./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_fillercodestructure_normal_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 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_fillercodestructure_normal_file-81.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 139d16f6f2adc0a53ed334bc0ef4cd475497ad47ce08b4367552becb4de333c7 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 05:45:51,217 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 05:45:51,285 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 05:45:51,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 05:45:51,290 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 05:45:51,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 05:45:51,311 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 05:45:51,312 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 05:45:51,312 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 05:45:51,313 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 05:45:51,313 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 05:45:51,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 05:45:51,314 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 05:45:51,314 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 05:45:51,315 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 05:45:51,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 05:45:51,315 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 05:45:51,316 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 05:45:51,316 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 05:45:51,316 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 05:45:51,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 05:45:51,319 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 05:45:51,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 05:45:51,320 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 05:45:51,320 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 05:45:51,320 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 05:45:51,320 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 05:45:51,320 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 05:45:51,321 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 05:45:51,321 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 05:45:51,321 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 05:45:51,321 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 05:45:51,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:45:51,322 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 05:45:51,322 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 05:45:51,322 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 05:45:51,322 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 05:45:51,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 05:45:51,322 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 05:45:51,322 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 05:45:51,322 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 05:45:51,323 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 05:45:51,323 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 139d16f6f2adc0a53ed334bc0ef4cd475497ad47ce08b4367552becb4de333c7 [2024-11-20 05:45:51,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 05:45:51,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 05:45:51,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 05:45:51,523 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 05:45:51,523 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 05:45:51,524 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-81.i [2024-11-20 05:45:52,714 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 05:45:52,889 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 05:45:52,889 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-81.i [2024-11-20 05:45:52,898 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dd1ae2b8/8ff7c3fa308b4ba58779ba848bdf3486/FLAGa79dc30e2 [2024-11-20 05:45:52,910 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dd1ae2b8/8ff7c3fa308b4ba58779ba848bdf3486 [2024-11-20 05:45:52,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 05:45:52,913 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 05:45:52,913 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 05:45:52,914 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 05:45:52,917 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 05:45:52,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:45:52" (1/1) ... [2024-11-20 05:45:52,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15cc00a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:52, skipping insertion in model container [2024-11-20 05:45:52,918 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:45:52" (1/1) ... [2024-11-20 05:45:52,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 05:45:53,075 WARN L250 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_fillercodestructure_normal_file-81.i[913,926] [2024-11-20 05:45:53,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:45:53,132 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 05:45:53,141 WARN L250 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_fillercodestructure_normal_file-81.i[913,926] [2024-11-20 05:45:53,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:45:53,178 INFO L204 MainTranslator]: Completed translation [2024-11-20 05:45:53,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:53 WrapperNode [2024-11-20 05:45:53,179 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 05:45:53,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 05:45:53,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 05:45:53,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 05:45:53,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:53" (1/1) ... [2024-11-20 05:45:53,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:53" (1/1) ... [2024-11-20 05:45:53,226 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 179 [2024-11-20 05:45:53,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 05:45:53,227 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 05:45:53,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 05:45:53,227 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 05:45:53,236 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:53" (1/1) ... [2024-11-20 05:45:53,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:53" (1/1) ... [2024-11-20 05:45:53,239 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:53" (1/1) ... [2024-11-20 05:45:53,257 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]. [2024-11-20 05:45:53,257 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:53" (1/1) ... [2024-11-20 05:45:53,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:53" (1/1) ... [2024-11-20 05:45:53,264 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:53" (1/1) ... [2024-11-20 05:45:53,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:53" (1/1) ... [2024-11-20 05:45:53,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:53" (1/1) ... [2024-11-20 05:45:53,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:53" (1/1) ... [2024-11-20 05:45:53,273 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 05:45:53,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 05:45:53,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 05:45:53,275 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 05:45:53,279 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:53" (1/1) ... [2024-11-20 05:45:53,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:45:53,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 05:45:53,309 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) [2024-11-20 05:45:53,311 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 [2024-11-20 05:45:53,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 05:45:53,345 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 05:45:53,346 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 05:45:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 05:45:53,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 05:45:53,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 05:45:53,413 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 05:45:53,415 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 05:45:53,735 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-20 05:45:53,735 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 05:45:53,746 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 05:45:53,746 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 05:45:53,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:45:53 BoogieIcfgContainer [2024-11-20 05:45:53,746 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 05:45:53,748 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 05:45:53,748 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 05:45:53,751 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 05:45:53,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:45:52" (1/3) ... [2024-11-20 05:45:53,752 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce77956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:45:53, skipping insertion in model container [2024-11-20 05:45:53,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:53" (2/3) ... [2024-11-20 05:45:53,753 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ce77956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:45:53, skipping insertion in model container [2024-11-20 05:45:53,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:45:53" (3/3) ... [2024-11-20 05:45:53,754 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-81.i [2024-11-20 05:45:53,766 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 05:45:53,766 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 05:45:53,809 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 05:45:53,818 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;@3a5ce80c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 05:45:53,818 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 05:45:53,821 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 48 states have (on average 1.375) internal successors, (66), 49 states have internal predecessors, (66), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-20 05:45:53,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-20 05:45:53,837 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:45:53,838 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:45:53,839 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:45:53,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:45:53,843 INFO L85 PathProgramCache]: Analyzing trace with hash 409085708, now seen corresponding path program 1 times [2024-11-20 05:45:53,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:45:53,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257478217] [2024-11-20 05:45:53,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:45:53,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:45:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:45:54,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:45:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:45:54,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:45:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:45:54,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:45:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:45:54,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:45:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:45:54,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:45:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:45:54,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:45:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:45:54,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:45:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:45:54,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:45:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:45:54,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:45:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:45:54,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:45:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:45:54,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:45:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:45:54,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:45:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:45:54,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:45:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:45:54,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:45:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:45:54,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:45:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:45:54,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:45:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:45:54,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:45:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:45:54,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:45:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:45:54,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:45:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:45:54,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:45:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:45:54,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:45:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:45:54,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:45:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:45:54,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:45:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:45:54,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:45:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:45:54,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:45:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:45:54,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:45:54,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:45:54,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 05:45:54,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:45:54,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257478217] [2024-11-20 05:45:54,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257478217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:45:54,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:45:54,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 05:45:54,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962093588] [2024-11-20 05:45:54,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:45:54,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 05:45:54,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:45:54,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 05:45:54,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 05:45:54,247 INFO L87 Difference]: Start difference. First operand has 77 states, 48 states have (on average 1.375) internal successors, (66), 49 states have internal predecessors, (66), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 05:45:54,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:45:54,279 INFO L93 Difference]: Finished difference Result 147 states and 256 transitions. [2024-11-20 05:45:54,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 05:45:54,281 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 163 [2024-11-20 05:45:54,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:45:54,286 INFO L225 Difference]: With dead ends: 147 [2024-11-20 05:45:54,287 INFO L226 Difference]: Without dead ends: 73 [2024-11-20 05:45:54,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 05:45:54,294 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 05:45:54,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 05:45:54,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-20 05:45:54,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-20 05:45:54,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 45 states have internal predecessors, (59), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-20 05:45:54,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 111 transitions. [2024-11-20 05:45:54,372 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 111 transitions. Word has length 163 [2024-11-20 05:45:54,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:45:54,373 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 111 transitions. [2024-11-20 05:45:54,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 05:45:54,373 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 111 transitions. [2024-11-20 05:45:54,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-20 05:45:54,394 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:45:54,395 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:45:54,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 05:45:54,395 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:45:54,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:45:54,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1193130060, now seen corresponding path program 1 times [2024-11-20 05:45:54,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:45:54,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602678581] [2024-11-20 05:45:54,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:45:54,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:45:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:03,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:46:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:03,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:46:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:03,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:46:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:03,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:46:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:03,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:46:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:03,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:46:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:03,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:46:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:03,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:46:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:03,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:46:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:03,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:46:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:03,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:46:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:03,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:46:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:03,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:46:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:03,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:46:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:03,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:46:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:03,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:46:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:03,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:46:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:03,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:46:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:03,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:46:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:03,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:46:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:03,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:46:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:03,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:46:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:03,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:46:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:03,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:46:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:03,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:46:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:03,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:46:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:03,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 05:46:03,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:46:03,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602678581] [2024-11-20 05:46:03,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602678581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:46:03,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:46:03,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 05:46:03,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268508028] [2024-11-20 05:46:03,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:46:03,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 05:46:03,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:46:03,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 05:46:03,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-20 05:46:03,956 INFO L87 Difference]: Start difference. First operand 73 states and 111 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 05:46:06,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:46:06,431 INFO L93 Difference]: Finished difference Result 321 states and 480 transitions. [2024-11-20 05:46:06,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 05:46:06,431 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-20 05:46:06,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:46:06,436 INFO L225 Difference]: With dead ends: 321 [2024-11-20 05:46:06,436 INFO L226 Difference]: Without dead ends: 251 [2024-11-20 05:46:06,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-20 05:46:06,438 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 651 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 05:46:06,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 526 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 05:46:06,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-20 05:46:06,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 132. [2024-11-20 05:46:06,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 77 states have (on average 1.2857142857142858) internal successors, (99), 77 states have internal predecessors, (99), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-20 05:46:06,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 203 transitions. [2024-11-20 05:46:06,474 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 203 transitions. Word has length 163 [2024-11-20 05:46:06,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:46:06,477 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 203 transitions. [2024-11-20 05:46:06,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 05:46:06,477 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 203 transitions. [2024-11-20 05:46:06,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-20 05:46:06,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:46:06,479 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:46:06,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 05:46:06,480 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:46:06,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:46:06,480 INFO L85 PathProgramCache]: Analyzing trace with hash 800103050, now seen corresponding path program 1 times [2024-11-20 05:46:06,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:46:06,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120475826] [2024-11-20 05:46:06,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:46:06,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:46:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:06,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:46:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:06,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:46:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:06,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:46:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:06,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:46:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:06,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:46:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:06,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:46:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:06,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:46:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:06,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:46:06,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:06,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:46:06,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:06,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:46:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:06,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:46:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:06,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:46:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:06,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:46:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:06,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:46:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:06,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:46:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:06,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:46:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:06,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:46:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:06,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:46:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:06,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:46:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:06,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:46:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:06,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:46:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:06,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:46:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:06,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:46:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:06,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:46:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:06,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:46:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:06,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:46:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:06,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 05:46:06,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:46:06,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120475826] [2024-11-20 05:46:06,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120475826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:46:06,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:46:06,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 05:46:06,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839587109] [2024-11-20 05:46:06,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:46:06,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 05:46:06,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:46:06,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 05:46:06,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 05:46:06,671 INFO L87 Difference]: Start difference. First operand 132 states and 203 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 05:46:06,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:46:06,726 INFO L93 Difference]: Finished difference Result 237 states and 360 transitions. [2024-11-20 05:46:06,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 05:46:06,726 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-20 05:46:06,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:46:06,728 INFO L225 Difference]: With dead ends: 237 [2024-11-20 05:46:06,728 INFO L226 Difference]: Without dead ends: 167 [2024-11-20 05:46:06,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 05:46:06,729 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 42 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 05:46:06,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 324 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 05:46:06,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-20 05:46:06,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 164. [2024-11-20 05:46:06,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 104 states have (on average 1.2980769230769231) internal successors, (135), 105 states have internal predecessors, (135), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-20 05:46:06,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 247 transitions. [2024-11-20 05:46:06,745 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 247 transitions. Word has length 163 [2024-11-20 05:46:06,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:46:06,745 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 247 transitions. [2024-11-20 05:46:06,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 05:46:06,746 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 247 transitions. [2024-11-20 05:46:06,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-20 05:46:06,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:46:06,747 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:46:06,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 05:46:06,748 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:46:06,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:46:06,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1894194638, now seen corresponding path program 1 times [2024-11-20 05:46:06,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:46:06,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831575317] [2024-11-20 05:46:06,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:46:06,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:46:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:12,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:46:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:12,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:46:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:12,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:46:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:12,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:46:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:12,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:46:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:12,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:46:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:12,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:46:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:12,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:46:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:12,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:46:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:12,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:46:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:12,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:46:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:12,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:46:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:12,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:46:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:12,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:46:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:13,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:46:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:13,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:46:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:13,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:46:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:13,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:46:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:13,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:46:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:13,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:46:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:13,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:46:13,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:13,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:46:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:13,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:46:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:13,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:46:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:13,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:46:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:13,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:46:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:13,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 05:46:13,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:46:13,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831575317] [2024-11-20 05:46:13,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831575317] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:46:13,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:46:13,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 05:46:13,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055360552] [2024-11-20 05:46:13,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:46:13,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 05:46:13,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:46:13,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 05:46:13,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-20 05:46:13,046 INFO L87 Difference]: Start difference. First operand 164 states and 247 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 05:46:15,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:46:15,609 INFO L93 Difference]: Finished difference Result 372 states and 546 transitions. [2024-11-20 05:46:15,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 05:46:15,610 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-20 05:46:15,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:46:15,615 INFO L225 Difference]: With dead ends: 372 [2024-11-20 05:46:15,616 INFO L226 Difference]: Without dead ends: 270 [2024-11-20 05:46:15,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-20 05:46:15,620 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 418 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-20 05:46:15,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 521 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-20 05:46:15,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-20 05:46:15,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 164. [2024-11-20 05:46:15,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 104 states have (on average 1.2980769230769231) internal successors, (135), 105 states have internal predecessors, (135), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-20 05:46:15,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 247 transitions. [2024-11-20 05:46:15,652 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 247 transitions. Word has length 163 [2024-11-20 05:46:15,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:46:15,654 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 247 transitions. [2024-11-20 05:46:15,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 05:46:15,654 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 247 transitions. [2024-11-20 05:46:15,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-20 05:46:15,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:46:15,656 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:46:15,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 05:46:15,656 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:46:15,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:46:15,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1451295498, now seen corresponding path program 1 times [2024-11-20 05:46:15,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:46:15,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687808396] [2024-11-20 05:46:15,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:46:15,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:46:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:16,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:46:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:16,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:46:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:16,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:46:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:16,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:46:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:16,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:46:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:16,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:46:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:16,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:46:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:16,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:46:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:16,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:46:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:16,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:46:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:16,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:46:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:16,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:46:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:16,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:46:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:16,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:46:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:16,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:46:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:16,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:46:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:16,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:46:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:16,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:46:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:16,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:46:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:16,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:46:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:16,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:46:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:16,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:46:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:16,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:46:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:16,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:46:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:16,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:46:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:16,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:46:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:16,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 05:46:16,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:46:16,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687808396] [2024-11-20 05:46:16,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687808396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:46:16,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:46:16,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 05:46:16,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245299651] [2024-11-20 05:46:16,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:46:16,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 05:46:16,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:46:16,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 05:46:16,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 05:46:16,132 INFO L87 Difference]: Start difference. First operand 164 states and 247 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 05:46:16,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:46:16,458 INFO L93 Difference]: Finished difference Result 312 states and 467 transitions. [2024-11-20 05:46:16,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 05:46:16,458 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-20 05:46:16,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:46:16,460 INFO L225 Difference]: With dead ends: 312 [2024-11-20 05:46:16,460 INFO L226 Difference]: Without dead ends: 210 [2024-11-20 05:46:16,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-20 05:46:16,461 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 101 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 05:46:16,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 439 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 05:46:16,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-20 05:46:16,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 170. [2024-11-20 05:46:16,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 110 states have (on average 1.290909090909091) internal successors, (142), 111 states have internal predecessors, (142), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-20 05:46:16,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 254 transitions. [2024-11-20 05:46:16,475 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 254 transitions. Word has length 163 [2024-11-20 05:46:16,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:46:16,475 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 254 transitions. [2024-11-20 05:46:16,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 05:46:16,475 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 254 transitions. [2024-11-20 05:46:16,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-20 05:46:16,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:46:16,477 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:46:16,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 05:46:16,477 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:46:16,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:46:16,477 INFO L85 PathProgramCache]: Analyzing trace with hash 182012810, now seen corresponding path program 1 times [2024-11-20 05:46:16,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:46:16,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005034464] [2024-11-20 05:46:16,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:46:16,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:46:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:21,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:46:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:21,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:46:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:21,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:46:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:21,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:46:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:21,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:46:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:21,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:46:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:21,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:46:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:21,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:46:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:21,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:46:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:21,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:46:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:21,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:46:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:21,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:46:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:21,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:46:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:21,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:46:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:21,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:46:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:21,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:46:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:21,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:46:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:21,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:46:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:21,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:46:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:21,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:46:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:21,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:46:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:21,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:46:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:21,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:46:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:21,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:46:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:21,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:46:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:21,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:46:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:21,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 05:46:21,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:46:21,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005034464] [2024-11-20 05:46:21,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005034464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:46:21,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:46:21,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 05:46:21,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013975620] [2024-11-20 05:46:21,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:46:21,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 05:46:21,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:46:21,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 05:46:21,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-20 05:46:21,818 INFO L87 Difference]: Start difference. First operand 170 states and 254 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 05:46:23,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:46:23,198 INFO L93 Difference]: Finished difference Result 341 states and 498 transitions. [2024-11-20 05:46:23,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 05:46:23,199 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-20 05:46:23,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:46:23,201 INFO L225 Difference]: With dead ends: 341 [2024-11-20 05:46:23,201 INFO L226 Difference]: Without dead ends: 239 [2024-11-20 05:46:23,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-20 05:46:23,202 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 144 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 05:46:23,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 514 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 05:46:23,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-20 05:46:23,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 171. [2024-11-20 05:46:23,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 111 states have (on average 1.2972972972972974) internal successors, (144), 112 states have internal predecessors, (144), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-20 05:46:23,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 256 transitions. [2024-11-20 05:46:23,227 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 256 transitions. Word has length 163 [2024-11-20 05:46:23,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:46:23,228 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 256 transitions. [2024-11-20 05:46:23,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 05:46:23,228 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 256 transitions. [2024-11-20 05:46:23,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-20 05:46:23,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:46:23,229 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:46:23,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 05:46:23,229 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:46:23,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:46:23,230 INFO L85 PathProgramCache]: Analyzing trace with hash 883077388, now seen corresponding path program 1 times [2024-11-20 05:46:23,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:46:23,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808738922] [2024-11-20 05:46:23,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:46:23,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:46:23,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:28,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:46:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:28,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:46:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:28,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:46:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:28,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:46:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:28,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:46:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:28,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:46:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:28,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:46:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:28,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:46:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:28,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:46:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:28,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:46:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:28,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:46:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:28,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:46:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:28,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:46:28,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:28,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:46:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:28,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:46:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:28,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:46:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:28,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:46:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:28,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:46:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:28,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:46:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:28,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:46:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:28,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:46:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:28,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:46:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:28,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:46:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:28,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:46:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:28,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:46:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:28,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:46:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:28,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 05:46:28,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:46:28,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808738922] [2024-11-20 05:46:28,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808738922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:46:28,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:46:28,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 05:46:28,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796172638] [2024-11-20 05:46:28,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:46:28,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 05:46:28,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:46:28,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 05:46:28,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-20 05:46:28,692 INFO L87 Difference]: Start difference. First operand 171 states and 256 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 05:46:29,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:46:29,913 INFO L93 Difference]: Finished difference Result 322 states and 474 transitions. [2024-11-20 05:46:29,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 05:46:29,914 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-20 05:46:29,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:46:29,915 INFO L225 Difference]: With dead ends: 322 [2024-11-20 05:46:29,915 INFO L226 Difference]: Without dead ends: 210 [2024-11-20 05:46:29,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-20 05:46:29,916 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 177 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 05:46:29,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 399 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 05:46:29,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-20 05:46:29,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 168. [2024-11-20 05:46:29,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 108 states have (on average 1.2962962962962963) internal successors, (140), 109 states have internal predecessors, (140), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-20 05:46:29,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 252 transitions. [2024-11-20 05:46:29,930 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 252 transitions. Word has length 163 [2024-11-20 05:46:29,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:46:29,931 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 252 transitions. [2024-11-20 05:46:29,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 05:46:29,931 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 252 transitions. [2024-11-20 05:46:29,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-20 05:46:29,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:46:29,932 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:46:29,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 05:46:29,932 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:46:29,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:46:29,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1839498733, now seen corresponding path program 1 times [2024-11-20 05:46:29,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:46:29,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448690106] [2024-11-20 05:46:29,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:46:29,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:46:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:30,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:46:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:30,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:46:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:30,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:46:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:30,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:46:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:30,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:46:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:30,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:46:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:30,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:46:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:30,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:46:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:30,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:46:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:30,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:46:30,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:30,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:46:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:30,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:46:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:30,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:46:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:30,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:46:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:30,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:46:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:30,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:46:30,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:30,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:46:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:30,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:46:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:30,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:46:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:30,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:46:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:30,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:46:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:30,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:46:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:30,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:46:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:30,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:46:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:30,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:46:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:30,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:46:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:30,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 05:46:30,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:46:30,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448690106] [2024-11-20 05:46:30,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448690106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:46:30,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:46:30,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 05:46:30,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509069319] [2024-11-20 05:46:30,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:46:30,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 05:46:30,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:46:30,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 05:46:30,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 05:46:30,104 INFO L87 Difference]: Start difference. First operand 168 states and 252 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 05:46:30,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:46:30,152 INFO L93 Difference]: Finished difference Result 306 states and 450 transitions. [2024-11-20 05:46:30,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 05:46:30,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-20 05:46:30,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:46:30,154 INFO L225 Difference]: With dead ends: 306 [2024-11-20 05:46:30,154 INFO L226 Difference]: Without dead ends: 194 [2024-11-20 05:46:30,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 05:46:30,155 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 62 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 05:46:30,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 317 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 05:46:30,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-20 05:46:30,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 163. [2024-11-20 05:46:30,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 106 states have (on average 1.2924528301886793) internal successors, (137), 106 states have internal predecessors, (137), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-20 05:46:30,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 241 transitions. [2024-11-20 05:46:30,174 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 241 transitions. Word has length 164 [2024-11-20 05:46:30,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:46:30,174 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 241 transitions. [2024-11-20 05:46:30,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 05:46:30,175 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2024-11-20 05:46:30,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-20 05:46:30,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:46:30,176 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:46:30,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 05:46:30,177 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:46:30,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:46:30,177 INFO L85 PathProgramCache]: Analyzing trace with hash 2062441553, now seen corresponding path program 1 times [2024-11-20 05:46:30,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:46:30,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594302987] [2024-11-20 05:46:30,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:46:30,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:46:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:35,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:46:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:35,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:46:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:35,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:46:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:35,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:46:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:35,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:46:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:35,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:46:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:35,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:46:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:35,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:46:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:35,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:46:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:35,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:46:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:35,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:46:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:35,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:46:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:35,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:46:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:35,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:46:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:35,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:46:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:35,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:46:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:35,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:46:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:35,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:46:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:35,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:46:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:35,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:46:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:35,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:46:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:35,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:46:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:35,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:46:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:35,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:46:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:35,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:46:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:35,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:46:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:35,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 05:46:35,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:46:35,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594302987] [2024-11-20 05:46:35,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594302987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:46:35,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:46:35,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 05:46:35,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459369319] [2024-11-20 05:46:35,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:46:35,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 05:46:35,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:46:35,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 05:46:35,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-20 05:46:35,514 INFO L87 Difference]: Start difference. First operand 163 states and 241 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 05:46:36,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:46:36,899 INFO L93 Difference]: Finished difference Result 341 states and 496 transitions. [2024-11-20 05:46:36,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 05:46:36,900 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-20 05:46:36,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:46:36,901 INFO L225 Difference]: With dead ends: 341 [2024-11-20 05:46:36,901 INFO L226 Difference]: Without dead ends: 241 [2024-11-20 05:46:36,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2024-11-20 05:46:36,902 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 170 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 05:46:36,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 518 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 05:46:36,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-20 05:46:36,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 171. [2024-11-20 05:46:36,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 114 states have (on average 1.3070175438596492) internal successors, (149), 114 states have internal predecessors, (149), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-20 05:46:36,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 253 transitions. [2024-11-20 05:46:36,916 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 253 transitions. Word has length 164 [2024-11-20 05:46:36,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:46:36,916 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 253 transitions. [2024-11-20 05:46:36,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 05:46:36,917 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 253 transitions. [2024-11-20 05:46:36,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-20 05:46:36,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:46:36,918 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:46:36,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 05:46:36,918 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:46:36,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:46:36,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1531461165, now seen corresponding path program 1 times [2024-11-20 05:46:36,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:46:36,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669687329] [2024-11-20 05:46:36,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:46:36,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:46:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:41,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:46:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:41,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:46:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:41,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:46:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:41,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:46:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:41,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:46:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:41,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:46:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:41,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:46:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:41,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:46:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:41,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:46:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:41,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:46:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:41,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:46:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:41,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:46:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:41,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:46:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:41,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:46:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:41,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:46:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:41,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:46:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:41,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:46:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:41,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:46:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:41,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:46:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:41,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:46:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:41,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:46:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:41,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:46:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:41,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:46:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:41,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:46:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:41,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:46:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:41,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:46:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:41,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 05:46:41,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:46:41,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669687329] [2024-11-20 05:46:41,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669687329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:46:41,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:46:41,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-20 05:46:41,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573009190] [2024-11-20 05:46:41,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:46:41,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 05:46:41,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:46:41,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 05:46:41,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-20 05:46:41,790 INFO L87 Difference]: Start difference. First operand 171 states and 253 transitions. Second operand has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 05:46:43,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:46:43,237 INFO L93 Difference]: Finished difference Result 362 states and 524 transitions. [2024-11-20 05:46:43,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 05:46:43,238 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2024-11-20 05:46:43,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:46:43,240 INFO L225 Difference]: With dead ends: 362 [2024-11-20 05:46:43,240 INFO L226 Difference]: Without dead ends: 262 [2024-11-20 05:46:43,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2024-11-20 05:46:43,242 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 278 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 05:46:43,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 575 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 05:46:43,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-11-20 05:46:43,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 174. [2024-11-20 05:46:43,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 117 states have (on average 1.3076923076923077) internal successors, (153), 117 states have internal predecessors, (153), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-20 05:46:43,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 257 transitions. [2024-11-20 05:46:43,256 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 257 transitions. Word has length 164 [2024-11-20 05:46:43,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:46:43,256 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 257 transitions. [2024-11-20 05:46:43,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 05:46:43,256 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 257 transitions. [2024-11-20 05:46:43,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-20 05:46:43,257 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:46:43,257 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:46:43,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 05:46:43,257 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:46:43,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:46:43,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1752388881, now seen corresponding path program 1 times [2024-11-20 05:46:43,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:46:43,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147038193] [2024-11-20 05:46:43,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:46:43,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:46:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:46,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:46:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:46,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:46:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:46,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:46:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:46,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:46:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:46,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:46:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:46,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:46:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:46,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:46:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:46,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:46:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:46,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:46:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:46,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:46:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:46,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:46:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:46,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:46:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:46,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:46:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:46,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:46:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:46,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:46:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:46,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:46:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:46,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:46:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:46,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:46:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:46,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:46:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:46,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:46:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:46,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:46:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:46,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:46:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:46,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:46:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:46,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:46:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:46,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:46:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:46,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:46:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:46,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 05:46:46,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:46:46,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147038193] [2024-11-20 05:46:46,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147038193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:46:46,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:46:46,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 05:46:46,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160365989] [2024-11-20 05:46:46,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:46:46,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 05:46:46,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:46:46,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 05:46:46,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-20 05:46:46,897 INFO L87 Difference]: Start difference. First operand 174 states and 257 transitions. Second operand has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 05:46:47,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:46:47,610 INFO L93 Difference]: Finished difference Result 316 states and 461 transitions. [2024-11-20 05:46:47,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 05:46:47,611 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-20 05:46:47,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:46:47,612 INFO L225 Difference]: With dead ends: 316 [2024-11-20 05:46:47,612 INFO L226 Difference]: Without dead ends: 216 [2024-11-20 05:46:47,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-20 05:46:47,613 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 115 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 05:46:47,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 504 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 05:46:47,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-20 05:46:47,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 171. [2024-11-20 05:46:47,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 114 states have (on average 1.3070175438596492) internal successors, (149), 114 states have internal predecessors, (149), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-20 05:46:47,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 253 transitions. [2024-11-20 05:46:47,624 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 253 transitions. Word has length 164 [2024-11-20 05:46:47,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:46:47,625 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 253 transitions. [2024-11-20 05:46:47,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 05:46:47,625 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 253 transitions. [2024-11-20 05:46:47,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-20 05:46:47,626 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:46:47,626 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:46:47,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 05:46:47,626 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:46:47,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:46:47,626 INFO L85 PathProgramCache]: Analyzing trace with hash -559635055, now seen corresponding path program 1 times [2024-11-20 05:46:47,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:46:47,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095560515] [2024-11-20 05:46:47,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:46:47,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:46:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:50,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:46:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:50,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:46:50,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:50,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:46:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:50,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:46:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:50,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:46:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:50,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:46:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:50,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:46:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:50,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:46:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:50,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:46:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:50,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:46:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:50,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:46:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:50,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:46:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:50,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:46:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:50,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:46:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:50,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:46:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:50,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:46:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:50,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:46:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:50,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:46:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:50,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:46:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:50,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:46:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:50,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:46:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:50,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:46:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:50,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:46:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:50,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:46:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:50,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:46:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:50,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:46:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:50,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 05:46:50,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:46:50,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095560515] [2024-11-20 05:46:50,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095560515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:46:50,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:46:50,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 05:46:50,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050951311] [2024-11-20 05:46:50,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:46:50,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 05:46:50,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:46:50,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 05:46:50,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-20 05:46:50,773 INFO L87 Difference]: Start difference. First operand 171 states and 253 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 05:46:51,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:46:51,804 INFO L93 Difference]: Finished difference Result 426 states and 613 transitions. [2024-11-20 05:46:51,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 05:46:51,805 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-20 05:46:51,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:46:51,807 INFO L225 Difference]: With dead ends: 426 [2024-11-20 05:46:51,807 INFO L226 Difference]: Without dead ends: 318 [2024-11-20 05:46:51,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-20 05:46:51,808 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 443 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 05:46:51,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 575 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 05:46:51,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-20 05:46:51,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 175. [2024-11-20 05:46:51,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 118 states have (on average 1.3135593220338984) internal successors, (155), 118 states have internal predecessors, (155), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-20 05:46:51,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 259 transitions. [2024-11-20 05:46:51,820 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 259 transitions. Word has length 164 [2024-11-20 05:46:51,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:46:51,820 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 259 transitions. [2024-11-20 05:46:51,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 05:46:51,821 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 259 transitions. [2024-11-20 05:46:51,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-20 05:46:51,821 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:46:51,821 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:46:51,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 05:46:51,822 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:46:51,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:46:51,822 INFO L85 PathProgramCache]: Analyzing trace with hash -952662065, now seen corresponding path program 1 times [2024-11-20 05:46:51,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:46:51,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542361053] [2024-11-20 05:46:51,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:46:51,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:46:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:56,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:46:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:56,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:46:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:56,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:46:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:56,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:46:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:56,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:46:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:56,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:46:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:56,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:46:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:56,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:46:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:56,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:46:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:56,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:46:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:56,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:46:56,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:56,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:46:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:56,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:46:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:56,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:46:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:56,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:46:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:56,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:46:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:56,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:46:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:56,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:46:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:56,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:46:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:56,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:46:56,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:56,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:46:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:56,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:46:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:56,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:46:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:56,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:46:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:56,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:46:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:56,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:46:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:46:56,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 05:46:56,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:46:56,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542361053] [2024-11-20 05:46:56,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542361053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:46:56,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:46:56,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-20 05:46:56,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12366480] [2024-11-20 05:46:56,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:46:56,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 05:46:56,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:46:56,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 05:46:56,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-20 05:46:56,290 INFO L87 Difference]: Start difference. First operand 175 states and 259 transitions. Second operand has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 05:46:57,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:46:57,340 INFO L93 Difference]: Finished difference Result 387 states and 561 transitions. [2024-11-20 05:46:57,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 05:46:57,340 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2024-11-20 05:46:57,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:46:57,342 INFO L225 Difference]: With dead ends: 387 [2024-11-20 05:46:57,342 INFO L226 Difference]: Without dead ends: 279 [2024-11-20 05:46:57,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2024-11-20 05:46:57,342 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 302 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 05:46:57,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 567 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 05:46:57,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2024-11-20 05:46:57,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 177. [2024-11-20 05:46:57,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 120 states have (on average 1.325) internal successors, (159), 120 states have internal predecessors, (159), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-20 05:46:57,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 263 transitions. [2024-11-20 05:46:57,356 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 263 transitions. Word has length 164 [2024-11-20 05:46:57,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:46:57,356 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 263 transitions. [2024-11-20 05:46:57,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 05:46:57,356 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 263 transitions. [2024-11-20 05:46:57,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-20 05:46:57,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:46:57,358 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:46:57,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 05:46:57,358 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:46:57,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:46:57,358 INFO L85 PathProgramCache]: Analyzing trace with hash 141429523, now seen corresponding path program 1 times [2024-11-20 05:46:57,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:46:57,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383099582] [2024-11-20 05:46:57,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:46:57,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:46:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:01,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:47:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:01,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:47:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:01,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:47:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:01,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:47:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:01,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:47:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:01,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:47:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:01,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:47:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:01,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:47:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:01,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:47:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:01,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:47:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:01,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:47:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:01,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:47:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:02,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:47:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:02,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:47:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:02,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:47:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:02,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:47:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:02,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:47:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:02,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:47:02,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:02,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:47:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:02,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:47:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:02,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:47:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:02,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:47:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:02,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:47:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:02,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:47:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:02,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:47:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:02,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:47:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:02,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 05:47:02,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:47:02,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383099582] [2024-11-20 05:47:02,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383099582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:47:02,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:47:02,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-20 05:47:02,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865510979] [2024-11-20 05:47:02,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:47:02,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 05:47:02,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:47:02,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 05:47:02,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-20 05:47:02,080 INFO L87 Difference]: Start difference. First operand 177 states and 263 transitions. Second operand has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 05:47:03,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:47:03,294 INFO L93 Difference]: Finished difference Result 407 states and 589 transitions. [2024-11-20 05:47:03,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 05:47:03,295 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2024-11-20 05:47:03,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:47:03,296 INFO L225 Difference]: With dead ends: 407 [2024-11-20 05:47:03,296 INFO L226 Difference]: Without dead ends: 299 [2024-11-20 05:47:03,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2024-11-20 05:47:03,297 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 467 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 05:47:03,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 572 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 05:47:03,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-20 05:47:03,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 178. [2024-11-20 05:47:03,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 121 states have (on average 1.3305785123966942) internal successors, (161), 121 states have internal predecessors, (161), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-20 05:47:03,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 265 transitions. [2024-11-20 05:47:03,309 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 265 transitions. Word has length 164 [2024-11-20 05:47:03,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:47:03,310 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 265 transitions. [2024-11-20 05:47:03,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 05:47:03,310 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 265 transitions. [2024-11-20 05:47:03,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-20 05:47:03,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:47:03,311 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:47:03,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 05:47:03,311 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:47:03,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:47:03,311 INFO L85 PathProgramCache]: Analyzing trace with hash -251597487, now seen corresponding path program 1 times [2024-11-20 05:47:03,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:47:03,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025203700] [2024-11-20 05:47:03,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:47:03,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:47:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:07,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:47:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:07,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:47:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:07,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:47:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:07,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:47:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:07,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:47:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:07,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:47:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:07,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:47:07,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:07,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:47:07,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:07,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:47:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:07,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:47:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:07,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:47:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:07,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:47:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:07,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:47:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:07,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:47:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:07,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:47:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:07,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:47:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:07,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:47:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:07,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:47:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:07,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:47:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:07,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:47:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:07,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:47:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:07,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:47:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:07,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:47:07,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:07,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:47:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:07,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:47:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:07,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:47:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:07,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 05:47:07,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:47:07,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025203700] [2024-11-20 05:47:07,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025203700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:47:07,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:47:07,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-20 05:47:07,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863793041] [2024-11-20 05:47:07,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:47:07,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 05:47:07,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:47:07,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 05:47:07,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-20 05:47:07,582 INFO L87 Difference]: Start difference. First operand 178 states and 265 transitions. Second operand has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 05:47:08,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:47:08,657 INFO L93 Difference]: Finished difference Result 396 states and 573 transitions. [2024-11-20 05:47:08,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 05:47:08,658 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2024-11-20 05:47:08,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:47:08,659 INFO L225 Difference]: With dead ends: 396 [2024-11-20 05:47:08,659 INFO L226 Difference]: Without dead ends: 288 [2024-11-20 05:47:08,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2024-11-20 05:47:08,660 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 287 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 05:47:08,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 560 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 05:47:08,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-20 05:47:08,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 177. [2024-11-20 05:47:08,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 120 states have (on average 1.325) internal successors, (159), 120 states have internal predecessors, (159), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-20 05:47:08,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 263 transitions. [2024-11-20 05:47:08,673 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 263 transitions. Word has length 164 [2024-11-20 05:47:08,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:47:08,674 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 263 transitions. [2024-11-20 05:47:08,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-20 05:47:08,674 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 263 transitions. [2024-11-20 05:47:08,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-20 05:47:08,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:47:08,675 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:47:08,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 05:47:08,675 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:47:08,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:47:08,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1570752305, now seen corresponding path program 1 times [2024-11-20 05:47:08,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:47:08,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426415194] [2024-11-20 05:47:08,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:47:08,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:47:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:12,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:47:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:12,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:47:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:12,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:47:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:12,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:47:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:12,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:47:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:12,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:47:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:12,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:47:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:12,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:47:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:12,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:47:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:12,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:47:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:12,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:47:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:12,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:47:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:12,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:47:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:12,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:47:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:12,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:47:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:12,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:47:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:12,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:47:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:12,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:47:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:12,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:47:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:12,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:47:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:12,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:47:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:12,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:47:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:12,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:47:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:12,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:47:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:12,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:47:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:12,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:47:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:12,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 05:47:12,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:47:12,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426415194] [2024-11-20 05:47:12,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426415194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:47:12,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:47:12,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 05:47:12,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464861538] [2024-11-20 05:47:12,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:47:12,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 05:47:12,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:47:12,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 05:47:12,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-20 05:47:12,204 INFO L87 Difference]: Start difference. First operand 177 states and 263 transitions. Second operand has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 05:47:12,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:47:12,593 INFO L93 Difference]: Finished difference Result 396 states and 575 transitions. [2024-11-20 05:47:12,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 05:47:12,594 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-20 05:47:12,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:47:12,595 INFO L225 Difference]: With dead ends: 396 [2024-11-20 05:47:12,595 INFO L226 Difference]: Without dead ends: 288 [2024-11-20 05:47:12,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-20 05:47:12,596 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 187 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 05:47:12,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 492 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 05:47:12,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-20 05:47:12,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 178. [2024-11-20 05:47:12,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 121 states have (on average 1.3305785123966942) internal successors, (161), 121 states have internal predecessors, (161), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-20 05:47:12,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 265 transitions. [2024-11-20 05:47:12,613 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 265 transitions. Word has length 164 [2024-11-20 05:47:12,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:47:12,614 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 265 transitions. [2024-11-20 05:47:12,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 05:47:12,614 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 265 transitions. [2024-11-20 05:47:12,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-20 05:47:12,614 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:47:12,615 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:47:12,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-20 05:47:12,615 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:47:12,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:47:12,615 INFO L85 PathProgramCache]: Analyzing trace with hash -869687727, now seen corresponding path program 1 times [2024-11-20 05:47:12,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:47:12,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750167534] [2024-11-20 05:47:12,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:47:12,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:47:12,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:16,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:47:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:16,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:47:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:16,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:47:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:16,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:47:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:16,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:47:16,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:16,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:47:16,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:16,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:47:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:16,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:47:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:16,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:47:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:16,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:47:16,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:16,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:47:16,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:16,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:47:16,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:16,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:47:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:16,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:47:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:16,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:47:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:16,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:47:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:16,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:47:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:16,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:47:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:16,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:47:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:16,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:47:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:16,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:47:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:16,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:47:16,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:16,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:47:16,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:16,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:47:16,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:16,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:47:16,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:16,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:47:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:16,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 05:47:16,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:47:16,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750167534] [2024-11-20 05:47:16,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750167534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:47:16,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:47:16,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 05:47:16,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453333887] [2024-11-20 05:47:16,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:47:16,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 05:47:16,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:47:16,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 05:47:16,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-20 05:47:16,813 INFO L87 Difference]: Start difference. First operand 178 states and 265 transitions. Second operand has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 05:47:17,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:47:17,336 INFO L93 Difference]: Finished difference Result 356 states and 520 transitions. [2024-11-20 05:47:17,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 05:47:17,337 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-20 05:47:17,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:47:17,338 INFO L225 Difference]: With dead ends: 356 [2024-11-20 05:47:17,338 INFO L226 Difference]: Without dead ends: 246 [2024-11-20 05:47:17,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-20 05:47:17,339 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 153 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 05:47:17,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 410 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 05:47:17,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-20 05:47:17,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 178. [2024-11-20 05:47:17,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 121 states have (on average 1.3305785123966942) internal successors, (161), 121 states have internal predecessors, (161), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-20 05:47:17,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 265 transitions. [2024-11-20 05:47:17,354 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 265 transitions. Word has length 164 [2024-11-20 05:47:17,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:47:17,354 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 265 transitions. [2024-11-20 05:47:17,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 05:47:17,354 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 265 transitions. [2024-11-20 05:47:17,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-20 05:47:17,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:47:17,355 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:47:17,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 05:47:17,355 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:47:17,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:47:17,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1262714737, now seen corresponding path program 1 times [2024-11-20 05:47:17,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:47:17,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230110783] [2024-11-20 05:47:17,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:47:17,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:47:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:17,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:47:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:17,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:47:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:17,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:47:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:17,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:47:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:17,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:47:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:17,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:47:17,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:17,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:47:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:17,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:47:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:17,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:47:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:17,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:47:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:17,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:47:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:17,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:47:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:17,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:47:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:17,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:47:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:17,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:47:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:17,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:47:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:17,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:47:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:17,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:47:17,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:17,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:47:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:17,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:47:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:17,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:47:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:17,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 05:47:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:17,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 05:47:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:17,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 05:47:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:17,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 05:47:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:17,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 05:47:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:47:17,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-20 05:47:17,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:47:17,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230110783] [2024-11-20 05:47:17,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230110783] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:47:17,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:47:17,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 05:47:17,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901020939] [2024-11-20 05:47:17,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:47:17,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 05:47:17,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:47:17,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 05:47:17,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 05:47:17,862 INFO L87 Difference]: Start difference. First operand 178 states and 265 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 05:47:18,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:47:18,223 INFO L93 Difference]: Finished difference Result 358 states and 522 transitions. [2024-11-20 05:47:18,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 05:47:18,224 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-20 05:47:18,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:47:18,225 INFO L225 Difference]: With dead ends: 358 [2024-11-20 05:47:18,225 INFO L226 Difference]: Without dead ends: 248 [2024-11-20 05:47:18,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-20 05:47:18,226 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 205 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 05:47:18,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 390 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 05:47:18,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-20 05:47:18,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 175. [2024-11-20 05:47:18,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 118 states have (on average 1.3305084745762712) internal successors, (157), 118 states have internal predecessors, (157), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-20 05:47:18,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 261 transitions. [2024-11-20 05:47:18,239 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 261 transitions. Word has length 164 [2024-11-20 05:47:18,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:47:18,239 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 261 transitions. [2024-11-20 05:47:18,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-20 05:47:18,239 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 261 transitions. [2024-11-20 05:47:18,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-20 05:47:18,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:47:18,240 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:47:18,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-20 05:47:18,240 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:47:18,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:47:18,240 INFO L85 PathProgramCache]: Analyzing trace with hash -992432185, now seen corresponding path program 1 times [2024-11-20 05:47:18,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:47:18,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491804750] [2024-11-20 05:47:18,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:47:18,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:47:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat