./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_codestructure_steplocals_file-34.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f39f68f55c90deb8496cdc58f18787083a238252dfdfe92f73d39acb627ae3ba --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 00:12:10,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 00:12:10,867 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 00:12:10,873 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 00:12:10,873 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 00:12:10,901 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 00:12:10,904 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 00:12:10,905 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 00:12:10,905 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 00:12:10,906 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 00:12:10,907 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 00:12:10,907 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 00:12:10,908 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 00:12:10,909 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 00:12:10,911 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 00:12:10,911 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 00:12:10,911 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 00:12:10,912 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 00:12:10,912 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 00:12:10,912 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 00:12:10,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 00:12:10,916 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 00:12:10,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 00:12:10,917 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 00:12:10,917 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 00:12:10,917 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 00:12:10,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 00:12:10,918 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 00:12:10,918 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 00:12:10,919 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 00:12:10,919 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 00:12:10,919 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 00:12:10,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 00:12:10,920 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 00:12:10,920 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 00:12:10,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 00:12:10,923 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 00:12:10,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 00:12:10,923 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 00:12:10,923 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 00:12:10,924 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 00:12:10,924 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 00:12:10,924 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f39f68f55c90deb8496cdc58f18787083a238252dfdfe92f73d39acb627ae3ba [2024-10-13 00:12:11,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 00:12:11,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 00:12:11,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 00:12:11,240 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 00:12:11,240 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 00:12:11,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i [2024-10-13 00:12:12,725 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 00:12:12,932 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 00:12:12,932 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i [2024-10-13 00:12:12,944 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f71a46ef/0f1854d50c6c4125bbf6509ca1d2d91e/FLAGdb8ab991e [2024-10-13 00:12:12,957 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f71a46ef/0f1854d50c6c4125bbf6509ca1d2d91e [2024-10-13 00:12:12,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 00:12:12,961 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 00:12:12,962 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 00:12:12,962 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 00:12:12,967 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 00:12:12,970 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:12:12" (1/1) ... [2024-10-13 00:12:12,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e0fa73d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:12:12, skipping insertion in model container [2024-10-13 00:12:12,971 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:12:12" (1/1) ... [2024-10-13 00:12:13,001 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 00:12:13,191 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i[917,930] [2024-10-13 00:12:13,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 00:12:13,286 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 00:12:13,301 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i[917,930] [2024-10-13 00:12:13,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 00:12:13,362 INFO L204 MainTranslator]: Completed translation [2024-10-13 00:12:13,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:12:13 WrapperNode [2024-10-13 00:12:13,363 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 00:12:13,364 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 00:12:13,365 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 00:12:13,365 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 00:12:13,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:12:13" (1/1) ... [2024-10-13 00:12:13,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:12:13" (1/1) ... [2024-10-13 00:12:13,464 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 202 [2024-10-13 00:12:13,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 00:12:13,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 00:12:13,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 00:12:13,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 00:12:13,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:12:13" (1/1) ... [2024-10-13 00:12:13,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:12:13" (1/1) ... [2024-10-13 00:12:13,487 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:12:13" (1/1) ... [2024-10-13 00:12:13,538 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 00:12:13,540 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:12:13" (1/1) ... [2024-10-13 00:12:13,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:12:13" (1/1) ... [2024-10-13 00:12:13,562 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:12:13" (1/1) ... [2024-10-13 00:12:13,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:12:13" (1/1) ... [2024-10-13 00:12:13,572 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:12:13" (1/1) ... [2024-10-13 00:12:13,578 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:12:13" (1/1) ... [2024-10-13 00:12:13,589 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 00:12:13,590 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 00:12:13,591 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 00:12:13,591 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 00:12:13,592 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:12:13" (1/1) ... [2024-10-13 00:12:13,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 00:12:13,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 00:12:13,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 00:12:13,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 00:12:13,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 00:12:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 00:12:13,689 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 00:12:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 00:12:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 00:12:13,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 00:12:13,777 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 00:12:13,781 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 00:12:14,220 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-10-13 00:12:14,220 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 00:12:14,269 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 00:12:14,269 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 00:12:14,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:12:14 BoogieIcfgContainer [2024-10-13 00:12:14,270 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 00:12:14,272 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 00:12:14,272 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 00:12:14,276 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 00:12:14,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:12:12" (1/3) ... [2024-10-13 00:12:14,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d1bd186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:12:14, skipping insertion in model container [2024-10-13 00:12:14,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:12:13" (2/3) ... [2024-10-13 00:12:14,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d1bd186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:12:14, skipping insertion in model container [2024-10-13 00:12:14,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:12:14" (3/3) ... [2024-10-13 00:12:14,281 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-34.i [2024-10-13 00:12:14,294 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 00:12:14,295 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 00:12:14,359 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 00:12:14,365 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;@1fcea87d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 00:12:14,365 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 00:12:14,369 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 57 states have (on average 1.4736842105263157) internal successors, (84), 58 states have internal predecessors, (84), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 00:12:14,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-10-13 00:12:14,383 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:12:14,384 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:12:14,384 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:12:14,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:12:14,390 INFO L85 PathProgramCache]: Analyzing trace with hash -16611301, now seen corresponding path program 1 times [2024-10-13 00:12:14,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:12:14,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537495318] [2024-10-13 00:12:14,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:12:14,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:12:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:14,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:12:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:14,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:12:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:14,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:12:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:14,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:12:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:14,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:12:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:14,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:12:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:14,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:12:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:14,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:12:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:14,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:12:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:14,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:12:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:14,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:12:14,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:14,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:12:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:14,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:12:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:14,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:12:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:14,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:12:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:14,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:12:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:14,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:12:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:14,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:12:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:14,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:12:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:14,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:12:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:14,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:12:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:14,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:12:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:15,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:12:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:15,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:12:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:15,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:12:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:15,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:12:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:15,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:12:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:15,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:12:15,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:12:15,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537495318] [2024-10-13 00:12:15,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537495318] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:12:15,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:12:15,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 00:12:15,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648712595] [2024-10-13 00:12:15,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:12:15,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 00:12:15,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:12:15,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 00:12:15,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 00:12:15,106 INFO L87 Difference]: Start difference. First operand has 87 states, 57 states have (on average 1.4736842105263157) internal successors, (84), 58 states have internal predecessors, (84), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:15,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:12:15,182 INFO L93 Difference]: Finished difference Result 209 states and 362 transitions. [2024-10-13 00:12:15,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 00:12:15,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 168 [2024-10-13 00:12:15,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:12:15,198 INFO L225 Difference]: With dead ends: 209 [2024-10-13 00:12:15,198 INFO L226 Difference]: Without dead ends: 123 [2024-10-13 00:12:15,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 00:12:15,206 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 52 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 00:12:15,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 252 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 00:12:15,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-10-13 00:12:15,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 91. [2024-10-13 00:12:15,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 62 states have (on average 1.4193548387096775) internal successors, (88), 62 states have internal predecessors, (88), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 00:12:15,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 142 transitions. [2024-10-13 00:12:15,252 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 142 transitions. Word has length 168 [2024-10-13 00:12:15,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:12:15,256 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 142 transitions. [2024-10-13 00:12:15,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:15,257 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 142 transitions. [2024-10-13 00:12:15,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-10-13 00:12:15,262 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:12:15,263 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:12:15,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 00:12:15,263 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:12:15,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:12:15,264 INFO L85 PathProgramCache]: Analyzing trace with hash -603417315, now seen corresponding path program 1 times [2024-10-13 00:12:15,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:12:15,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120880644] [2024-10-13 00:12:15,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:12:15,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:12:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:17,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:12:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:17,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:12:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:17,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:12:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:17,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:12:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:17,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:12:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:17,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:12:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:17,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:12:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:17,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:12:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:17,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:12:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:17,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:12:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:17,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:12:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:17,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:12:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:17,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:12:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:17,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:12:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:17,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:12:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:17,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:12:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:17,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:12:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:17,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:12:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:17,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:12:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:17,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:12:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:17,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:12:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:17,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:12:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:17,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:12:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:17,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:12:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:17,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:12:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:17,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:12:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:17,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:12:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:17,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:12:17,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:12:17,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120880644] [2024-10-13 00:12:17,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120880644] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:12:17,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:12:17,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 00:12:17,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604676748] [2024-10-13 00:12:17,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:12:17,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 00:12:17,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:12:17,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 00:12:17,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-10-13 00:12:17,198 INFO L87 Difference]: Start difference. First operand 91 states and 142 transitions. Second operand has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:17,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:12:17,669 INFO L93 Difference]: Finished difference Result 281 states and 432 transitions. [2024-10-13 00:12:17,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 00:12:17,670 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 168 [2024-10-13 00:12:17,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:12:17,673 INFO L225 Difference]: With dead ends: 281 [2024-10-13 00:12:17,675 INFO L226 Difference]: Without dead ends: 191 [2024-10-13 00:12:17,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-13 00:12:17,679 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 191 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 00:12:17,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 524 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 00:12:17,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-10-13 00:12:17,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 111. [2024-10-13 00:12:17,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 82 states have (on average 1.451219512195122) internal successors, (119), 82 states have internal predecessors, (119), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 00:12:17,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 173 transitions. [2024-10-13 00:12:17,708 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 173 transitions. Word has length 168 [2024-10-13 00:12:17,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:12:17,708 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 173 transitions. [2024-10-13 00:12:17,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:17,709 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 173 transitions. [2024-10-13 00:12:17,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-10-13 00:12:17,714 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:12:17,714 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:12:17,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 00:12:17,715 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:12:17,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:12:17,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1614534565, now seen corresponding path program 1 times [2024-10-13 00:12:17,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:12:17,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801069305] [2024-10-13 00:12:17,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:12:17,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:12:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:21,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:12:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:21,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:12:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:21,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:12:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:21,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:12:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:21,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:12:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:21,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:12:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:21,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:12:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:21,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:12:21,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:21,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:12:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:21,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:12:21,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:21,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:12:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:21,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:12:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:21,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:12:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:21,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:12:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:21,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:12:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:21,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:12:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:21,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:12:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:21,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:12:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:21,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:12:21,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:21,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:12:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:21,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:12:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:21,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:12:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:21,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:12:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:21,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:12:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:21,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:12:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:21,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:12:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:21,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:12:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:21,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:12:21,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:12:21,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801069305] [2024-10-13 00:12:21,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801069305] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:12:21,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:12:21,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-13 00:12:21,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230635384] [2024-10-13 00:12:21,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:12:21,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 00:12:21,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:12:21,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 00:12:21,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-10-13 00:12:21,370 INFO L87 Difference]: Start difference. First operand 111 states and 173 transitions. Second operand has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 13 states have internal predecessors, (36), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:23,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:12:23,604 INFO L93 Difference]: Finished difference Result 412 states and 635 transitions. [2024-10-13 00:12:23,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 00:12:23,605 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 13 states have internal predecessors, (36), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 168 [2024-10-13 00:12:23,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:12:23,609 INFO L225 Difference]: With dead ends: 412 [2024-10-13 00:12:23,611 INFO L226 Difference]: Without dead ends: 302 [2024-10-13 00:12:23,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2024-10-13 00:12:23,613 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 399 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-13 00:12:23,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 702 Invalid, 924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 920 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-13 00:12:23,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-10-13 00:12:23,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 230. [2024-10-13 00:12:23,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 173 states have (on average 1.4682080924855492) internal successors, (254), 173 states have internal predecessors, (254), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-13 00:12:23,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 362 transitions. [2024-10-13 00:12:23,654 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 362 transitions. Word has length 168 [2024-10-13 00:12:23,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:12:23,655 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 362 transitions. [2024-10-13 00:12:23,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 13 states have internal predecessors, (36), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:23,656 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 362 transitions. [2024-10-13 00:12:23,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-10-13 00:12:23,662 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:12:23,662 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:12:23,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 00:12:23,663 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:12:23,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:12:23,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1557276263, now seen corresponding path program 1 times [2024-10-13 00:12:23,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:12:23,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537272070] [2024-10-13 00:12:23,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:12:23,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:12:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:24,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:12:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:24,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:12:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:24,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:12:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:24,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:12:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:24,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:12:24,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:24,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:12:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:24,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:12:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:24,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:12:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:24,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:12:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:24,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:12:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:24,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:12:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:24,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:12:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:24,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:12:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:24,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:12:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:24,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:12:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:24,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:12:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:24,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:12:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:24,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:12:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:24,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:12:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:24,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:12:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:24,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:12:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:24,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:12:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:24,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:12:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:24,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:12:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:24,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:12:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:24,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:12:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:24,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:12:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:24,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:12:24,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:12:24,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537272070] [2024-10-13 00:12:24,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537272070] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:12:24,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:12:24,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 00:12:24,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244129857] [2024-10-13 00:12:24,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:12:24,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 00:12:24,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:12:24,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 00:12:24,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-13 00:12:24,629 INFO L87 Difference]: Start difference. First operand 230 states and 362 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, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:24,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:12:24,946 INFO L93 Difference]: Finished difference Result 569 states and 889 transitions. [2024-10-13 00:12:24,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 00:12:24,950 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, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 168 [2024-10-13 00:12:24,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:12:24,955 INFO L225 Difference]: With dead ends: 569 [2024-10-13 00:12:24,955 INFO L226 Difference]: Without dead ends: 340 [2024-10-13 00:12:24,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-13 00:12:24,957 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 132 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 00:12:24,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 579 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 00:12:24,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-10-13 00:12:24,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 111. [2024-10-13 00:12:24,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 82 states have (on average 1.451219512195122) internal successors, (119), 82 states have internal predecessors, (119), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 00:12:24,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 173 transitions. [2024-10-13 00:12:24,980 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 173 transitions. Word has length 168 [2024-10-13 00:12:24,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:12:24,982 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 173 transitions. [2024-10-13 00:12:24,982 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, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:24,982 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 173 transitions. [2024-10-13 00:12:24,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-13 00:12:24,986 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:12:24,986 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:12:24,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 00:12:24,986 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:12:24,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:12:24,987 INFO L85 PathProgramCache]: Analyzing trace with hash 420256542, now seen corresponding path program 1 times [2024-10-13 00:12:24,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:12:24,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856038112] [2024-10-13 00:12:24,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:12:24,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:12:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:26,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:12:26,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:26,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:12:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:26,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:12:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:26,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:12:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:26,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:12:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:26,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:12:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:26,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:12:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:26,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:12:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:26,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:12:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:26,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:12:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:26,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:12:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:26,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:12:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:26,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:12:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:26,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:12:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:26,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:12:26,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:26,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:12:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:26,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:12:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:26,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:12:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:26,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:12:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:26,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:12:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:26,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:12:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:26,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:12:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:26,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:12:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:26,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:12:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:26,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:12:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:26,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:12:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:26,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:12:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:26,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:12:26,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:12:26,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856038112] [2024-10-13 00:12:26,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856038112] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:12:26,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:12:26,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 00:12:26,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163849076] [2024-10-13 00:12:26,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:12:26,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 00:12:26,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:12:26,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 00:12:26,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-10-13 00:12:26,895 INFO L87 Difference]: Start difference. First operand 111 states and 173 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:27,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:12:27,722 INFO L93 Difference]: Finished difference Result 347 states and 534 transitions. [2024-10-13 00:12:27,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 00:12:27,724 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 169 [2024-10-13 00:12:27,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:12:27,727 INFO L225 Difference]: With dead ends: 347 [2024-10-13 00:12:27,727 INFO L226 Difference]: Without dead ends: 237 [2024-10-13 00:12:27,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-13 00:12:27,730 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 264 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 00:12:27,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 504 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 00:12:27,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-10-13 00:12:27,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 113. [2024-10-13 00:12:27,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 84 states have internal predecessors, (122), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 00:12:27,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 176 transitions. [2024-10-13 00:12:27,740 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 176 transitions. Word has length 169 [2024-10-13 00:12:27,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:12:27,741 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 176 transitions. [2024-10-13 00:12:27,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:27,742 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 176 transitions. [2024-10-13 00:12:27,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-13 00:12:27,743 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:12:27,743 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:12:27,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 00:12:27,744 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:12:27,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:12:27,745 INFO L85 PathProgramCache]: Analyzing trace with hash -590860708, now seen corresponding path program 1 times [2024-10-13 00:12:27,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:12:27,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93152313] [2024-10-13 00:12:27,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:12:27,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:12:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:31,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:12:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:31,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:12:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:31,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:12:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:31,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:12:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:31,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:12:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:31,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:12:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:31,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:12:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:31,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:12:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:31,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:12:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:31,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:12:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:31,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:12:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:31,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:12:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:31,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:12:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:31,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:12:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:31,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:12:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:31,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:12:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:31,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:12:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:31,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:12:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:31,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:12:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:31,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:12:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:31,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:12:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:31,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:12:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:31,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:12:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:31,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:12:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:31,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:12:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:31,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:12:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:31,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:12:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:31,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:12:31,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:12:31,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93152313] [2024-10-13 00:12:31,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93152313] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:12:31,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:12:31,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 00:12:31,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285903836] [2024-10-13 00:12:31,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:12:31,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 00:12:31,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:12:31,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 00:12:31,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-10-13 00:12:31,605 INFO L87 Difference]: Start difference. First operand 113 states and 176 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, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:33,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:12:33,159 INFO L93 Difference]: Finished difference Result 341 states and 521 transitions. [2024-10-13 00:12:33,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 00:12:33,162 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, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 169 [2024-10-13 00:12:33,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:12:33,164 INFO L225 Difference]: With dead ends: 341 [2024-10-13 00:12:33,164 INFO L226 Difference]: Without dead ends: 229 [2024-10-13 00:12:33,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-10-13 00:12:33,166 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 336 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-13 00:12:33,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 481 Invalid, 744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-13 00:12:33,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2024-10-13 00:12:33,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 127. [2024-10-13 00:12:33,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 98 states have (on average 1.469387755102041) internal successors, (144), 98 states have internal predecessors, (144), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 00:12:33,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 198 transitions. [2024-10-13 00:12:33,175 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 198 transitions. Word has length 169 [2024-10-13 00:12:33,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:12:33,176 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 198 transitions. [2024-10-13 00:12:33,176 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, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:33,176 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 198 transitions. [2024-10-13 00:12:33,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-13 00:12:33,178 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:12:33,178 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:12:33,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 00:12:33,179 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:12:33,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:12:33,180 INFO L85 PathProgramCache]: Analyzing trace with hash -533602406, now seen corresponding path program 1 times [2024-10-13 00:12:33,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:12:33,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135609556] [2024-10-13 00:12:33,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:12:33,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:12:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:35,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:12:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:35,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:12:35,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:35,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:12:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:35,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:12:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:35,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:12:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:35,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:12:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:35,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:12:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:35,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:12:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:35,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:12:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:35,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:12:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:35,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:12:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:35,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:12:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:35,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:12:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:35,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:12:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:35,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:12:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:35,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:12:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:35,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:12:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:35,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:12:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:35,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:12:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:35,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:12:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:35,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:12:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:35,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:12:35,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:35,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:12:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:35,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:12:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:35,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:12:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:35,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:12:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:35,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:12:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:35,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:12:35,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:12:35,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135609556] [2024-10-13 00:12:35,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135609556] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:12:35,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:12:35,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 00:12:36,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49119682] [2024-10-13 00:12:36,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:12:36,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 00:12:36,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:12:36,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 00:12:36,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-13 00:12:36,001 INFO L87 Difference]: Start difference. First operand 127 states and 198 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, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:37,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:12:37,310 INFO L93 Difference]: Finished difference Result 324 states and 501 transitions. [2024-10-13 00:12:37,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 00:12:37,311 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, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 169 [2024-10-13 00:12:37,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:12:37,312 INFO L225 Difference]: With dead ends: 324 [2024-10-13 00:12:37,313 INFO L226 Difference]: Without dead ends: 198 [2024-10-13 00:12:37,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 00:12:37,314 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 152 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 00:12:37,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 514 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 00:12:37,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-10-13 00:12:37,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 137. [2024-10-13 00:12:37,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 108 states have (on average 1.4537037037037037) internal successors, (157), 108 states have internal predecessors, (157), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 00:12:37,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 211 transitions. [2024-10-13 00:12:37,323 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 211 transitions. Word has length 169 [2024-10-13 00:12:37,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:12:37,323 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 211 transitions. [2024-10-13 00:12:37,324 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, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:37,324 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 211 transitions. [2024-10-13 00:12:37,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-13 00:12:37,325 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:12:37,326 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:12:37,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 00:12:37,326 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:12:37,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:12:37,327 INFO L85 PathProgramCache]: Analyzing trace with hash -600811812, now seen corresponding path program 1 times [2024-10-13 00:12:37,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:12:37,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113850235] [2024-10-13 00:12:37,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:12:37,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:12:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:37,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:12:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:37,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:12:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:37,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:12:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:37,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:12:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:37,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:12:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:37,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:12:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:37,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:12:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:37,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:12:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:37,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:12:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:37,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:12:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:37,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:12:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:37,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:12:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:37,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:12:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:37,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:12:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:37,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:12:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:37,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:12:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:37,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:12:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:37,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:12:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:37,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:12:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:37,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:12:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:37,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:12:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:37,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:12:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:37,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:12:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:37,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:12:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:37,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:12:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:37,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:12:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:37,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:12:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:37,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:12:37,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:12:37,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113850235] [2024-10-13 00:12:37,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113850235] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:12:37,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:12:37,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 00:12:37,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528781970] [2024-10-13 00:12:37,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:12:37,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 00:12:37,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:12:37,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 00:12:37,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 00:12:37,593 INFO L87 Difference]: Start difference. First operand 137 states and 211 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, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:37,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:12:37,785 INFO L93 Difference]: Finished difference Result 319 states and 489 transitions. [2024-10-13 00:12:37,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 00:12:37,786 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, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 169 [2024-10-13 00:12:37,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:12:37,788 INFO L225 Difference]: With dead ends: 319 [2024-10-13 00:12:37,789 INFO L226 Difference]: Without dead ends: 183 [2024-10-13 00:12:37,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 00:12:37,790 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 63 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 00:12:37,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 350 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 00:12:37,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-10-13 00:12:37,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 180. [2024-10-13 00:12:37,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 146 states have (on average 1.4657534246575343) internal successors, (214), 147 states have internal predecessors, (214), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 00:12:37,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 276 transitions. [2024-10-13 00:12:37,800 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 276 transitions. Word has length 169 [2024-10-13 00:12:37,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:12:37,803 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 276 transitions. [2024-10-13 00:12:37,803 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, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:37,803 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 276 transitions. [2024-10-13 00:12:37,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-13 00:12:37,805 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:12:37,806 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:12:37,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 00:12:37,806 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:12:37,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:12:37,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1840632017, now seen corresponding path program 1 times [2024-10-13 00:12:37,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:12:37,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527397740] [2024-10-13 00:12:37,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:12:37,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:12:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:38,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:12:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:38,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:12:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:38,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:12:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:38,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:12:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:38,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:12:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:38,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:12:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:38,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:12:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:38,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:12:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:38,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:12:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:38,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:12:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:38,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:12:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:38,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:12:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:38,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:12:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:38,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:12:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:38,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:12:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:38,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:12:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:38,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:12:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:38,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:12:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:38,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:12:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:38,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:12:38,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:38,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:12:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:38,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:12:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:38,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:12:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:38,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:12:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:38,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:12:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:38,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:12:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:38,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:12:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:38,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:12:38,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:12:38,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527397740] [2024-10-13 00:12:38,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527397740] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:12:38,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:12:38,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 00:12:38,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816087056] [2024-10-13 00:12:38,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:12:38,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 00:12:38,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:12:38,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 00:12:38,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 00:12:38,643 INFO L87 Difference]: Start difference. First operand 180 states and 276 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, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:39,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:12:39,034 INFO L93 Difference]: Finished difference Result 542 states and 830 transitions. [2024-10-13 00:12:39,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 00:12:39,035 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, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 169 [2024-10-13 00:12:39,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:12:39,040 INFO L225 Difference]: With dead ends: 542 [2024-10-13 00:12:39,040 INFO L226 Difference]: Without dead ends: 363 [2024-10-13 00:12:39,041 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-13 00:12:39,043 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 182 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 00:12:39,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 523 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 00:12:39,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-10-13 00:12:39,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 207. [2024-10-13 00:12:39,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 173 states have (on average 1.4624277456647399) internal successors, (253), 174 states have internal predecessors, (253), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 00:12:39,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 315 transitions. [2024-10-13 00:12:39,057 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 315 transitions. Word has length 169 [2024-10-13 00:12:39,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:12:39,058 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 315 transitions. [2024-10-13 00:12:39,058 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, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:39,059 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 315 transitions. [2024-10-13 00:12:39,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-13 00:12:39,062 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:12:39,062 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:12:39,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 00:12:39,063 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:12:39,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:12:39,063 INFO L85 PathProgramCache]: Analyzing trace with hash 829514767, now seen corresponding path program 1 times [2024-10-13 00:12:39,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:12:39,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593661966] [2024-10-13 00:12:39,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:12:39,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:12:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:39,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:12:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:39,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:12:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:39,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:12:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:39,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:12:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:39,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:12:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:39,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:12:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:39,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:12:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:39,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:12:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:39,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:12:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:39,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:12:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:39,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:12:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:39,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:12:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:39,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:12:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:39,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:12:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:39,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:12:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:39,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:12:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:39,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:12:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:39,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:12:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:39,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:12:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:39,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:12:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:39,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:12:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:39,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:12:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:39,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:12:39,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:39,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:12:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:39,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:12:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:39,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:12:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:39,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:12:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:39,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:12:39,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:12:39,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593661966] [2024-10-13 00:12:39,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593661966] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:12:39,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:12:39,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 00:12:39,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966413274] [2024-10-13 00:12:39,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:12:39,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 00:12:39,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:12:39,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 00:12:39,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-13 00:12:39,686 INFO L87 Difference]: Start difference. First operand 207 states and 315 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:40,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:12:40,037 INFO L93 Difference]: Finished difference Result 569 states and 861 transitions. [2024-10-13 00:12:40,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 00:12:40,038 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 169 [2024-10-13 00:12:40,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:12:40,041 INFO L225 Difference]: With dead ends: 569 [2024-10-13 00:12:40,041 INFO L226 Difference]: Without dead ends: 363 [2024-10-13 00:12:40,041 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-13 00:12:40,042 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 224 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 00:12:40,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 513 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 00:12:40,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-10-13 00:12:40,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 233. [2024-10-13 00:12:40,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 199 states have (on average 1.4572864321608041) internal successors, (290), 200 states have internal predecessors, (290), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 00:12:40,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 352 transitions. [2024-10-13 00:12:40,058 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 352 transitions. Word has length 169 [2024-10-13 00:12:40,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:12:40,058 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 352 transitions. [2024-10-13 00:12:40,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:40,059 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 352 transitions. [2024-10-13 00:12:40,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-13 00:12:40,060 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:12:40,061 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:12:40,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 00:12:40,061 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:12:40,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:12:40,062 INFO L85 PathProgramCache]: Analyzing trace with hash -460190573, now seen corresponding path program 1 times [2024-10-13 00:12:40,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:12:40,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194206476] [2024-10-13 00:12:40,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:12:40,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:12:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:41,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:12:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:41,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:12:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:41,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:12:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:41,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:12:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:41,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:12:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:41,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:12:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:41,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:12:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:41,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:12:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:41,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:12:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:41,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:12:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:41,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:12:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:41,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:12:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:41,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:12:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:41,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:12:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:41,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:12:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:41,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:12:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:41,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:12:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:41,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:12:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:41,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:12:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:41,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:12:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:41,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:12:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:41,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:12:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:41,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:12:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:41,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:12:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:41,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:12:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:41,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:12:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:41,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:12:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:41,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:12:41,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:12:41,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194206476] [2024-10-13 00:12:41,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194206476] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:12:41,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:12:41,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 00:12:41,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972952445] [2024-10-13 00:12:41,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:12:41,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 00:12:41,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:12:41,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 00:12:41,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-13 00:12:41,899 INFO L87 Difference]: Start difference. First operand 233 states and 352 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, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:42,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:12:42,856 INFO L93 Difference]: Finished difference Result 664 states and 1000 transitions. [2024-10-13 00:12:42,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 00:12:42,857 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, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 169 [2024-10-13 00:12:42,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:12:42,859 INFO L225 Difference]: With dead ends: 664 [2024-10-13 00:12:42,860 INFO L226 Difference]: Without dead ends: 432 [2024-10-13 00:12:42,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-13 00:12:42,861 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 410 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 00:12:42,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 415 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 00:12:42,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-10-13 00:12:42,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 235. [2024-10-13 00:12:42,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 201 states have (on average 1.4577114427860696) internal successors, (293), 202 states have internal predecessors, (293), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 00:12:42,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 355 transitions. [2024-10-13 00:12:42,877 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 355 transitions. Word has length 169 [2024-10-13 00:12:42,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:12:42,877 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 355 transitions. [2024-10-13 00:12:42,877 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, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:42,877 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 355 transitions. [2024-10-13 00:12:42,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-13 00:12:42,879 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:12:42,879 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:12:42,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 00:12:42,880 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:12:42,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:12:42,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1471307823, now seen corresponding path program 1 times [2024-10-13 00:12:42,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:12:42,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333870737] [2024-10-13 00:12:42,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:12:42,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:12:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:44,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:12:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:44,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:12:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:44,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:12:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:44,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:12:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:44,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:12:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:44,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:12:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:44,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:12:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:44,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:12:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:44,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:12:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:44,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:12:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:44,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:12:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:44,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:12:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:44,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:12:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:44,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:12:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:44,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:12:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:44,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:12:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:44,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:12:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:44,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:12:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:44,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:12:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:44,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:12:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:44,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:12:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:44,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:12:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:44,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:12:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:44,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:12:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:44,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:12:44,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:44,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:12:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:44,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:12:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:44,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:12:44,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:12:44,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333870737] [2024-10-13 00:12:44,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333870737] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:12:44,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:12:44,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 00:12:44,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888051515] [2024-10-13 00:12:44,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:12:44,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 00:12:44,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:12:44,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 00:12:44,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-13 00:12:44,194 INFO L87 Difference]: Start difference. First operand 235 states and 355 transitions. Second operand has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:44,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:12:44,905 INFO L93 Difference]: Finished difference Result 602 states and 907 transitions. [2024-10-13 00:12:44,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 00:12:44,907 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 169 [2024-10-13 00:12:44,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:12:44,909 INFO L225 Difference]: With dead ends: 602 [2024-10-13 00:12:44,910 INFO L226 Difference]: Without dead ends: 368 [2024-10-13 00:12:44,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-10-13 00:12:44,911 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 160 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 00:12:44,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 668 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 00:12:44,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-10-13 00:12:44,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 235. [2024-10-13 00:12:44,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 201 states have (on average 1.4577114427860696) internal successors, (293), 202 states have internal predecessors, (293), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 00:12:44,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 355 transitions. [2024-10-13 00:12:44,922 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 355 transitions. Word has length 169 [2024-10-13 00:12:44,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:12:44,923 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 355 transitions. [2024-10-13 00:12:44,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.7) internal successors, (37), 10 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:44,923 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 355 transitions. [2024-10-13 00:12:44,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-13 00:12:44,925 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:12:44,925 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:12:44,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 00:12:44,925 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:12:44,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:12:44,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1472987140, now seen corresponding path program 1 times [2024-10-13 00:12:44,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:12:44,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440952360] [2024-10-13 00:12:44,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:12:44,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:12:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:45,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:12:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:45,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:12:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:45,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:12:45,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:45,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:12:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:45,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:12:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:45,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:12:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:45,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:12:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:45,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:12:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:45,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:12:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:45,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:12:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:45,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:12:45,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:45,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:12:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:45,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:12:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:45,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:12:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:45,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:12:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:45,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:12:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:45,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:12:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:45,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:12:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:45,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:12:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:45,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:12:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:45,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:12:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:45,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:12:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:45,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:12:45,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:45,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:12:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:45,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:12:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:45,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:12:45,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:45,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:12:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:45,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:12:45,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:12:45,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440952360] [2024-10-13 00:12:45,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440952360] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:12:45,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:12:45,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 00:12:45,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694822948] [2024-10-13 00:12:45,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:12:45,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 00:12:45,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:12:45,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 00:12:45,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 00:12:45,068 INFO L87 Difference]: Start difference. First operand 235 states and 355 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:45,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:12:45,216 INFO L93 Difference]: Finished difference Result 474 states and 715 transitions. [2024-10-13 00:12:45,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 00:12:45,217 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 170 [2024-10-13 00:12:45,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:12:45,219 INFO L225 Difference]: With dead ends: 474 [2024-10-13 00:12:45,220 INFO L226 Difference]: Without dead ends: 240 [2024-10-13 00:12:45,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 00:12:45,221 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 61 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 00:12:45,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 375 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 00:12:45,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-10-13 00:12:45,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 235. [2024-10-13 00:12:45,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 201 states have (on average 1.4577114427860696) internal successors, (293), 202 states have internal predecessors, (293), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 00:12:45,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 355 transitions. [2024-10-13 00:12:45,232 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 355 transitions. Word has length 170 [2024-10-13 00:12:45,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:12:45,232 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 355 transitions. [2024-10-13 00:12:45,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:45,233 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 355 transitions. [2024-10-13 00:12:45,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-13 00:12:45,234 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:12:45,234 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:12:45,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 00:12:45,234 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:12:45,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:12:45,235 INFO L85 PathProgramCache]: Analyzing trace with hash 141007012, now seen corresponding path program 1 times [2024-10-13 00:12:45,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:12:45,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099245840] [2024-10-13 00:12:45,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:12:45,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:12:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:48,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:12:48,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:48,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:12:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:48,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:12:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:48,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:12:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:48,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:12:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:48,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:12:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:48,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:12:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:48,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:12:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:48,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:12:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:48,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:12:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:48,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:12:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:48,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:12:48,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:48,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:12:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:48,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:12:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:48,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:12:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:48,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:12:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:48,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:12:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:48,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:12:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:48,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:12:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:48,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:12:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:48,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:12:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:48,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:12:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:48,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:12:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:48,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:12:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:48,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:12:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:48,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:12:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:48,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:12:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:48,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:12:48,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:12:48,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099245840] [2024-10-13 00:12:48,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099245840] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:12:48,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:12:48,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 00:12:48,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870189424] [2024-10-13 00:12:48,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:12:48,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 00:12:48,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:12:48,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 00:12:48,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-13 00:12:48,055 INFO L87 Difference]: Start difference. First operand 235 states and 355 transitions. Second operand has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 12 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:50,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:12:50,162 INFO L93 Difference]: Finished difference Result 712 states and 1070 transitions. [2024-10-13 00:12:50,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 00:12:50,164 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 12 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 170 [2024-10-13 00:12:50,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:12:50,166 INFO L225 Difference]: With dead ends: 712 [2024-10-13 00:12:50,168 INFO L226 Difference]: Without dead ends: 478 [2024-10-13 00:12:50,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-10-13 00:12:50,170 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 363 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 857 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-13 00:12:50,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 817 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 857 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-13 00:12:50,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2024-10-13 00:12:50,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 249. [2024-10-13 00:12:50,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 215 states have (on average 1.4651162790697674) internal successors, (315), 216 states have internal predecessors, (315), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 00:12:50,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 377 transitions. [2024-10-13 00:12:50,183 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 377 transitions. Word has length 170 [2024-10-13 00:12:50,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:12:50,184 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 377 transitions. [2024-10-13 00:12:50,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 12 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:50,184 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 377 transitions. [2024-10-13 00:12:50,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-13 00:12:50,185 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:12:50,185 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:12:50,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 00:12:50,185 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:12:50,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:12:50,186 INFO L85 PathProgramCache]: Analyzing trace with hash 198265314, now seen corresponding path program 1 times [2024-10-13 00:12:50,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:12:50,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27330363] [2024-10-13 00:12:50,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:12:50,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:12:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:52,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:12:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:52,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:12:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:52,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:12:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:52,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:12:52,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:52,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:12:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:52,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:12:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:52,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:12:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:52,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:12:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:52,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:12:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:52,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:12:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:52,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:12:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:52,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:12:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:52,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:12:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:52,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:12:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:52,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:12:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:52,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:12:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:52,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:12:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:52,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:12:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:52,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:12:52,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:52,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:12:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:52,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:12:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:52,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:12:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:52,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:12:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:52,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:12:52,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:52,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:12:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:52,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:12:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:52,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:12:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:12:52,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:12:52,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:12:52,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27330363] [2024-10-13 00:12:52,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27330363] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:12:52,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:12:52,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 00:12:52,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353335748] [2024-10-13 00:12:52,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:12:52,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 00:12:52,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:12:52,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 00:12:52,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-13 00:12:52,351 INFO L87 Difference]: Start difference. First operand 249 states and 377 transitions. Second operand has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:53,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:12:53,250 INFO L93 Difference]: Finished difference Result 670 states and 1009 transitions. [2024-10-13 00:12:53,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 00:12:53,251 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 170 [2024-10-13 00:12:53,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:12:53,254 INFO L225 Difference]: With dead ends: 670 [2024-10-13 00:12:53,254 INFO L226 Difference]: Without dead ends: 422 [2024-10-13 00:12:53,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2024-10-13 00:12:53,255 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 602 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 00:12:53,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 511 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 00:12:53,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-10-13 00:12:53,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 235. [2024-10-13 00:12:53,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 201 states have (on average 1.4577114427860696) internal successors, (293), 202 states have internal predecessors, (293), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 00:12:53,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 355 transitions. [2024-10-13 00:12:53,268 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 355 transitions. Word has length 170 [2024-10-13 00:12:53,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:12:53,268 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 355 transitions. [2024-10-13 00:12:53,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:12:53,269 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 355 transitions. [2024-10-13 00:12:53,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-13 00:12:53,270 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:12:53,270 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:12:53,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 00:12:53,270 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:12:53,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:12:53,271 INFO L85 PathProgramCache]: Analyzing trace with hash -870110238, now seen corresponding path program 1 times [2024-10-13 00:12:53,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:12:53,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45010222] [2024-10-13 00:12:53,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:12:53,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:12:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:09,021 WARN L286 SmtUtils]: Spent 12.65s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-13 00:13:11,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:13:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:11,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:13:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:11,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:13:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:11,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:13:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:11,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:13:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:11,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:13:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:11,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:13:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:11,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:13:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:11,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:13:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:11,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:13:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:11,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:13:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:11,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:13:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:11,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:13:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:11,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:13:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:11,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:13:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:11,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:13:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:11,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:13:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:11,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:13:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:11,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:13:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:11,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:13:11,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:11,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:13:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:11,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:13:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:11,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:13:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:11,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:13:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:11,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:13:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:11,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:13:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:11,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:13:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:11,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:13:11,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:13:11,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45010222] [2024-10-13 00:13:11,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45010222] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:13:11,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:13:11,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-13 00:13:11,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499438883] [2024-10-13 00:13:11,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:13:11,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 00:13:11,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:13:11,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 00:13:11,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-10-13 00:13:11,329 INFO L87 Difference]: Start difference. First operand 235 states and 355 transitions. Second operand has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:13:13,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:13:13,245 INFO L93 Difference]: Finished difference Result 662 states and 994 transitions. [2024-10-13 00:13:13,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 00:13:13,246 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 170 [2024-10-13 00:13:13,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:13:13,249 INFO L225 Difference]: With dead ends: 662 [2024-10-13 00:13:13,249 INFO L226 Difference]: Without dead ends: 428 [2024-10-13 00:13:13,250 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2024-10-13 00:13:13,250 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 558 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-13 00:13:13,251 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 525 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-13 00:13:13,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-10-13 00:13:13,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 233. [2024-10-13 00:13:13,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 199 states have (on average 1.4522613065326633) internal successors, (289), 200 states have internal predecessors, (289), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 00:13:13,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 351 transitions. [2024-10-13 00:13:13,264 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 351 transitions. Word has length 170 [2024-10-13 00:13:13,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:13:13,264 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 351 transitions. [2024-10-13 00:13:13,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:13:13,265 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 351 transitions. [2024-10-13 00:13:13,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-13 00:13:13,266 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:13:13,266 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:13:13,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-13 00:13:13,267 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:13:13,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:13:13,267 INFO L85 PathProgramCache]: Analyzing trace with hash -812851936, now seen corresponding path program 1 times [2024-10-13 00:13:13,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:13:13,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681402873] [2024-10-13 00:13:13,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:13:13,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:13:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:15,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:13:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:15,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:13:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:15,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:13:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:15,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:13:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:15,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:13:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:15,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:13:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:15,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:13:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:15,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:13:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:15,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:13:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:15,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:13:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:15,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:13:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:15,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:13:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:15,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:13:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:15,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:13:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:15,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:13:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:15,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:13:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:15,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:13:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:15,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:13:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:15,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:13:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:15,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:13:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:15,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:13:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:15,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:13:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:15,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:13:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:15,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:13:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:15,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:13:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:15,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:13:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:15,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:13:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:15,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:13:15,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:13:15,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681402873] [2024-10-13 00:13:15,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681402873] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:13:15,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:13:15,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 00:13:15,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764684532] [2024-10-13 00:13:15,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:13:15,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 00:13:15,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:13:15,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 00:13:15,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-13 00:13:15,259 INFO L87 Difference]: Start difference. First operand 233 states and 351 transitions. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:13:15,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:13:15,832 INFO L93 Difference]: Finished difference Result 610 states and 916 transitions. [2024-10-13 00:13:15,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 00:13:15,834 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 170 [2024-10-13 00:13:15,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:13:15,836 INFO L225 Difference]: With dead ends: 610 [2024-10-13 00:13:15,836 INFO L226 Difference]: Without dead ends: 378 [2024-10-13 00:13:15,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-10-13 00:13:15,838 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 354 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 00:13:15,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 482 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 00:13:15,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-10-13 00:13:15,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 215. [2024-10-13 00:13:15,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 181 states have (on average 1.441988950276243) internal successors, (261), 182 states have internal predecessors, (261), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 00:13:15,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 323 transitions. [2024-10-13 00:13:15,848 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 323 transitions. Word has length 170 [2024-10-13 00:13:15,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:13:15,849 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 323 transitions. [2024-10-13 00:13:15,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:13:15,849 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 323 transitions. [2024-10-13 00:13:15,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-13 00:13:15,850 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:13:15,850 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:13:15,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-13 00:13:15,851 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:13:15,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:13:15,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1156155612, now seen corresponding path program 1 times [2024-10-13 00:13:15,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:13:15,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110389350] [2024-10-13 00:13:15,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:13:15,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:13:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:20,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:13:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:21,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:13:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:21,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:13:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:21,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:13:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:21,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:13:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:21,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:13:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:21,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:13:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:21,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:13:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:21,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:13:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:21,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:13:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:21,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:13:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:21,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:13:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:21,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:13:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:21,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:13:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:21,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:13:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:21,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:13:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:21,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:13:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:21,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:13:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:21,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:13:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:21,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:13:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:21,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:13:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:21,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:13:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:21,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:13:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:21,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:13:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:21,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:13:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:21,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:13:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:21,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:13:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:13:21,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:13:21,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:13:21,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110389350] [2024-10-13 00:13:21,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110389350] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:13:21,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:13:21,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 00:13:21,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578411036] [2024-10-13 00:13:21,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:13:21,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 00:13:21,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:13:21,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 00:13:21,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-13 00:13:21,030 INFO L87 Difference]: Start difference. First operand 215 states and 323 transitions. Second operand has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:13:22,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:13:22,081 INFO L93 Difference]: Finished difference Result 428 states and 632 transitions. [2024-10-13 00:13:22,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 00:13:22,082 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 171 [2024-10-13 00:13:22,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:13:22,085 INFO L225 Difference]: With dead ends: 428 [2024-10-13 00:13:22,085 INFO L226 Difference]: Without dead ends: 426 [2024-10-13 00:13:22,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-10-13 00:13:22,088 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 130 mSDsluCounter, 938 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 1097 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 00:13:22,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 1097 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 00:13:22,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-10-13 00:13:22,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 364. [2024-10-13 00:13:22,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 309 states have (on average 1.4368932038834952) internal successors, (444), 312 states have internal predecessors, (444), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 47 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-13 00:13:22,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 544 transitions. [2024-10-13 00:13:22,117 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 544 transitions. Word has length 171 [2024-10-13 00:13:22,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:13:22,117 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 544 transitions. [2024-10-13 00:13:22,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:13:22,118 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 544 transitions. [2024-10-13 00:13:22,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-13 00:13:22,119 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:13:22,119 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:13:22,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-13 00:13:22,120 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:13:22,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:13:22,120 INFO L85 PathProgramCache]: Analyzing trace with hash -476097242, now seen corresponding path program 1 times [2024-10-13 00:13:22,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:13:22,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056455923] [2024-10-13 00:13:22,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:13:22,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:13:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat