./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../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-?-c7c6ca5-m [2024-11-08 19:45:15,296 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:45:15,356 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 19:45:15,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:45:15,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:45:15,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:45:15,383 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:45:15,383 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:45:15,384 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:45:15,385 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:45:15,385 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:45:15,385 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:45:15,386 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:45:15,387 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:45:15,387 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:45:15,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:45:15,388 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:45:15,389 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:45:15,391 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:45:15,391 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:45:15,392 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:45:15,392 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:45:15,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:45:15,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:45:15,393 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:45:15,393 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:45:15,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:45:15,394 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:45:15,395 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:45:15,395 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:45:15,395 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:45:15,395 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:45:15,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:45:15,396 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:45:15,396 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:45:15,396 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:45:15,397 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:45:15,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:45:15,397 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:45:15,397 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:45:15,397 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:45:15,397 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:45:15,397 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f39f68f55c90deb8496cdc58f18787083a238252dfdfe92f73d39acb627ae3ba [2024-11-08 19:45:15,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:45:15,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:45:15,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:45:15,586 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:45:15,586 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:45:15,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i [2024-11-08 19:45:16,790 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:45:16,951 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:45:16,952 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i [2024-11-08 19:45:16,959 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/758180f52/5c4e3ab32f22450aacfb6732097a4515/FLAGe5b9df659 [2024-11-08 19:45:16,969 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/758180f52/5c4e3ab32f22450aacfb6732097a4515 [2024-11-08 19:45:16,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:45:16,972 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:45:16,973 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:45:16,973 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:45:16,976 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:45:16,977 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:45:16" (1/1) ... [2024-11-08 19:45:16,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b9158e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:16, skipping insertion in model container [2024-11-08 19:45:16,979 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:45:16" (1/1) ... [2024-11-08 19:45:17,003 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:45:17,140 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i[917,930] [2024-11-08 19:45:17,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:45:17,192 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:45:17,201 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-34.i[917,930] [2024-11-08 19:45:17,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:45:17,242 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:45:17,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:17 WrapperNode [2024-11-08 19:45:17,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:45:17,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:45:17,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:45:17,244 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:45:17,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:17" (1/1) ... [2024-11-08 19:45:17,256 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:17" (1/1) ... [2024-11-08 19:45:17,285 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 202 [2024-11-08 19:45:17,285 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:45:17,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:45:17,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:45:17,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:45:17,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:17" (1/1) ... [2024-11-08 19:45:17,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:17" (1/1) ... [2024-11-08 19:45:17,297 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:17" (1/1) ... [2024-11-08 19:45:17,310 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 19:45:17,311 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:17" (1/1) ... [2024-11-08 19:45:17,311 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:17" (1/1) ... [2024-11-08 19:45:17,321 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:17" (1/1) ... [2024-11-08 19:45:17,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:17" (1/1) ... [2024-11-08 19:45:17,326 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:17" (1/1) ... [2024-11-08 19:45:17,327 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:17" (1/1) ... [2024-11-08 19:45:17,333 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:45:17,333 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:45:17,333 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:45:17,333 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:45:17,337 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:17" (1/1) ... [2024-11-08 19:45:17,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:45:17,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 19:45:17,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:45:17,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:45:17,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:45:17,398 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:45:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:45:17,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:45:17,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:45:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:45:17,467 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:45:17,470 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:45:17,849 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-08 19:45:17,849 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:45:17,861 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:45:17,862 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:45:17,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:45:17 BoogieIcfgContainer [2024-11-08 19:45:17,862 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:45:17,864 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:45:17,864 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:45:17,866 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:45:17,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:45:16" (1/3) ... [2024-11-08 19:45:17,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad901c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:45:17, skipping insertion in model container [2024-11-08 19:45:17,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:45:17" (2/3) ... [2024-11-08 19:45:17,867 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad901c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:45:17, skipping insertion in model container [2024-11-08 19:45:17,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:45:17" (3/3) ... [2024-11-08 19:45:17,869 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-34.i [2024-11-08 19:45:17,880 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:45:17,880 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:45:17,928 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:45:17,934 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;@5c440f63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:45:17,934 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:45:17,937 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 64 states have (on average 1.421875) internal successors, (91), 65 states have internal predecessors, (91), 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) [2024-11-08 19:45:17,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-08 19:45:17,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:45:17,953 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, 1, 1] [2024-11-08 19:45:17,953 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:45:17,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:45:17,958 INFO L85 PathProgramCache]: Analyzing trace with hash 2122244211, now seen corresponding path program 1 times [2024-11-08 19:45:17,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:45:17,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673219160] [2024-11-08 19:45:17,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:45:17,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:18,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:45:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:18,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:45:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:18,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:45:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:18,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:45:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:18,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:45:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:18,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:45:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:18,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:45:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:18,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:45:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:18,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:45:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:18,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:45:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:18,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:45:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:18,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:45:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:18,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:45:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:18,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:45:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:18,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 19:45:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:18,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:45:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:18,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 19:45:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:18,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:45:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:18,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 19:45:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:18,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:45:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:18,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 19:45:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:18,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:45:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:18,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 19:45:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:18,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:45:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:18,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 19:45:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:18,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:45:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:18,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 19:45:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:18,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 19:45:18,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:45:18,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673219160] [2024-11-08 19:45:18,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673219160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:45:18,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:45:18,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:45:18,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135162162] [2024-11-08 19:45:18,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:45:18,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:45:18,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:45:18,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:45:18,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:45:18,429 INFO L87 Difference]: Start difference. First operand has 94 states, 64 states have (on average 1.421875) internal successors, (91), 65 states have internal predecessors, (91), 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 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2024-11-08 19:45:18,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:45:18,484 INFO L93 Difference]: Finished difference Result 222 states and 375 transitions. [2024-11-08 19:45:18,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:45:18,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 173 [2024-11-08 19:45:18,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:45:18,493 INFO L225 Difference]: With dead ends: 222 [2024-11-08 19:45:18,493 INFO L226 Difference]: Without dead ends: 131 [2024-11-08 19:45:18,495 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 [2024-11-08 19:45:18,498 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 55 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:45:18,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 268 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:45:18,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-08 19:45:18,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 96. [2024-11-08 19:45:18,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 67 states have internal predecessors, (93), 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) [2024-11-08 19:45:18,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 147 transitions. [2024-11-08 19:45:18,539 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 147 transitions. Word has length 173 [2024-11-08 19:45:18,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:45:18,541 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 147 transitions. [2024-11-08 19:45:18,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2024-11-08 19:45:18,541 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 147 transitions. [2024-11-08 19:45:18,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-08 19:45:18,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:45:18,545 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, 1, 1] [2024-11-08 19:45:18,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:45:18,546 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:45:18,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:45:18,546 INFO L85 PathProgramCache]: Analyzing trace with hash 842380533, now seen corresponding path program 1 times [2024-11-08 19:45:18,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:45:18,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916032764] [2024-11-08 19:45:18,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:45:18,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:19,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:45:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:19,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:45:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:19,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:45:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:19,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:45:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:19,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:45:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:19,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:45:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:19,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:45:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:19,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:45:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:19,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:45:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:19,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:45:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:19,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:45:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:19,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:45:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:19,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:45:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:19,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:45:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:19,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 19:45:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:19,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:45:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:19,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 19:45:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:19,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:45:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:19,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 19:45:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:19,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:45:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:19,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 19:45:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:19,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:45:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:19,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 19:45:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:19,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:45:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:19,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 19:45:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:19,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:45:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:19,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 19:45:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:19,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 19:45:19,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:45:19,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916032764] [2024-11-08 19:45:19,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916032764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:45:19,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:45:19,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 19:45:19,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19683543] [2024-11-08 19:45:19,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:45:19,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:45:19,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:45:19,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:45:19,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:45:19,832 INFO L87 Difference]: Start difference. First operand 96 states and 147 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 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) [2024-11-08 19:45:20,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:45:20,113 INFO L93 Difference]: Finished difference Result 298 states and 449 transitions. [2024-11-08 19:45:20,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:45:20,114 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 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 173 [2024-11-08 19:45:20,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:45:20,118 INFO L225 Difference]: With dead ends: 298 [2024-11-08 19:45:20,120 INFO L226 Difference]: Without dead ends: 205 [2024-11-08 19:45:20,120 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 [2024-11-08 19:45:20,121 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 277 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:45:20,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 425 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:45:20,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-08 19:45:20,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 117. [2024-11-08 19:45:20,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 88 states have (on average 1.4204545454545454) internal successors, (125), 88 states have internal predecessors, (125), 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) [2024-11-08 19:45:20,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 179 transitions. [2024-11-08 19:45:20,135 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 179 transitions. Word has length 173 [2024-11-08 19:45:20,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:45:20,135 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 179 transitions. [2024-11-08 19:45:20,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 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) [2024-11-08 19:45:20,136 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 179 transitions. [2024-11-08 19:45:20,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-08 19:45:20,137 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:45:20,137 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, 1, 1] [2024-11-08 19:45:20,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 19:45:20,138 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:45:20,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:45:20,138 INFO L85 PathProgramCache]: Analyzing trace with hash -178687821, now seen corresponding path program 1 times [2024-11-08 19:45:20,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:45:20,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325992445] [2024-11-08 19:45:20,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:45:20,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:20,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:45:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:45:22,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:45:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:45:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:45:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:45:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:45:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:45:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:45:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:45:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:45:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:45:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:45:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:45:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 19:45:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:45:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 19:45:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:45:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 19:45:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:45:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 19:45:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:45:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 19:45:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:45:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 19:45:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:45:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 19:45:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 19:45:22,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:45:22,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325992445] [2024-11-08 19:45:22,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325992445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:45:22,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:45:22,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 19:45:22,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773153483] [2024-11-08 19:45:22,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:45:22,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 19:45:22,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:45:22,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 19:45:22,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-08 19:45:22,910 INFO L87 Difference]: Start difference. First operand 117 states and 179 transitions. Second operand has 13 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 13 states have internal predecessors, (41), 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) [2024-11-08 19:45:24,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:45:24,970 INFO L93 Difference]: Finished difference Result 433 states and 656 transitions. [2024-11-08 19:45:24,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 19:45:24,971 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 13 states have internal predecessors, (41), 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 173 [2024-11-08 19:45:24,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:45:24,974 INFO L225 Difference]: With dead ends: 433 [2024-11-08 19:45:24,974 INFO L226 Difference]: Without dead ends: 319 [2024-11-08 19:45:24,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2024-11-08 19:45:24,975 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 504 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 839 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 19:45:24,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 696 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 839 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 19:45:24,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-08 19:45:25,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 252. [2024-11-08 19:45:25,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 195 states have (on average 1.4256410256410257) internal successors, (278), 195 states have internal predecessors, (278), 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) [2024-11-08 19:45:25,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 386 transitions. [2024-11-08 19:45:25,009 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 386 transitions. Word has length 173 [2024-11-08 19:45:25,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:45:25,009 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 386 transitions. [2024-11-08 19:45:25,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.1538461538461537) internal successors, (41), 13 states have internal predecessors, (41), 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) [2024-11-08 19:45:25,010 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 386 transitions. [2024-11-08 19:45:25,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-08 19:45:25,011 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:45:25,012 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, 1, 1] [2024-11-08 19:45:25,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 19:45:25,012 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:45:25,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:45:25,013 INFO L85 PathProgramCache]: Analyzing trace with hash -988034447, now seen corresponding path program 1 times [2024-11-08 19:45:25,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:45:25,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153954143] [2024-11-08 19:45:25,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:45:25,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:26,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:45:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:26,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:45:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:26,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:45:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:26,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:45:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:26,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:45:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:26,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:45:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:26,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:45:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:26,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:45:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:26,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:45:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:26,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:45:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:26,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:45:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:26,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:45:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:26,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:45:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:26,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:45:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:26,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 19:45:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:26,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:45:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:26,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 19:45:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:26,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:45:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:26,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 19:45:26,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:26,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:45:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:26,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 19:45:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:26,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:45:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:26,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 19:45:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:26,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:45:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:26,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 19:45:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:26,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:45:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:26,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 19:45:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:26,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 19:45:26,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:45:26,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153954143] [2024-11-08 19:45:26,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153954143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:45:26,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:45:26,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 19:45:26,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286992043] [2024-11-08 19:45:26,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:45:26,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 19:45:26,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:45:26,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 19:45:26,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:45:26,049 INFO L87 Difference]: Start difference. First operand 252 states and 386 transitions. Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 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) [2024-11-08 19:45:26,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:45:26,878 INFO L93 Difference]: Finished difference Result 614 states and 932 transitions. [2024-11-08 19:45:26,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 19:45:26,879 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 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 173 [2024-11-08 19:45:26,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:45:26,883 INFO L225 Difference]: With dead ends: 614 [2024-11-08 19:45:26,883 INFO L226 Difference]: Without dead ends: 365 [2024-11-08 19:45:26,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:45:26,885 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 132 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 19:45:26,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 594 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 19:45:26,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-08 19:45:26,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 142. [2024-11-08 19:45:26,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 113 states have (on average 1.424778761061947) internal successors, (161), 113 states have internal predecessors, (161), 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) [2024-11-08 19:45:26,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 215 transitions. [2024-11-08 19:45:26,897 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 215 transitions. Word has length 173 [2024-11-08 19:45:26,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:45:26,897 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 215 transitions. [2024-11-08 19:45:26,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 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) [2024-11-08 19:45:26,898 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 215 transitions. [2024-11-08 19:45:26,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-08 19:45:26,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:45:26,899 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, 1, 1, 1] [2024-11-08 19:45:26,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 19:45:26,899 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:45:26,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:45:26,900 INFO L85 PathProgramCache]: Analyzing trace with hash 921830182, now seen corresponding path program 1 times [2024-11-08 19:45:26,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:45:26,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131128021] [2024-11-08 19:45:26,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:45:26,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:28,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:45:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:28,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:45:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:28,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:45:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:28,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:45:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:28,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:45:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:28,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:45:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:28,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:45:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:28,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:45:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:28,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:45:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:28,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:45:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:28,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:45:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:28,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:45:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:28,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:45:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:28,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:45:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:28,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 19:45:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:28,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:45:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:28,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 19:45:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:28,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:45:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:28,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 19:45:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:28,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:45:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:28,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 19:45:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:28,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:45:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:28,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 19:45:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:28,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:45:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:28,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 19:45:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:28,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:45:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:28,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 19:45:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:28,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 19:45:28,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:45:28,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131128021] [2024-11-08 19:45:28,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131128021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:45:28,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:45:28,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 19:45:28,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338395804] [2024-11-08 19:45:28,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:45:28,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 19:45:28,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:45:28,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 19:45:28,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:45:28,512 INFO L87 Difference]: Start difference. First operand 142 states and 215 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 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) [2024-11-08 19:45:29,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:45:29,578 INFO L93 Difference]: Finished difference Result 411 states and 613 transitions. [2024-11-08 19:45:29,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 19:45:29,579 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 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 174 [2024-11-08 19:45:29,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:45:29,581 INFO L225 Difference]: With dead ends: 411 [2024-11-08 19:45:29,581 INFO L226 Difference]: Without dead ends: 272 [2024-11-08 19:45:29,581 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:45:29,582 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 371 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:45:29,584 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 497 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 19:45:29,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-08 19:45:29,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 158. [2024-11-08 19:45:29,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 129 states have (on average 1.441860465116279) internal successors, (186), 129 states have internal predecessors, (186), 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) [2024-11-08 19:45:29,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 240 transitions. [2024-11-08 19:45:29,592 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 240 transitions. Word has length 174 [2024-11-08 19:45:29,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:45:29,593 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 240 transitions. [2024-11-08 19:45:29,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 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) [2024-11-08 19:45:29,593 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 240 transitions. [2024-11-08 19:45:29,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-08 19:45:29,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:45:29,594 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, 1, 1, 1] [2024-11-08 19:45:29,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 19:45:29,595 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:45:29,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:45:29,595 INFO L85 PathProgramCache]: Analyzing trace with hash 112483556, now seen corresponding path program 1 times [2024-11-08 19:45:29,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:45:29,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047177166] [2024-11-08 19:45:29,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:45:29,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:31,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:45:31,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:31,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:45:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:31,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:45:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:31,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:45:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:31,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:45:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:31,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:45:31,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:31,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:45:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:31,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:45:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:31,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:45:31,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:31,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:45:31,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:31,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:45:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:31,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:45:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:31,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:45:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:31,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:45:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:31,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 19:45:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:31,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:45:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:31,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 19:45:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:31,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:45:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:31,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 19:45:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:31,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:45:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:31,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 19:45:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:31,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:45:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:31,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 19:45:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:31,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:45:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:31,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 19:45:31,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:31,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:45:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:31,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 19:45:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:31,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 19:45:31,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:45:31,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047177166] [2024-11-08 19:45:31,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047177166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:45:31,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:45:31,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 19:45:31,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920828699] [2024-11-08 19:45:31,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:45:31,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 19:45:31,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:45:31,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 19:45:31,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:45:31,263 INFO L87 Difference]: Start difference. First operand 158 states and 240 transitions. Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 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) [2024-11-08 19:45:32,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:45:32,627 INFO L93 Difference]: Finished difference Result 469 states and 697 transitions. [2024-11-08 19:45:32,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 19:45:32,628 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 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 174 [2024-11-08 19:45:32,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:45:32,630 INFO L225 Difference]: With dead ends: 469 [2024-11-08 19:45:32,630 INFO L226 Difference]: Without dead ends: 314 [2024-11-08 19:45:32,630 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-11-08 19:45:32,631 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 423 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 19:45:32,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 533 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 19:45:32,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-08 19:45:32,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 144. [2024-11-08 19:45:32,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 115 states have (on average 1.4260869565217391) internal successors, (164), 115 states have internal predecessors, (164), 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) [2024-11-08 19:45:32,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 218 transitions. [2024-11-08 19:45:32,636 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 218 transitions. Word has length 174 [2024-11-08 19:45:32,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:45:32,637 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 218 transitions. [2024-11-08 19:45:32,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 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) [2024-11-08 19:45:32,637 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 218 transitions. [2024-11-08 19:45:32,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-08 19:45:32,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:45:32,638 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, 1, 1, 1] [2024-11-08 19:45:32,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 19:45:32,639 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:45:32,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:45:32,639 INFO L85 PathProgramCache]: Analyzing trace with hash -99238172, now seen corresponding path program 1 times [2024-11-08 19:45:32,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:45:32,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147534721] [2024-11-08 19:45:32,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:45:32,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:34,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:45:34,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:34,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:45:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:34,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:45:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:34,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:45:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:34,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:45:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:34,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:45:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:34,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:45:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:34,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:45:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:34,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:45:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:34,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:45:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:34,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:45:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:34,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:45:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:34,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:45:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:34,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:45:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:34,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 19:45:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:34,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:45:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:34,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 19:45:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:34,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:45:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:34,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 19:45:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:34,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:45:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:34,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 19:45:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:34,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:45:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:34,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 19:45:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:34,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:45:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:34,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 19:45:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:34,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:45:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:34,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 19:45:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:34,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 19:45:34,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:45:34,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147534721] [2024-11-08 19:45:34,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147534721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:45:34,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:45:34,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 19:45:34,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165136245] [2024-11-08 19:45:34,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:45:34,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 19:45:34,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:45:34,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 19:45:34,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:45:34,080 INFO L87 Difference]: Start difference. First operand 144 states and 218 transitions. Second operand has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 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) [2024-11-08 19:45:34,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:45:34,912 INFO L93 Difference]: Finished difference Result 400 states and 598 transitions. [2024-11-08 19:45:34,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 19:45:34,913 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 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 174 [2024-11-08 19:45:34,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:45:34,916 INFO L225 Difference]: With dead ends: 400 [2024-11-08 19:45:34,916 INFO L226 Difference]: Without dead ends: 259 [2024-11-08 19:45:34,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-08 19:45:34,917 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 263 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 19:45:34,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 494 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 19:45:34,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-08 19:45:34,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 158. [2024-11-08 19:45:34,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 129 states have (on average 1.441860465116279) internal successors, (186), 129 states have internal predecessors, (186), 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) [2024-11-08 19:45:34,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 240 transitions. [2024-11-08 19:45:34,922 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 240 transitions. Word has length 174 [2024-11-08 19:45:34,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:45:34,923 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 240 transitions. [2024-11-08 19:45:34,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 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) [2024-11-08 19:45:34,923 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 240 transitions. [2024-11-08 19:45:34,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-08 19:45:34,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:45:34,924 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, 1, 1, 1] [2024-11-08 19:45:34,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 19:45:34,925 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:45:34,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:45:34,926 INFO L85 PathProgramCache]: Analyzing trace with hash -908584798, now seen corresponding path program 1 times [2024-11-08 19:45:34,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:45:34,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532098171] [2024-11-08 19:45:34,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:45:34,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:37,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:45:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:37,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:45:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:37,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:45:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:37,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:45:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:37,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:45:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:37,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:45:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:37,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:45:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:37,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:45:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:37,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:45:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:37,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:45:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:37,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:45:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:37,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:45:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:37,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:45:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:37,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:45:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:37,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 19:45:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:37,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:45:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:37,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 19:45:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:37,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:45:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:37,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 19:45:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:37,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:45:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:37,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 19:45:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:37,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:45:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:37,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 19:45:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:37,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:45:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:37,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 19:45:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:37,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:45:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:37,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 19:45:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:37,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 19:45:37,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:45:37,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532098171] [2024-11-08 19:45:37,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532098171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:45:37,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:45:37,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 19:45:37,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905557523] [2024-11-08 19:45:37,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:45:37,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 19:45:37,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:45:37,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 19:45:37,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:45:37,654 INFO L87 Difference]: Start difference. First operand 158 states and 240 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 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) [2024-11-08 19:45:39,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:45:39,395 INFO L93 Difference]: Finished difference Result 565 states and 843 transitions. [2024-11-08 19:45:39,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 19:45:39,395 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 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 174 [2024-11-08 19:45:39,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:45:39,397 INFO L225 Difference]: With dead ends: 565 [2024-11-08 19:45:39,397 INFO L226 Difference]: Without dead ends: 410 [2024-11-08 19:45:39,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2024-11-08 19:45:39,398 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 413 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:45:39,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 727 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 19:45:39,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-11-08 19:45:39,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 156. [2024-11-08 19:45:39,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 127 states have (on average 1.4488188976377954) internal successors, (184), 127 states have internal predecessors, (184), 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) [2024-11-08 19:45:39,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 238 transitions. [2024-11-08 19:45:39,404 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 238 transitions. Word has length 174 [2024-11-08 19:45:39,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:45:39,404 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 238 transitions. [2024-11-08 19:45:39,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 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) [2024-11-08 19:45:39,404 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 238 transitions. [2024-11-08 19:45:39,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-08 19:45:39,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:45:39,406 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, 1, 1, 1] [2024-11-08 19:45:39,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 19:45:39,406 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:45:39,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:45:39,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1072314524, now seen corresponding path program 1 times [2024-11-08 19:45:39,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:45:39,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980776167] [2024-11-08 19:45:39,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:45:39,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:45:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:45:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:45:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:45:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:45:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:45:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:45:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:45:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:45:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:45:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:45:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:45:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:45:39,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:45:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 19:45:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:45:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 19:45:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:45:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 19:45:39,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:45:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 19:45:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:45:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 19:45:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:45:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 19:45:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:45:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 19:45:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 19:45:39,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:45:39,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980776167] [2024-11-08 19:45:39,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980776167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:45:39,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:45:39,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:45:39,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614724054] [2024-11-08 19:45:39,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:45:39,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:45:39,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:45:39,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:45:39,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:45:39,618 INFO L87 Difference]: Start difference. First operand 156 states and 238 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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) [2024-11-08 19:45:39,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:45:39,829 INFO L93 Difference]: Finished difference Result 360 states and 547 transitions. [2024-11-08 19:45:39,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:45:39,829 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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 174 [2024-11-08 19:45:39,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:45:39,831 INFO L225 Difference]: With dead ends: 360 [2024-11-08 19:45:39,831 INFO L226 Difference]: Without dead ends: 207 [2024-11-08 19:45:39,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:45:39,832 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 71 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:45:39,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 629 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:45:39,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-08 19:45:39,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 204. [2024-11-08 19:45:39,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 170 states have (on average 1.4529411764705882) internal successors, (247), 171 states have internal predecessors, (247), 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) [2024-11-08 19:45:39,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 309 transitions. [2024-11-08 19:45:39,844 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 309 transitions. Word has length 174 [2024-11-08 19:45:39,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:45:39,844 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 309 transitions. [2024-11-08 19:45:39,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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) [2024-11-08 19:45:39,844 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 309 transitions. [2024-11-08 19:45:39,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-08 19:45:39,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:45:39,847 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, 1, 1, 1] [2024-11-08 19:45:39,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 19:45:39,847 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:45:39,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:45:39,847 INFO L85 PathProgramCache]: Analyzing trace with hash -371249946, now seen corresponding path program 1 times [2024-11-08 19:45:39,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:45:39,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359427414] [2024-11-08 19:45:39,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:45:39,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:45:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:45:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:45:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:45:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:45:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:45:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:45:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:45:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:45:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:45:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:45:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:39,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:45:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:45:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:45:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 19:45:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:45:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 19:45:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:45:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 19:45:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:45:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 19:45:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:45:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 19:45:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:45:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 19:45:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:45:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 19:45:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 19:45:40,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:45:40,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359427414] [2024-11-08 19:45:40,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359427414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:45:40,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:45:40,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:45:40,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880809048] [2024-11-08 19:45:40,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:45:40,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:45:40,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:45:40,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:45:40,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:45:40,020 INFO L87 Difference]: Start difference. First operand 204 states and 309 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2024-11-08 19:45:40,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:45:40,152 INFO L93 Difference]: Finished difference Result 406 states and 615 transitions. [2024-11-08 19:45:40,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:45:40,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 174 [2024-11-08 19:45:40,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:45:40,155 INFO L225 Difference]: With dead ends: 406 [2024-11-08 19:45:40,155 INFO L226 Difference]: Without dead ends: 205 [2024-11-08 19:45:40,155 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 [2024-11-08 19:45:40,156 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 68 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:45:40,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 373 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:45:40,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-08 19:45:40,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 202. [2024-11-08 19:45:40,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 168 states have (on average 1.4523809523809523) internal successors, (244), 169 states have internal predecessors, (244), 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) [2024-11-08 19:45:40,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 306 transitions. [2024-11-08 19:45:40,161 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 306 transitions. Word has length 174 [2024-11-08 19:45:40,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:45:40,162 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 306 transitions. [2024-11-08 19:45:40,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2024-11-08 19:45:40,162 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 306 transitions. [2024-11-08 19:45:40,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-08 19:45:40,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:45:40,163 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, 1, 1, 1] [2024-11-08 19:45:40,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 19:45:40,163 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:45:40,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:45:40,164 INFO L85 PathProgramCache]: Analyzing trace with hash 103061529, now seen corresponding path program 1 times [2024-11-08 19:45:40,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:45:40,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279159250] [2024-11-08 19:45:40,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:45:40,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:45:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:45:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:45:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:45:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:45:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:45:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:45:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:45:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:45:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:45:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:45:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:45:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:45:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:45:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 19:45:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:45:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 19:45:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:45:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 19:45:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:45:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 19:45:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:45:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 19:45:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:45:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 19:45:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:45:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 19:45:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:40,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 19:45:40,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:45:40,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279159250] [2024-11-08 19:45:40,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279159250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:45:40,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:45:40,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 19:45:40,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732449389] [2024-11-08 19:45:40,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:45:40,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:45:40,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:45:40,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:45:40,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:45:40,591 INFO L87 Difference]: Start difference. First operand 202 states and 306 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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) [2024-11-08 19:45:40,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:45:40,809 INFO L93 Difference]: Finished difference Result 604 states and 909 transitions. [2024-11-08 19:45:40,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:45:40,810 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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 174 [2024-11-08 19:45:40,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:45:40,814 INFO L225 Difference]: With dead ends: 604 [2024-11-08 19:45:40,814 INFO L226 Difference]: Without dead ends: 405 [2024-11-08 19:45:40,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:45:40,815 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 283 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:45:40,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 518 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:45:40,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-08 19:45:40,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 230. [2024-11-08 19:45:40,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 196 states have (on average 1.4489795918367347) internal successors, (284), 197 states have internal predecessors, (284), 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) [2024-11-08 19:45:40,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 346 transitions. [2024-11-08 19:45:40,822 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 346 transitions. Word has length 174 [2024-11-08 19:45:40,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:45:40,823 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 346 transitions. [2024-11-08 19:45:40,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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) [2024-11-08 19:45:40,823 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 346 transitions. [2024-11-08 19:45:40,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-08 19:45:40,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:45:40,824 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, 1, 1, 1] [2024-11-08 19:45:40,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 19:45:40,824 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:45:40,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:45:40,825 INFO L85 PathProgramCache]: Analyzing trace with hash -918006825, now seen corresponding path program 1 times [2024-11-08 19:45:40,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:45:40,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316693471] [2024-11-08 19:45:40,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:45:40,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:41,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:45:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:41,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:45:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:41,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:45:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:41,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:45:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:41,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:45:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:41,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:45:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:41,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:45:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:41,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:45:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:41,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:45:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:41,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:45:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:41,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:45:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:41,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:45:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:41,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:45:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:41,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:45:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:41,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 19:45:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:41,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:45:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:41,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 19:45:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:41,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:45:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:41,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 19:45:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:41,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:45:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:41,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 19:45:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:41,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:45:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:41,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 19:45:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:41,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:45:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:41,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 19:45:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:41,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:45:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:41,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 19:45:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:41,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 19:45:41,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:45:41,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316693471] [2024-11-08 19:45:41,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316693471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:45:41,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:45:41,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 19:45:41,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890559672] [2024-11-08 19:45:41,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:45:41,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:45:41,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:45:41,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:45:41,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:45:41,278 INFO L87 Difference]: Start difference. First operand 230 states and 346 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 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) [2024-11-08 19:45:41,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:45:41,680 INFO L93 Difference]: Finished difference Result 602 states and 900 transitions. [2024-11-08 19:45:41,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:45:41,681 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 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 174 [2024-11-08 19:45:41,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:45:41,682 INFO L225 Difference]: With dead ends: 602 [2024-11-08 19:45:41,682 INFO L226 Difference]: Without dead ends: 375 [2024-11-08 19:45:41,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:45:41,683 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 107 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:45:41,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 766 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 19:45:41,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-08 19:45:41,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 230. [2024-11-08 19:45:41,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 196 states have (on average 1.4489795918367347) internal successors, (284), 197 states have internal predecessors, (284), 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) [2024-11-08 19:45:41,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 346 transitions. [2024-11-08 19:45:41,690 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 346 transitions. Word has length 174 [2024-11-08 19:45:41,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:45:41,690 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 346 transitions. [2024-11-08 19:45:41,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 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) [2024-11-08 19:45:41,690 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 346 transitions. [2024-11-08 19:45:41,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-08 19:45:41,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:45:41,691 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, 1, 1, 1] [2024-11-08 19:45:41,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 19:45:41,692 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:45:41,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:45:41,692 INFO L85 PathProgramCache]: Analyzing trace with hash 920709979, now seen corresponding path program 1 times [2024-11-08 19:45:41,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:45:41,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291870209] [2024-11-08 19:45:41,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:45:41,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:42,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:45:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:42,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:45:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:42,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:45:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:42,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:45:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:42,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:45:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:42,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:45:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:42,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:45:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:42,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:45:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:42,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:45:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:42,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:45:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:42,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:45:42,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:42,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:45:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:42,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:45:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:42,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:45:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:42,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 19:45:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:42,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:45:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:42,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 19:45:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:42,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:45:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:42,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 19:45:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:42,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:45:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:42,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 19:45:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:42,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:45:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:42,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 19:45:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:42,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:45:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:42,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 19:45:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:42,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:45:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:42,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 19:45:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:42,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 19:45:42,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:45:42,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291870209] [2024-11-08 19:45:42,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291870209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:45:42,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:45:42,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 19:45:42,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500295901] [2024-11-08 19:45:42,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:45:42,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 19:45:42,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:45:42,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 19:45:42,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:45:42,633 INFO L87 Difference]: Start difference. First operand 230 states and 346 transitions. Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 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) [2024-11-08 19:45:43,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:45:43,032 INFO L93 Difference]: Finished difference Result 672 states and 1002 transitions. [2024-11-08 19:45:43,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 19:45:43,033 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 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 174 [2024-11-08 19:45:43,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:45:43,034 INFO L225 Difference]: With dead ends: 672 [2024-11-08 19:45:43,034 INFO L226 Difference]: Without dead ends: 445 [2024-11-08 19:45:43,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-08 19:45:43,035 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 405 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:45:43,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 481 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 19:45:43,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-11-08 19:45:43,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 232. [2024-11-08 19:45:43,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 198 states have (on average 1.4494949494949494) internal successors, (287), 199 states have internal predecessors, (287), 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) [2024-11-08 19:45:43,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 349 transitions. [2024-11-08 19:45:43,042 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 349 transitions. Word has length 174 [2024-11-08 19:45:43,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:45:43,042 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 349 transitions. [2024-11-08 19:45:43,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 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) [2024-11-08 19:45:43,042 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 349 transitions. [2024-11-08 19:45:43,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-08 19:45:43,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:45:43,043 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, 1, 1, 1] [2024-11-08 19:45:43,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 19:45:43,044 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:45:43,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:45:43,044 INFO L85 PathProgramCache]: Analyzing trace with hash -100358375, now seen corresponding path program 1 times [2024-11-08 19:45:43,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:45:43,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807350045] [2024-11-08 19:45:43,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:45:43,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:45,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:45:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:45,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:45:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:45,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:45:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:45,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:45:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:45,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:45:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:45,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:45:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:45,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:45:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:45,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:45:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:45,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:45:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:45,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:45:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:45,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:45:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:45,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:45:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:45,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:45:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:45,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:45:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:45,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 19:45:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:45,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:45:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:45,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 19:45:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:45,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:45:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:45,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 19:45:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:45,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:45:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:45,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 19:45:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:45,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:45:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:45,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 19:45:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:45,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:45:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:45,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 19:45:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:45,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:45:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:45,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 19:45:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:45,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 19:45:45,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:45:45,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807350045] [2024-11-08 19:45:45,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807350045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:45:45,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:45:45,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-08 19:45:45,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051612278] [2024-11-08 19:45:45,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:45:45,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 19:45:45,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:45:45,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 19:45:45,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-08 19:45:45,530 INFO L87 Difference]: Start difference. First operand 232 states and 349 transitions. Second operand has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 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) [2024-11-08 19:45:49,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:45:49,880 INFO L93 Difference]: Finished difference Result 919 states and 1354 transitions. [2024-11-08 19:45:49,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-08 19:45:49,881 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 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 174 [2024-11-08 19:45:49,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:45:49,884 INFO L225 Difference]: With dead ends: 919 [2024-11-08 19:45:49,884 INFO L226 Difference]: Without dead ends: 690 [2024-11-08 19:45:49,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=180, Invalid=576, Unknown=0, NotChecked=0, Total=756 [2024-11-08 19:45:49,885 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 732 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 1487 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 732 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 1507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:45:49,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [732 Valid, 787 Invalid, 1507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1487 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-08 19:45:49,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2024-11-08 19:45:49,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 380. [2024-11-08 19:45:49,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 313 states have (on average 1.4313099041533546) internal successors, (448), 315 states have internal predecessors, (448), 62 states have call successors, (62), 4 states have call predecessors, (62), 4 states have return successors, (62), 60 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-08 19:45:49,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 572 transitions. [2024-11-08 19:45:49,899 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 572 transitions. Word has length 174 [2024-11-08 19:45:49,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:45:49,899 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 572 transitions. [2024-11-08 19:45:49,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 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) [2024-11-08 19:45:49,899 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 572 transitions. [2024-11-08 19:45:49,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-08 19:45:49,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:45:49,900 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, 1, 1, 1] [2024-11-08 19:45:49,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 19:45:49,901 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:45:49,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:45:49,901 INFO L85 PathProgramCache]: Analyzing trace with hash -909705001, now seen corresponding path program 1 times [2024-11-08 19:45:49,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:45:49,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444818901] [2024-11-08 19:45:49,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:45:49,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:45:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:45:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:45:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:45:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:45:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:45:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:45:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:45:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:45:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:45:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:45:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:45:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:45:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:45:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 19:45:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:45:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 19:45:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:45:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 19:45:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:45:53,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 19:45:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:45:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 19:45:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:45:53,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 19:45:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:45:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 19:45:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:53,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 19:45:53,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:45:53,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444818901] [2024-11-08 19:45:53,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444818901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:45:53,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:45:53,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-08 19:45:53,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661977225] [2024-11-08 19:45:53,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:45:53,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 19:45:53,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:45:53,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 19:45:53,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2024-11-08 19:45:53,177 INFO L87 Difference]: Start difference. First operand 380 states and 572 transitions. Second operand has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-08 19:45:57,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:45:57,034 INFO L93 Difference]: Finished difference Result 889 states and 1331 transitions. [2024-11-08 19:45:57,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 19:45:57,035 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 174 [2024-11-08 19:45:57,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:45:57,037 INFO L225 Difference]: With dead ends: 889 [2024-11-08 19:45:57,037 INFO L226 Difference]: Without dead ends: 523 [2024-11-08 19:45:57,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=152, Invalid=448, Unknown=0, NotChecked=0, Total=600 [2024-11-08 19:45:57,038 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 451 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 1868 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 1883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-08 19:45:57,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 1013 Invalid, 1883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1868 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-08 19:45:57,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-11-08 19:45:57,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 382. [2024-11-08 19:45:57,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 315 states have (on average 1.4253968253968254) internal successors, (449), 317 states have internal predecessors, (449), 62 states have call successors, (62), 4 states have call predecessors, (62), 4 states have return successors, (62), 60 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-08 19:45:57,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 573 transitions. [2024-11-08 19:45:57,055 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 573 transitions. Word has length 174 [2024-11-08 19:45:57,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:45:57,055 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 573 transitions. [2024-11-08 19:45:57,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 14 states have internal predecessors, (42), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-08 19:45:57,055 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 573 transitions. [2024-11-08 19:45:57,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-08 19:45:57,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:45:57,056 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, 1, 1, 1, 1] [2024-11-08 19:45:57,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 19:45:57,056 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:45:57,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:45:57,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1960065966, now seen corresponding path program 1 times [2024-11-08 19:45:57,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:45:57,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584562402] [2024-11-08 19:45:57,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:45:57,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:45:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:45:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:45:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:45:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:45:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:45:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:45:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:45:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:45:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:45:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:45:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:45:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:45:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:45:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 19:45:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:45:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 19:45:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:45:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 19:45:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:45:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 19:45:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:45:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 19:45:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:45:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 19:45:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:45:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 19:45:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 19:45:57,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:45:57,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584562402] [2024-11-08 19:45:57,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584562402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:45:57,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:45:57,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:45:57,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859040054] [2024-11-08 19:45:57,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:45:57,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:45:57,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:45:57,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:45:57,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:45:57,173 INFO L87 Difference]: Start difference. First operand 382 states and 573 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-11-08 19:45:57,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:45:57,255 INFO L93 Difference]: Finished difference Result 920 states and 1385 transitions. [2024-11-08 19:45:57,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:45:57,255 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 175 [2024-11-08 19:45:57,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:45:57,257 INFO L225 Difference]: With dead ends: 920 [2024-11-08 19:45:57,257 INFO L226 Difference]: Without dead ends: 552 [2024-11-08 19:45:57,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:45:57,259 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 77 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:45:57,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 383 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:45:57,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2024-11-08 19:45:57,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 497. [2024-11-08 19:45:57,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 399 states have (on average 1.3934837092731829) internal successors, (556), 404 states have internal predecessors, (556), 90 states have call successors, (90), 7 states have call predecessors, (90), 7 states have return successors, (90), 85 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-08 19:45:57,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 736 transitions. [2024-11-08 19:45:57,282 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 736 transitions. Word has length 175 [2024-11-08 19:45:57,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:45:57,282 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 736 transitions. [2024-11-08 19:45:57,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-11-08 19:45:57,283 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 736 transitions. [2024-11-08 19:45:57,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-08 19:45:57,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:45:57,284 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, 1, 1, 1, 1] [2024-11-08 19:45:57,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 19:45:57,285 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:45:57,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:45:57,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1251315180, now seen corresponding path program 1 times [2024-11-08 19:45:57,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:45:57,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496126484] [2024-11-08 19:45:57,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:45:57,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:45:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:45:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:45:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:45:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:45:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:45:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:45:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:45:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:45:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:45:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:45:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:45:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:45:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:45:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 19:45:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:45:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 19:45:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:45:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 19:45:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:45:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 19:45:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:45:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 19:45:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:45:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 19:45:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:45:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 19:45:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:57,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 19:45:57,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:45:57,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496126484] [2024-11-08 19:45:57,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496126484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:45:57,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:45:57,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:45:57,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643696549] [2024-11-08 19:45:57,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:45:57,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:45:57,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:45:57,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:45:57,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:45:57,377 INFO L87 Difference]: Start difference. First operand 497 states and 736 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-11-08 19:45:57,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:45:57,470 INFO L93 Difference]: Finished difference Result 820 states and 1211 transitions. [2024-11-08 19:45:57,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:45:57,471 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 175 [2024-11-08 19:45:57,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:45:57,473 INFO L225 Difference]: With dead ends: 820 [2024-11-08 19:45:57,473 INFO L226 Difference]: Without dead ends: 502 [2024-11-08 19:45:57,474 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 [2024-11-08 19:45:57,475 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 66 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:45:57,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 398 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:45:57,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2024-11-08 19:45:57,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 495. [2024-11-08 19:45:57,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 397 states have (on average 1.3904282115869018) internal successors, (552), 402 states have internal predecessors, (552), 90 states have call successors, (90), 7 states have call predecessors, (90), 7 states have return successors, (90), 85 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-08 19:45:57,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 732 transitions. [2024-11-08 19:45:57,492 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 732 transitions. Word has length 175 [2024-11-08 19:45:57,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:45:57,492 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 732 transitions. [2024-11-08 19:45:57,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-11-08 19:45:57,493 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 732 transitions. [2024-11-08 19:45:57,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-08 19:45:57,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:45:57,494 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, 1, 1, 1, 1] [2024-11-08 19:45:57,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 19:45:57,494 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:45:57,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:45:57,494 INFO L85 PathProgramCache]: Analyzing trace with hash -686128964, now seen corresponding path program 1 times [2024-11-08 19:45:57,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:45:57,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905830708] [2024-11-08 19:45:57,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:45:57,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:45:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:59,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:45:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:59,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:45:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:59,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:45:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:59,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:45:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:59,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:45:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:59,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:45:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:59,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:45:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:59,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:45:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:59,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:45:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:59,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:45:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:59,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:45:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:59,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:45:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:59,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:45:59,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:59,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:45:59,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:59,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 19:45:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:59,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:45:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:59,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 19:45:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:59,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:45:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:59,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 19:45:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:59,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:45:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:59,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 19:45:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:59,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:45:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:59,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 19:45:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:59,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:45:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:59,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 19:45:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:59,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:45:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:59,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 19:45:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:59,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 19:45:59,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:45:59,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905830708] [2024-11-08 19:45:59,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905830708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:45:59,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:45:59,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 19:45:59,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074169658] [2024-11-08 19:45:59,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:45:59,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 19:45:59,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:45:59,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 19:45:59,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-08 19:45:59,747 INFO L87 Difference]: Start difference. First operand 495 states and 732 transitions. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 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) [2024-11-08 19:46:02,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:46:02,557 INFO L93 Difference]: Finished difference Result 1269 states and 1837 transitions. [2024-11-08 19:46:02,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 19:46:02,558 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 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 175 [2024-11-08 19:46:02,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:46:02,562 INFO L225 Difference]: With dead ends: 1269 [2024-11-08 19:46:02,562 INFO L226 Difference]: Without dead ends: 953 [2024-11-08 19:46:02,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=132, Invalid=288, Unknown=0, NotChecked=0, Total=420 [2024-11-08 19:46:02,564 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 602 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 857 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-08 19:46:02,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 922 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 857 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-08 19:46:02,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2024-11-08 19:46:02,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 504. [2024-11-08 19:46:02,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 406 states have (on average 1.3891625615763548) internal successors, (564), 411 states have internal predecessors, (564), 90 states have call successors, (90), 7 states have call predecessors, (90), 7 states have return successors, (90), 85 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-08 19:46:02,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 744 transitions. [2024-11-08 19:46:02,585 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 744 transitions. Word has length 175 [2024-11-08 19:46:02,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:46:02,585 INFO L471 AbstractCegarLoop]: Abstraction has 504 states and 744 transitions. [2024-11-08 19:46:02,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 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) [2024-11-08 19:46:02,586 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 744 transitions. [2024-11-08 19:46:02,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-08 19:46:02,587 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:46:02,587 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, 1, 1, 1, 1] [2024-11-08 19:46:02,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 19:46:02,587 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:46:02,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:46:02,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1495475590, now seen corresponding path program 1 times [2024-11-08 19:46:02,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:46:02,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149886229] [2024-11-08 19:46:02,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:46:02,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:46:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:46:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:46:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:46:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:46:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:46:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:46:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:46:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:46:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:46:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:46:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:46:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:46:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:46:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:46:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 19:46:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:46:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 19:46:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:46:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 19:46:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:46:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 19:46:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:46:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 19:46:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:46:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 19:46:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:46:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 19:46:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:03,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 19:46:03,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:46:03,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149886229] [2024-11-08 19:46:03,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149886229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:46:03,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:46:03,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 19:46:03,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489919081] [2024-11-08 19:46:03,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:46:03,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 19:46:03,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:46:03,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 19:46:03,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:46:03,995 INFO L87 Difference]: Start difference. First operand 504 states and 744 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 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) [2024-11-08 19:46:04,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:46:04,906 INFO L93 Difference]: Finished difference Result 1184 states and 1728 transitions. [2024-11-08 19:46:04,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 19:46:04,907 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 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 175 [2024-11-08 19:46:04,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:46:04,910 INFO L225 Difference]: With dead ends: 1184 [2024-11-08 19:46:04,910 INFO L226 Difference]: Without dead ends: 859 [2024-11-08 19:46:04,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:46:04,911 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 286 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 19:46:04,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 809 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 19:46:04,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2024-11-08 19:46:04,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 476. [2024-11-08 19:46:04,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 378 states have (on average 1.3783068783068784) internal successors, (521), 383 states have internal predecessors, (521), 90 states have call successors, (90), 7 states have call predecessors, (90), 7 states have return successors, (90), 85 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-08 19:46:04,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 701 transitions. [2024-11-08 19:46:04,930 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 701 transitions. Word has length 175 [2024-11-08 19:46:04,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:46:04,930 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 701 transitions. [2024-11-08 19:46:04,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 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) [2024-11-08 19:46:04,930 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 701 transitions. [2024-11-08 19:46:04,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-08 19:46:04,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:46:04,931 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, 1, 1, 1, 1] [2024-11-08 19:46:04,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 19:46:04,931 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:46:04,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:46:04,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1707197318, now seen corresponding path program 1 times [2024-11-08 19:46:04,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:46:04,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332178233] [2024-11-08 19:46:04,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:46:04,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:46:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:07,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:46:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:07,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:46:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:07,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:46:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:07,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:46:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:07,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:46:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:07,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:46:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:07,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:46:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:07,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:46:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:07,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:46:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:07,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:46:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:07,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:46:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:07,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:46:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:07,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:46:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:07,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:46:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:07,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 19:46:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:07,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:46:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:07,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 19:46:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:07,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:46:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:07,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 19:46:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:07,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:46:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:07,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 19:46:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:07,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:46:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:07,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 19:46:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:07,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:46:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:07,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 19:46:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:07,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:46:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:07,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 19:46:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:07,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 19:46:07,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:46:07,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332178233] [2024-11-08 19:46:07,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332178233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:46:07,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:46:07,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 19:46:07,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261795660] [2024-11-08 19:46:07,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:46:07,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 19:46:07,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:46:07,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 19:46:07,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-08 19:46:07,173 INFO L87 Difference]: Start difference. First operand 476 states and 701 transitions. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 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) [2024-11-08 19:46:08,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:46:08,826 INFO L93 Difference]: Finished difference Result 1093 states and 1592 transitions. [2024-11-08 19:46:08,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 19:46:08,826 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 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 175 [2024-11-08 19:46:08,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:46:08,829 INFO L225 Difference]: With dead ends: 1093 [2024-11-08 19:46:08,829 INFO L226 Difference]: Without dead ends: 796 [2024-11-08 19:46:08,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2024-11-08 19:46:08,830 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 366 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:46:08,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 858 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 19:46:08,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2024-11-08 19:46:08,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 492. [2024-11-08 19:46:08,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 394 states have (on average 1.380710659898477) internal successors, (544), 399 states have internal predecessors, (544), 90 states have call successors, (90), 7 states have call predecessors, (90), 7 states have return successors, (90), 85 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-08 19:46:08,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 724 transitions. [2024-11-08 19:46:08,861 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 724 transitions. Word has length 175 [2024-11-08 19:46:08,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:46:08,862 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 724 transitions. [2024-11-08 19:46:08,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 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) [2024-11-08 19:46:08,863 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 724 transitions. [2024-11-08 19:46:08,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-08 19:46:08,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:46:08,864 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, 1, 1, 1, 1] [2024-11-08 19:46:08,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 19:46:08,864 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:46:08,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:46:08,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1778423352, now seen corresponding path program 1 times [2024-11-08 19:46:08,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:46:08,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873556372] [2024-11-08 19:46:08,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:46:08,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:46:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:11,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:46:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:11,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:46:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:11,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:46:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:11,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:46:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:11,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:46:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:11,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:46:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:11,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:46:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:11,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:46:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:11,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:46:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:11,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:46:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:11,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:46:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:11,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:46:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:11,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:46:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:11,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:46:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:11,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 19:46:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:11,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:46:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:11,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 19:46:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:11,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:46:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:11,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 19:46:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:11,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:46:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:11,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 19:46:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:11,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:46:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:11,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 19:46:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:11,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:46:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:11,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 19:46:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:11,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:46:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:11,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 19:46:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:11,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 19:46:11,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:46:11,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873556372] [2024-11-08 19:46:11,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873556372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:46:11,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:46:11,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 19:46:11,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970747197] [2024-11-08 19:46:11,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:46:11,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 19:46:11,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:46:11,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 19:46:11,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:46:11,649 INFO L87 Difference]: Start difference. First operand 492 states and 724 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 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) [2024-11-08 19:46:12,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:46:12,890 INFO L93 Difference]: Finished difference Result 1066 states and 1558 transitions. [2024-11-08 19:46:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 19:46:12,891 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 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 175 [2024-11-08 19:46:12,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:46:12,893 INFO L225 Difference]: With dead ends: 1066 [2024-11-08 19:46:12,895 INFO L226 Difference]: Without dead ends: 753 [2024-11-08 19:46:12,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2024-11-08 19:46:12,896 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 264 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:46:12,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 768 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 19:46:12,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2024-11-08 19:46:12,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 476. [2024-11-08 19:46:12,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 378 states have (on average 1.3783068783068784) internal successors, (521), 383 states have internal predecessors, (521), 90 states have call successors, (90), 7 states have call predecessors, (90), 7 states have return successors, (90), 85 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-08 19:46:12,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 701 transitions. [2024-11-08 19:46:12,919 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 701 transitions. Word has length 175 [2024-11-08 19:46:12,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:46:12,919 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 701 transitions. [2024-11-08 19:46:12,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 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) [2024-11-08 19:46:12,920 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 701 transitions. [2024-11-08 19:46:12,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-08 19:46:12,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:46:12,921 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, 1, 1, 1, 1, 1] [2024-11-08 19:46:12,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-08 19:46:12,921 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:46:12,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:46:12,921 INFO L85 PathProgramCache]: Analyzing trace with hash 848897420, now seen corresponding path program 1 times [2024-11-08 19:46:12,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:46:12,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313500183] [2024-11-08 19:46:12,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:46:12,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:46:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:18,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:46:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:18,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:46:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:18,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:46:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:18,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:46:18,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:18,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:46:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:18,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:46:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:18,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:46:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:18,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:46:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:18,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:46:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:18,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:46:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:18,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:46:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:18,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:46:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:18,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:46:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:18,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:46:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:18,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 19:46:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:18,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:46:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:18,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 19:46:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:18,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:46:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:18,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 19:46:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:18,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:46:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:18,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 19:46:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:18,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:46:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:18,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 19:46:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:18,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:46:18,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:18,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 19:46:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:18,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:46:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:18,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 19:46:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:18,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 19:46:18,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:46:18,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313500183] [2024-11-08 19:46:18,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313500183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:46:18,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:46:18,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 19:46:18,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509121708] [2024-11-08 19:46:18,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:46:18,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 19:46:18,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:46:18,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 19:46:18,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-08 19:46:18,801 INFO L87 Difference]: Start difference. First operand 476 states and 701 transitions. Second operand has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 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) [2024-11-08 19:46:20,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:46:20,194 INFO L93 Difference]: Finished difference Result 681 states and 993 transitions. [2024-11-08 19:46:20,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 19:46:20,196 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 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 176 [2024-11-08 19:46:20,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:46:20,199 INFO L225 Difference]: With dead ends: 681 [2024-11-08 19:46:20,200 INFO L226 Difference]: Without dead ends: 679 [2024-11-08 19:46:20,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2024-11-08 19:46:20,200 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 247 mSDsluCounter, 891 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 1055 SdHoareTripleChecker+Invalid, 861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:46:20,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 1055 Invalid, 861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 19:46:20,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2024-11-08 19:46:20,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 601. [2024-11-08 19:46:20,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 474 states have (on average 1.3670886075949367) internal successors, (648), 481 states have internal predecessors, (648), 117 states have call successors, (117), 9 states have call predecessors, (117), 9 states have return successors, (117), 110 states have call predecessors, (117), 117 states have call successors, (117) [2024-11-08 19:46:20,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 882 transitions. [2024-11-08 19:46:20,252 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 882 transitions. Word has length 176 [2024-11-08 19:46:20,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:46:20,252 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 882 transitions. [2024-11-08 19:46:20,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 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) [2024-11-08 19:46:20,252 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 882 transitions. [2024-11-08 19:46:20,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-08 19:46:20,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:46:20,254 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, 1, 1, 1, 1, 1] [2024-11-08 19:46:20,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-08 19:46:20,254 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:46:20,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:46:20,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1549961998, now seen corresponding path program 1 times [2024-11-08 19:46:20,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:46:20,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406702411] [2024-11-08 19:46:20,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:46:20,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:46:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:46:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:46:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:46:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:46:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:46:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:46:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:46:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:46:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:46:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:46:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:46:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:46:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:46:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:46:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 19:46:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:46:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 19:46:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:46:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 19:46:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:46:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 19:46:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:46:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 19:46:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:46:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 19:46:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:46:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 19:46:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:25,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 19:46:25,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:46:25,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406702411] [2024-11-08 19:46:25,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406702411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:46:25,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:46:25,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 19:46:25,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29692748] [2024-11-08 19:46:25,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:46:25,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 19:46:25,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:46:25,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 19:46:25,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-08 19:46:25,629 INFO L87 Difference]: Start difference. First operand 601 states and 882 transitions. Second operand has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 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) [2024-11-08 19:46:26,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:46:26,965 INFO L93 Difference]: Finished difference Result 698 states and 1008 transitions. [2024-11-08 19:46:26,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 19:46:26,966 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 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 176 [2024-11-08 19:46:26,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:46:26,969 INFO L225 Difference]: With dead ends: 698 [2024-11-08 19:46:26,969 INFO L226 Difference]: Without dead ends: 696 [2024-11-08 19:46:26,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=102, Invalid=360, Unknown=0, NotChecked=0, Total=462 [2024-11-08 19:46:26,970 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 250 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 876 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 1005 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 19:46:26,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 1005 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 876 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 19:46:26,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2024-11-08 19:46:27,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 688. [2024-11-08 19:46:27,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 529 states have (on average 1.3383742911153118) internal successors, (708), 538 states have internal predecessors, (708), 144 states have call successors, (144), 14 states have call predecessors, (144), 14 states have return successors, (144), 135 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-08 19:46:27,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 996 transitions. [2024-11-08 19:46:27,029 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 996 transitions. Word has length 176 [2024-11-08 19:46:27,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:46:27,030 INFO L471 AbstractCegarLoop]: Abstraction has 688 states and 996 transitions. [2024-11-08 19:46:27,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 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) [2024-11-08 19:46:27,030 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 996 transitions. [2024-11-08 19:46:27,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-08 19:46:27,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:46:27,031 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, 1, 1, 1, 1, 1] [2024-11-08 19:46:27,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-08 19:46:27,031 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:46:27,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:46:27,032 INFO L85 PathProgramCache]: Analyzing trace with hash -162219830, now seen corresponding path program 1 times [2024-11-08 19:46:27,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:46:27,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554115132] [2024-11-08 19:46:27,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:46:27,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:46:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:46:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:46:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:46:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:46:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:46:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:46:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:46:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:46:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:46:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:46:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:46:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:46:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:46:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:46:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 19:46:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:46:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 19:46:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:46:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 19:46:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:46:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 19:46:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:46:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 19:46:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:46:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 19:46:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:46:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 19:46:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:31,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 19:46:31,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:46:31,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554115132] [2024-11-08 19:46:31,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554115132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:46:31,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:46:31,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-08 19:46:31,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464309301] [2024-11-08 19:46:31,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:46:31,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 19:46:31,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:46:31,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 19:46:31,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-11-08 19:46:31,486 INFO L87 Difference]: Start difference. First operand 688 states and 996 transitions. Second operand has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 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) [2024-11-08 19:46:33,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:46:33,069 INFO L93 Difference]: Finished difference Result 976 states and 1406 transitions. [2024-11-08 19:46:33,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 19:46:33,070 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 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 176 [2024-11-08 19:46:33,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:46:33,074 INFO L225 Difference]: With dead ends: 976 [2024-11-08 19:46:33,074 INFO L226 Difference]: Without dead ends: 974 [2024-11-08 19:46:33,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2024-11-08 19:46:33,075 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 236 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 1026 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 1324 SdHoareTripleChecker+Invalid, 1146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 1026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:46:33,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 1324 Invalid, 1146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 1026 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 19:46:33,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2024-11-08 19:46:33,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 722. [2024-11-08 19:46:33,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 563 states have (on average 1.355239786856128) internal successors, (763), 572 states have internal predecessors, (763), 144 states have call successors, (144), 14 states have call predecessors, (144), 14 states have return successors, (144), 135 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-08 19:46:33,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 1051 transitions. [2024-11-08 19:46:33,142 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 1051 transitions. Word has length 176 [2024-11-08 19:46:33,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:46:33,142 INFO L471 AbstractCegarLoop]: Abstraction has 722 states and 1051 transitions. [2024-11-08 19:46:33,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 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) [2024-11-08 19:46:33,142 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 1051 transitions. [2024-11-08 19:46:33,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-08 19:46:33,143 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:46:33,143 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, 1, 1, 1, 1, 1] [2024-11-08 19:46:33,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-08 19:46:33,143 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:46:33,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:46:33,144 INFO L85 PathProgramCache]: Analyzing trace with hash 538844748, now seen corresponding path program 1 times [2024-11-08 19:46:33,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:46:33,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610328664] [2024-11-08 19:46:33,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:46:33,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:46:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:38,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:46:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:38,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:46:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:38,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:46:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:38,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:46:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:38,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:46:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:38,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:46:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:38,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:46:38,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:38,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:46:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:38,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:46:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:38,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:46:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:38,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:46:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:38,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:46:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:38,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:46:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:38,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:46:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:38,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 19:46:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:38,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:46:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:38,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 19:46:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:38,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:46:38,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:38,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 19:46:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:38,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:46:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:38,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 19:46:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:38,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:46:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:38,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 19:46:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:38,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:46:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:38,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 19:46:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:38,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:46:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:38,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 19:46:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:38,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 19:46:38,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:46:38,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610328664] [2024-11-08 19:46:38,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610328664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:46:38,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:46:38,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-08 19:46:38,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062775125] [2024-11-08 19:46:38,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:46:38,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 19:46:38,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:46:38,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 19:46:38,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-08 19:46:38,621 INFO L87 Difference]: Start difference. First operand 722 states and 1051 transitions. Second operand has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 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) [2024-11-08 19:46:40,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:46:40,212 INFO L93 Difference]: Finished difference Result 895 states and 1275 transitions. [2024-11-08 19:46:40,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 19:46:40,213 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 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 176 [2024-11-08 19:46:40,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:46:40,216 INFO L225 Difference]: With dead ends: 895 [2024-11-08 19:46:40,216 INFO L226 Difference]: Without dead ends: 893 [2024-11-08 19:46:40,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-11-08 19:46:40,217 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 222 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 1049 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 19:46:40,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 1049 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 904 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 19:46:40,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2024-11-08 19:46:40,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 793. [2024-11-08 19:46:40,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 793 states, 622 states have (on average 1.3392282958199357) internal successors, (833), 633 states have internal predecessors, (833), 152 states have call successors, (152), 18 states have call predecessors, (152), 18 states have return successors, (152), 141 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-08 19:46:40,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 1137 transitions. [2024-11-08 19:46:40,301 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 1137 transitions. Word has length 176 [2024-11-08 19:46:40,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:46:40,303 INFO L471 AbstractCegarLoop]: Abstraction has 793 states and 1137 transitions. [2024-11-08 19:46:40,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 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) [2024-11-08 19:46:40,304 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1137 transitions. [2024-11-08 19:46:40,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-08 19:46:40,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:46:40,305 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, 1, 1, 1, 1, 1] [2024-11-08 19:46:40,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-08 19:46:40,305 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:46:40,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:46:40,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1399185808, now seen corresponding path program 1 times [2024-11-08 19:46:40,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:46:40,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884654060] [2024-11-08 19:46:40,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:46:40,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:46:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:41,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:46:41,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:41,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:46:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:41,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:46:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:41,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:46:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:41,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:46:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:41,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:46:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:41,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:46:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:41,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:46:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:41,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:46:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:41,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:46:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:41,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:46:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:41,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:46:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:41,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:46:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:41,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:46:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:41,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 19:46:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:41,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:46:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:41,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 19:46:41,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:41,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:46:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:41,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 19:46:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:41,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:46:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:41,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 19:46:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:41,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:46:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:41,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 19:46:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:41,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:46:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:41,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 19:46:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:41,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:46:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:41,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 19:46:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:41,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 19:46:41,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:46:41,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884654060] [2024-11-08 19:46:41,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884654060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:46:41,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:46:41,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 19:46:41,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137288919] [2024-11-08 19:46:41,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:46:41,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:46:41,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:46:41,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:46:41,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:46:41,154 INFO L87 Difference]: Start difference. First operand 793 states and 1137 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 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) [2024-11-08 19:46:41,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:46:41,647 INFO L93 Difference]: Finished difference Result 1515 states and 2166 transitions. [2024-11-08 19:46:41,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:46:41,648 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 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 176 [2024-11-08 19:46:41,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:46:41,652 INFO L225 Difference]: With dead ends: 1515 [2024-11-08 19:46:41,652 INFO L226 Difference]: Without dead ends: 1218 [2024-11-08 19:46:41,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:46:41,653 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 215 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:46:41,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 561 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 19:46:41,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2024-11-08 19:46:41,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 793. [2024-11-08 19:46:41,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 793 states, 622 states have (on average 1.3392282958199357) internal successors, (833), 633 states have internal predecessors, (833), 152 states have call successors, (152), 18 states have call predecessors, (152), 18 states have return successors, (152), 141 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-08 19:46:41,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 1137 transitions. [2024-11-08 19:46:41,731 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 1137 transitions. Word has length 176 [2024-11-08 19:46:41,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:46:41,732 INFO L471 AbstractCegarLoop]: Abstraction has 793 states and 1137 transitions. [2024-11-08 19:46:41,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 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) [2024-11-08 19:46:41,732 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1137 transitions. [2024-11-08 19:46:41,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-08 19:46:41,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:46:41,733 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, 1, 1, 1, 1, 1] [2024-11-08 19:46:41,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-08 19:46:41,733 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:46:41,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:46:41,734 INFO L85 PathProgramCache]: Analyzing trace with hash 901636782, now seen corresponding path program 1 times [2024-11-08 19:46:41,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:46:41,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372303504] [2024-11-08 19:46:41,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:46:41,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:46:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat