 01:24:49,554 INFO L87 Difference]: Start difference. First operand 211 states and 337 transitions. Second operand has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 01:24:53,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:24:53,208 INFO L93 Difference]: Finished difference Result 791 states and 1219 transitions. [2024-10-13 01:24:53,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 01:24:53,209 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210 [2024-10-13 01:24:53,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:24:53,215 INFO L225 Difference]: With dead ends: 791 [2024-10-13 01:24:53,215 INFO L226 Difference]: Without dead ends: 581 [2024-10-13 01:24:53,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2024-10-13 01:24:53,218 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 726 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-13 01:24:53,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [726 Valid, 893 Invalid, 929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-13 01:24:53,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-10-13 01:24:53,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 381. [2024-10-13 01:24:53,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 278 states have (on average 1.4388489208633093) internal successors, (400), 278 states have internal predecessors, (400), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-13 01:24:53,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 598 transitions. [2024-10-13 01:24:53,302 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 598 transitions. Word has length 210 [2024-10-13 01:24:53,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:24:53,303 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 598 transitions. [2024-10-13 01:24:53,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 01:24:53,304 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 598 transitions. [2024-10-13 01:24:53,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-13 01:24:53,306 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:24:53,306 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:24:53,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 01:24:53,307 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:24:53,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:24:53,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1090074, now seen corresponding path program 1 times [2024-10-13 01:24:53,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:24:53,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874289313] [2024-10-13 01:24:53,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:24:53,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:24:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:24:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:24:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:24:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:24:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:24:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:24:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:24:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:24:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:24:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:24:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:24:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:24:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:24:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:24:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:24:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:24:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:24:55,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:24:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:24:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:24:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:24:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:24:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:24:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:24:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:24:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:24:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:24:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:24:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:24:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:24:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:24:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:24:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:24:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:55,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:24:55,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:24:55,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874289313] [2024-10-13 01:24:55,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874289313] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:24:55,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:24:55,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 01:24:55,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874479783] [2024-10-13 01:24:55,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:24:55,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 01:24:55,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:24:55,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 01:24:55,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-13 01:24:55,691 INFO L87 Difference]: Start difference. First operand 381 states and 598 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 01:24:57,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:24:57,128 INFO L93 Difference]: Finished difference Result 812 states and 1266 transitions. [2024-10-13 01:24:57,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 01:24:57,129 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210 [2024-10-13 01:24:57,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:24:57,133 INFO L225 Difference]: With dead ends: 812 [2024-10-13 01:24:57,134 INFO L226 Difference]: Without dead ends: 586 [2024-10-13 01:24:57,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-10-13 01:24:57,135 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 395 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-13 01:24:57,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 712 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-13 01:24:57,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2024-10-13 01:24:57,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 426. [2024-10-13 01:24:57,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 323 states have (on average 1.4272445820433437) internal successors, (461), 323 states have internal predecessors, (461), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-13 01:24:57,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 659 transitions. [2024-10-13 01:24:57,185 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 659 transitions. Word has length 210 [2024-10-13 01:24:57,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:24:57,186 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 659 transitions. [2024-10-13 01:24:57,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 01:24:57,187 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 659 transitions. [2024-10-13 01:24:57,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-13 01:24:57,190 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:24:57,190 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:24:57,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 01:24:57,190 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:24:57,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:24:57,191 INFO L85 PathProgramCache]: Analyzing trace with hash -867695002, now seen corresponding path program 1 times [2024-10-13 01:24:57,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:24:57,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934472218] [2024-10-13 01:24:57,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:24:57,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:24:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:24:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:24:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:24:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:24:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:24:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:24:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:24:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:24:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:24:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:24:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:24:58,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:24:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:24:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:24:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:24:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:24:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:24:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:24:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:24:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:24:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:24:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:24:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:24:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:24:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:24:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:24:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:24:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:24:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:24:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:24:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:24:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:24:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:24:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:24:58,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:24:58,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:24:58,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934472218] [2024-10-13 01:24:58,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934472218] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:24:58,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:24:58,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 01:24:58,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120237332] [2024-10-13 01:24:58,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:24:58,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 01:24:58,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:24:58,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 01:24:58,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-13 01:24:58,899 INFO L87 Difference]: Start difference. First operand 426 states and 659 transitions. Second operand has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-13 01:25:00,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:25:00,108 INFO L93 Difference]: Finished difference Result 800 states and 1229 transitions. [2024-10-13 01:25:00,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 01:25:00,109 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 210 [2024-10-13 01:25:00,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:25:00,114 INFO L225 Difference]: With dead ends: 800 [2024-10-13 01:25:00,114 INFO L226 Difference]: Without dead ends: 576 [2024-10-13 01:25:00,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2024-10-13 01:25:00,116 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 577 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 01:25:00,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 713 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 01:25:00,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2024-10-13 01:25:00,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 482. [2024-10-13 01:25:00,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 379 states have (on average 1.4538258575197889) internal successors, (551), 379 states have internal predecessors, (551), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-13 01:25:00,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 749 transitions. [2024-10-13 01:25:00,156 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 749 transitions. Word has length 210 [2024-10-13 01:25:00,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:25:00,156 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 749 transitions. [2024-10-13 01:25:00,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-13 01:25:00,157 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 749 transitions. [2024-10-13 01:25:00,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-13 01:25:00,159 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:25:00,159 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:25:00,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 01:25:00,160 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:25:00,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:25:00,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1563247575, now seen corresponding path program 1 times [2024-10-13 01:25:00,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:25:00,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578932425] [2024-10-13 01:25:00,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:25:00,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:25:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:25:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:25:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:25:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:25:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:25:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:25:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:25:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:25:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:25:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:25:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:25:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:25:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:25:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:25:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:25:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:25:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:25:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:25:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:25:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:25:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:25:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:25:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:25:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:25:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:25:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:25:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:25:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:25:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:25:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:25:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:25:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:25:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:25:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:01,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:25:01,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:25:01,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578932425] [2024-10-13 01:25:01,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578932425] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:25:01,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:25:01,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 01:25:01,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905164118] [2024-10-13 01:25:01,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:25:01,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 01:25:01,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:25:01,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 01:25:01,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 01:25:01,542 INFO L87 Difference]: Start difference. First operand 482 states and 749 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 01:25:02,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:25:02,030 INFO L93 Difference]: Finished difference Result 858 states and 1329 transitions. [2024-10-13 01:25:02,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 01:25:02,031 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210 [2024-10-13 01:25:02,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:25:02,036 INFO L225 Difference]: With dead ends: 858 [2024-10-13 01:25:02,036 INFO L226 Difference]: Without dead ends: 596 [2024-10-13 01:25:02,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-13 01:25:02,038 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 203 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 01:25:02,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 597 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 01:25:02,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2024-10-13 01:25:02,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 488. [2024-10-13 01:25:02,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 385 states have (on average 1.4415584415584415) internal successors, (555), 385 states have internal predecessors, (555), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-13 01:25:02,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 753 transitions. [2024-10-13 01:25:02,080 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 753 transitions. Word has length 210 [2024-10-13 01:25:02,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:25:02,081 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 753 transitions. [2024-10-13 01:25:02,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 01:25:02,081 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 753 transitions. [2024-10-13 01:25:02,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-13 01:25:02,084 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:25:02,084 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:25:02,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 01:25:02,085 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:25:02,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:25:02,085 INFO L85 PathProgramCache]: Analyzing trace with hash -645154390, now seen corresponding path program 1 times [2024-10-13 01:25:02,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:25:02,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863476416] [2024-10-13 01:25:02,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:25:02,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:25:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:25:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:25:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:25:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:25:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:25:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:25:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:25:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:25:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:25:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:25:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:25:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:25:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:25:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:25:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:25:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:25:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:25:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:25:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:25:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:25:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:25:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:25:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:25:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:25:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:25:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:25:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:25:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:25:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:25:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:25:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:25:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:25:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:25:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:02,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:25:02,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:25:02,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863476416] [2024-10-13 01:25:02,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863476416] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:25:02,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:25:02,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 01:25:02,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695890213] [2024-10-13 01:25:02,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:25:02,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 01:25:02,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:25:02,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 01:25:02,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 01:25:02,588 INFO L87 Difference]: Start difference. First operand 488 states and 753 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 01:25:02,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:25:02,863 INFO L93 Difference]: Finished difference Result 780 states and 1210 transitions. [2024-10-13 01:25:02,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 01:25:02,863 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210 [2024-10-13 01:25:02,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:25:02,866 INFO L225 Difference]: With dead ends: 780 [2024-10-13 01:25:02,867 INFO L226 Difference]: Without dead ends: 476 [2024-10-13 01:25:02,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 01:25:02,868 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 119 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 01:25:02,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 429 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 01:25:02,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2024-10-13 01:25:02,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 450. [2024-10-13 01:25:02,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 347 states have (on average 1.4092219020172911) internal successors, (489), 347 states have internal predecessors, (489), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-13 01:25:02,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 687 transitions. [2024-10-13 01:25:02,914 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 687 transitions. Word has length 210 [2024-10-13 01:25:02,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:25:02,915 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 687 transitions. [2024-10-13 01:25:02,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 01:25:02,918 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 687 transitions. [2024-10-13 01:25:02,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-13 01:25:02,921 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:25:02,921 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:25:02,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 01:25:02,921 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:25:02,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:25:02,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1074386887, now seen corresponding path program 1 times [2024-10-13 01:25:02,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:25:02,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595249830] [2024-10-13 01:25:02,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:25:02,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:25:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:25:05,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:25:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:25:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:25:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:25:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:25:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:25:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:25:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:25:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:25:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:25:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:25:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:25:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:25:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:25:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:25:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:25:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:25:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:25:05,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:25:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:25:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:25:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:25:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:25:05,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:25:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:25:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:25:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:25:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:25:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:25:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:25:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:25:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:25:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:05,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:25:05,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:25:05,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595249830] [2024-10-13 01:25:05,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595249830] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:25:05,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:25:05,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 01:25:05,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778547602] [2024-10-13 01:25:05,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:25:05,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 01:25:05,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:25:05,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 01:25:05,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-13 01:25:05,508 INFO L87 Difference]: Start difference. First operand 450 states and 687 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 01:25:07,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:25:07,879 INFO L93 Difference]: Finished difference Result 846 states and 1282 transitions. [2024-10-13 01:25:07,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 01:25:07,880 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 211 [2024-10-13 01:25:07,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:25:07,884 INFO L225 Difference]: With dead ends: 846 [2024-10-13 01:25:07,884 INFO L226 Difference]: Without dead ends: 636 [2024-10-13 01:25:07,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-10-13 01:25:07,885 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 242 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-13 01:25:07,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 969 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-13 01:25:07,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-10-13 01:25:07,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 474. [2024-10-13 01:25:07,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 369 states have (on average 1.3902439024390243) internal successors, (513), 369 states have internal predecessors, (513), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-13 01:25:07,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 711 transitions. [2024-10-13 01:25:07,934 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 711 transitions. Word has length 211 [2024-10-13 01:25:07,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:25:07,935 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 711 transitions. [2024-10-13 01:25:07,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 01:25:07,935 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 711 transitions. [2024-10-13 01:25:07,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-13 01:25:07,936 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:25:07,937 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:25:07,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 01:25:07,937 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:25:07,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:25:07,937 INFO L85 PathProgramCache]: Analyzing trace with hash -199477549, now seen corresponding path program 1 times [2024-10-13 01:25:07,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:25:07,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426530424] [2024-10-13 01:25:07,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:25:07,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:25:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:25:10,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:25:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:25:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:25:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:25:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:25:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:25:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:25:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:25:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:25:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:25:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:25:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:25:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:25:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:25:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:25:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:25:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:25:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:25:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:25:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:25:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:25:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:25:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:25:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:25:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:25:10,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:25:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:25:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:25:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:25:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:25:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:25:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:25:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:10,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:25:10,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:25:10,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426530424] [2024-10-13 01:25:10,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426530424] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:25:10,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:25:10,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 01:25:10,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883110033] [2024-10-13 01:25:10,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:25:10,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 01:25:10,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:25:10,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 01:25:10,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-13 01:25:10,876 INFO L87 Difference]: Start difference. First operand 474 states and 711 transitions. Second operand has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 01:25:13,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:25:13,461 INFO L93 Difference]: Finished difference Result 1021 states and 1525 transitions. [2024-10-13 01:25:13,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-13 01:25:13,461 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 211 [2024-10-13 01:25:13,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:25:13,466 INFO L225 Difference]: With dead ends: 1021 [2024-10-13 01:25:13,466 INFO L226 Difference]: Without dead ends: 727 [2024-10-13 01:25:13,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=159, Invalid=347, Unknown=0, NotChecked=0, Total=506 [2024-10-13 01:25:13,468 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 391 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-13 01:25:13,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 700 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 698 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-13 01:25:13,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2024-10-13 01:25:13,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 557. [2024-10-13 01:25:13,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 452 states have (on average 1.4026548672566372) internal successors, (634), 452 states have internal predecessors, (634), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-13 01:25:13,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 832 transitions. [2024-10-13 01:25:13,518 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 832 transitions. Word has length 211 [2024-10-13 01:25:13,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:25:13,519 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 832 transitions. [2024-10-13 01:25:13,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 01:25:13,519 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 832 transitions. [2024-10-13 01:25:13,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-13 01:25:13,521 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:25:13,521 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:25:13,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 01:25:13,522 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:25:13,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:25:13,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1008824175, now seen corresponding path program 1 times [2024-10-13 01:25:13,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:25:13,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972882874] [2024-10-13 01:25:13,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:25:13,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:25:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:20,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:25:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:20,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:25:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:20,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:25:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:20,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:25:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:20,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:25:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:20,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:25:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:20,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:25:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:20,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:25:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:20,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:25:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:20,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:25:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:20,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:25:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:20,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:25:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:21,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:25:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:21,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:25:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:21,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:25:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:21,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:25:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:21,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:25:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:21,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:25:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:21,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:25:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:21,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:25:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:21,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:25:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:21,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:25:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:21,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:25:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:21,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:25:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:21,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:25:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:21,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:25:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:21,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:25:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:21,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:25:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:21,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:25:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:21,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:25:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:21,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:25:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:21,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:25:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:21,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:25:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:21,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:25:21,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:25:21,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972882874] [2024-10-13 01:25:21,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972882874] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:25:21,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:25:21,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-13 01:25:21,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958759056] [2024-10-13 01:25:21,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:25:21,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 01:25:21,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:25:21,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 01:25:21,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-10-13 01:25:21,082 INFO L87 Difference]: Start difference. First operand 557 states and 832 transitions. Second operand has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 01:25:23,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:25:23,557 INFO L93 Difference]: Finished difference Result 959 states and 1439 transitions. [2024-10-13 01:25:23,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 01:25:23,557 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 211 [2024-10-13 01:25:23,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:25:23,561 INFO L225 Difference]: With dead ends: 959 [2024-10-13 01:25:23,561 INFO L226 Difference]: Without dead ends: 659 [2024-10-13 01:25:23,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=123, Invalid=429, Unknown=0, NotChecked=0, Total=552 [2024-10-13 01:25:23,563 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 267 mSDsluCounter, 866 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 1032 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-13 01:25:23,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 1032 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-13 01:25:23,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2024-10-13 01:25:23,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 583. [2024-10-13 01:25:23,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 478 states have (on average 1.393305439330544) internal successors, (666), 478 states have internal predecessors, (666), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-13 01:25:23,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 864 transitions. [2024-10-13 01:25:23,617 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 864 transitions. Word has length 211 [2024-10-13 01:25:23,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:25:23,618 INFO L471 AbstractCegarLoop]: Abstraction has 583 states and 864 transitions. [2024-10-13 01:25:23,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 01:25:23,618 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 864 transitions. [2024-10-13 01:25:23,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-13 01:25:23,621 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:25:23,621 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:25:23,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 01:25:23,621 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:25:23,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:25:23,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1607782467, now seen corresponding path program 1 times [2024-10-13 01:25:23,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:25:23,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485876489] [2024-10-13 01:25:23,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:25:23,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:25:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:25:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:25:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:25:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:25:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:25:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:25:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:25:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:25:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:25:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:25:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:25:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:25:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:25:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:25:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:25:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:25:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:25:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:25:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:25:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:25:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:25:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:25:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:25:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:25:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:25:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:25:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:25:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:25:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:25:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:25:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:25:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:25:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:25:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:26,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:25:26,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:25:26,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485876489] [2024-10-13 01:25:26,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485876489] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:25:26,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:25:26,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-13 01:25:26,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80196824] [2024-10-13 01:25:26,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:25:26,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 01:25:26,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:25:26,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 01:25:26,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-10-13 01:25:26,879 INFO L87 Difference]: Start difference. First operand 583 states and 864 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 01:25:31,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:25:31,127 INFO L93 Difference]: Finished difference Result 1513 states and 2274 transitions. [2024-10-13 01:25:31,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-13 01:25:31,127 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 212 [2024-10-13 01:25:31,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:25:31,135 INFO L225 Difference]: With dead ends: 1513 [2024-10-13 01:25:31,135 INFO L226 Difference]: Without dead ends: 1217 [2024-10-13 01:25:31,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=278, Invalid=714, Unknown=0, NotChecked=0, Total=992 [2024-10-13 01:25:31,137 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 849 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 849 SdHoareTripleChecker+Valid, 1127 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-13 01:25:31,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [849 Valid, 1127 Invalid, 999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-13 01:25:31,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2024-10-13 01:25:31,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 927. [2024-10-13 01:25:31,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 752 states have (on average 1.4015957446808511) internal successors, (1054), 752 states have internal predecessors, (1054), 165 states have call successors, (165), 9 states have call predecessors, (165), 9 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-10-13 01:25:31,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1384 transitions. [2024-10-13 01:25:31,224 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1384 transitions. Word has length 212 [2024-10-13 01:25:31,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:25:31,224 INFO L471 AbstractCegarLoop]: Abstraction has 927 states and 1384 transitions. [2024-10-13 01:25:31,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 01:25:31,225 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1384 transitions. [2024-10-13 01:25:31,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-13 01:25:31,226 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:25:31,226 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:25:31,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 01:25:31,227 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:25:31,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:25:31,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1877838203, now seen corresponding path program 1 times [2024-10-13 01:25:31,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:25:31,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300843087] [2024-10-13 01:25:31,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:25:31,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:25:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:25:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:25:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:25:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:25:33,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:25:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:25:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:25:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:25:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:25:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:25:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:25:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:25:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:25:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:25:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:25:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:25:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:25:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:25:33,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:25:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:25:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:25:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:25:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:25:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:25:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:25:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:25:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:25:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:25:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:25:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:25:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:25:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:25:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:25:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:33,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:25:33,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:25:33,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300843087] [2024-10-13 01:25:33,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300843087] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:25:33,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:25:33,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 01:25:33,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085662690] [2024-10-13 01:25:33,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:25:33,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 01:25:33,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:25:33,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 01:25:33,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-13 01:25:33,148 INFO L87 Difference]: Start difference. First operand 927 states and 1384 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 01:25:34,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:25:34,013 INFO L93 Difference]: Finished difference Result 1659 states and 2492 transitions. [2024-10-13 01:25:34,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 01:25:34,014 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 212 [2024-10-13 01:25:34,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:25:34,020 INFO L225 Difference]: With dead ends: 1659 [2024-10-13 01:25:34,020 INFO L226 Difference]: Without dead ends: 1031 [2024-10-13 01:25:34,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-10-13 01:25:34,023 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 274 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 635 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 01:25:34,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 744 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 635 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 01:25:34,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2024-10-13 01:25:34,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 891. [2024-10-13 01:25:34,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 891 states, 716 states have (on average 1.4022346368715084) internal successors, (1004), 716 states have internal predecessors, (1004), 165 states have call successors, (165), 9 states have call predecessors, (165), 9 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-10-13 01:25:34,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 1334 transitions. [2024-10-13 01:25:34,106 INFO L78 Accepts]: Start accepts. Automaton has 891 states and 1334 transitions. Word has length 212 [2024-10-13 01:25:34,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:25:34,106 INFO L471 AbstractCegarLoop]: Abstraction has 891 states and 1334 transitions. [2024-10-13 01:25:34,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 01:25:34,107 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1334 transitions. [2024-10-13 01:25:34,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-13 01:25:34,108 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:25:34,108 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:25:34,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 01:25:34,109 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:25:34,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:25:34,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1539295369, now seen corresponding path program 1 times [2024-10-13 01:25:34,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:25:34,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269490559] [2024-10-13 01:25:34,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:25:34,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:25:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:25:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:25:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 01:25:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:25:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 01:25:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:25:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 01:25:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:25:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 01:25:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:25:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 01:25:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 01:25:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 01:25:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 01:25:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:25:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:25:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 01:25:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 01:25:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 01:25:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:25:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 01:25:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:25:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 01:25:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:25:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:25:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:25:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 01:25:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:25:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 01:25:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:25:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 01:25:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:25:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-13 01:25:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:25:39,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-13 01:25:39,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:25:39,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269490559] [2024-10-13 01:25:39,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269490559] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:25:39,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:25:39,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-13 01:25:39,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253917357] [2024-10-13 01:25:39,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:25:39,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-13 01:25:39,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:25:39,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-13 01:25:39,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-10-13 01:25:39,472 INFO L87 Difference]: Start difference. First operand 891 states and 1334 transitions. Second operand has 16 states, 16 states have (on average 3.125) internal successors, (50), 16 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 01:25:44,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:25:44,907 INFO L93 Difference]: Finished difference Result 1609 states and 2414 transitions. [2024-10-13 01:25:44,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 01:25:44,908 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.125) internal successors, (50), 16 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 212 [2024-10-13 01:25:44,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:25:44,913 INFO L225 Difference]: With dead ends: 1609 [2024-10-13 01:25:44,914 INFO L226 Difference]: Without dead ends: 1011 [2024-10-13 01:25:44,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2024-10-13 01:25:44,916 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 382 mSDsluCounter, 1079 mSDsCounter, 0 mSdLazyCounter, 1109 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 1222 SdHoareTripleChecker+Invalid, 1246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 1109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-10-13 01:25:44,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 1222 Invalid, 1246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 1109 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-10-13 01:25:44,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2024-10-13 01:25:44,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 903. [2024-10-13 01:25:44,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 903 states, 728 states have (on average 1.401098901098901) internal successors, (1020), 728 states have internal predecessors, (1020), 165 states have call successors, (165), 9 states have call predecessors, (165), 9 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-10-13 01:25:44,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1350 transitions. [2024-10-13 01:25:44,998 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1350 transitions. Word has length 212 [2024-10-13 01:25:44,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:25:44,998 INFO L471 AbstractCegarLoop]: Abstraction has 903 states and 1350 transitions. [2024-10-13 01:25:44,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.125) internal successors, (50), 16 states have internal predecessors, (50), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-13 01:25:44,999 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1350 transitions. [2024-10-13 01:25:45,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-10-13 01:25:45,000 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:25:45,000 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:25:45,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 01:25:45,001 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:25:45,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:25:45,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1701378733, now seen corresponding path program 1 times [2024-10-13 01:25:45,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:25:45,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188076476] [2024-10-13 01:25:45,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:25:45,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:25:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat